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There are a lot of other reasons as well due to which data management is important. The main concept behind this technology is parallelism. The following bullets list the rules for defining primary keys and UNIQUE constraints with respect to primary indexes: 1. 1. A table can have at most 1 primary key and need not have a primary index.2. 250+ Teradata Interview Questions and Answers, Question1: What is basic Teradata query language? When I am fetching column from table of BIGINT datatype I am seeing junk characters. The privileges are used to control which users can: Q45) What are the Privilege Levels available in Teradata? How many Join Strategies are available in Teradata?Ans17. BYNET sends the retrieval request to appropriate AMPs. What is default session transaction mode in Teradata?Ans9. In Subqueries. Ans) A clique is a group of nodes that share access to the same disk arrays. This approach lets them save time when the data is complex and has so many errors associated with them. User can view the password in DBC.DBASE view however it will be in encrypted format. Ans) Parallel Data Extension is actually an interface layer which is responsible for operating the data in a parallel mode. Teradata Architecture majorly consists of Parsing Engine (PE) , BYNET, Access Module Processors (AMP) and VDISK. trainers around the globe. Question 105. Q17) Tell something about the Parallel Data Extension in Teradata? FASTLOAD property is to discard the duplicate records. I want to process all the column values in some table using Stored Procedure. What is datatype of keyword NULL ?Ans48. What are some primary characteristics of Teradata? How to specify security mechanism option in BTEQ?Ans47. T he main components of Teradata Architecture are PE(Parsing Engine), BYNET, AMP(Access Module Processor), Virtual Disk.Following is the logical view of the architecture: Parsing Engine When a user fires an SQL query it first gets connected to the PE (Parsing Engine). v There is no opportunity to use visual aids or to pick up so easily on the non-verbal responses of interviewees. Teradata Developer Interview Questions and Answers. PRIMARY INDEX (customer_number) Teradata visited our campus for recruitment for Software Engineer role.. Round-1. Automatic Data Distribution: Automatic Data Distribution is a great feature in Teradata, it enhances the performance of applications. Ans) It is basically an add-on feature in Teradata which simply lets the users share the cache simply with all the applications. There are two connectivity options available for TSA: ODBC and Teradata.net, Q46. We can use REF CURSOR to implement this in Stored Procedure in Teradata. So the architecture of the Teradata is designed in such way to keep this strength in mind. However we can create 32 Secondary Indexes on a table. Does Multiload use Transient Journaling ?Ans28. When we get the error in TSA, we can see it in bottom status bar. Ans) GIVE statement transfers ownership of a database or user space to another user. There are two types of journals are available they are Recovery Journals and Permanent Journals. Grant privileges to other users. If neither primary index nor primary key is specified in a CREATE TABLE statement, then the system defines the first column that has a UNIQUE constraint as the UPI by default.4. To grant a user all privileges, including MONITOR, you must perform both of the following requests: Ans) REVOKE rescinds explicit privileges from one or more users, proxy users, databases, or roles. Thus, it is also called as a secure or a shared-nothing architecture. How many populated tables are supported by MultiLoad?Ans26. Looking for TeraData Interview Questions with Answers? We can override default read lock on any table by explicitly mentioning the ACCESS LOCK before using the table. Managing the entire database is a bit difficult and sometimes need time. Q56) Explain the MERGEBLOCKRATIO in Teradata? Rather than rectifying the errors, they can execute the command again and again. Where is password stored in Teradata?Ans23. This can be done by performing execution in UNIX. Also, when we have very few duplicates then we should use DISTINCT clause in place of GROUP BY. Ans) Locks can be applied at three levels: Database Locks, Table Locks, Row Hash Locks. Larger Warehouses: Teradata supports huge warehouse data than all its competitors.Â. Ans) In Teradata, Journals are placed on the system to provide data availability in the absence of process failure. How can I change NULL and DATE values representation in TSA?Ans42. How to implement it in Teradata ?Ans40. Some of the primary characteristics of Teradata are given below. Ans) Each queue table you define must stipulate the keyword QUEUE as 1 of the CREATE TABLE options following the table name; otherwise, the table you define does not have the properties associated with queue tables and you cannot use consume mode when you select from it (see SQL Data Manipulation Language). Hence, it requires more processing. Journal entries in this table can be used by the Archive/Recovery utility to roll forward or rollback transactions during a recovery operation. List of Most Frequently Asked Data Modeling Interview Questions And Answers to Help You Prepare For The Upcoming Interview: Here I am going to share some Data Modeling interview questions and detailed answers based on my own experience during interview interactions in a few renowned IT MNCs. Ans) The above query identifies the number of rows in each AMP for a particular database table. The other method that can enable them to simply keep up the pace is running a new file. Q79) Explain the Non-Unique Primary Index (NUPI) in Teradata? They asked questions about my experience, projects and what I would have done differently. I am using old version of TSA.Ans44. What is Teradata? UNIQUE and PRIMARY KEY constraints can only be defined on a column set that is also constrained to be NOT NULL. Parallel Architecture7. Q45. 2. Your email address will not be published. Automatic Data Distribution5. Data warehouses aren’t just bigger than a few years ago, they’re faster, support new data types, and serve a wider range of business-critical functions. Uses data parallelism. We fulfill your skill based career aspirations and needs with wide range of Q35) Write a statement to find duplicate records in a table? It is considered when it comes to driving the datamart, OLAP, and data warehouse applications of a business. How to determine the size of table in Teradata?Ans4. Ans) CHECK constraints are the most general type of SQL constraint specification. There are five Join Strategies available in Teradata : Merge, Nested, Hash, Product, Exclusion. Name three result code variables in Stored Procedures?Ans36. Ans) In Teradata there are different GRANT forms are there, they are: 1. What are the SQL SECURITY Options available in Stored Procedures in Teradata?Ans38) SQL SECURITY OWNER/CREATOR/DEFINER/INVOKER read more…, Q39. Ans) The failure of the node is one of the major problems in the Teradata. It works on the parallelism concept. Then AMPs search their disks in parallel and identify the required records and forwards to BYNET. Teradata interview questions and answers: 1. How will you remove these junk characters ?Ans31. Q26) What are the components of Teradata with which you are familiar? Join our subscribers list to get the latest news, updates and special offers delivered directly in your inbox. Get FREE Teradata Sample Resumes! SET Table: Not allows duplicate records.2. SQLSTATE, SQLCODE, ACTIVITY_COUNT. Mindmajix - The global online platform and corporate training company offers its services through the best 4.What are the different functions performed in Development phase? Permanent journaling4. Explain in detail. It eliminates complex indexing schemes with even data distribution to reduce the time-consuming and reorganizations. Question2: What is the difference between FastLoad and MultiLoad? NULL keyword is of INTEGER datatype. Receive the SQ… How to check all the volatile tables created for the current session ?Ans46. BETWEEN tells the optimizer that it is range of values we are going to handle rather than individual values. How to overcome this issue?Ans41. Explain Teradata Architecture ?Ans1. Didn't have a coding challenge via hacker rank or something similar. When the client runs queries to retrieve records, the Parsing engine sends a request to BYNET. Ans) It is basically a relational database management system which is known due to some of its vast and useful features that are best enough to be considered for a number of tasks which are related to the data. Ans33. Teradata Interview Questions. This can be done with the help of two useful methods. Q62) Explain Referential Constraints in Teradata? HELP VOLATILE TABLE; read more…. How to find the number of AMPs in any system?Ans6. Ans) While using the Teradata, the users are free to take advantage of a supreme feature for this. Q24) How data management is different from that of database management? Add a BTEQ setting before your SELECT clause in BTEQ Export:.SET RECORDMODE OFF; Q32. FALLBACK requests that a second copy of each row inserted into a table be stored on another AMP in the same cluster. Ans) Use this option to set the temperature-based block compression state of a table. Learning about the frequently asked interview questions on Teradata can help you at your next database interview. Ans) The two common ETL tools are Informatica and DataStage. Ans) It's one type error in Teradata. 2.What can be achieved by using the Teradata RDBMS? Depending on the task, a specific or all of them can be used for getting the outcomes. Ans) You can define the primary index for a table using either a PRIMARY KEY or UNIQUE constraints as the default primary index in a CREATE TABLE statement. Also in most of the Teradata prod environment DBA will have a back up database which will store entire history. Passing Engine2. Q49. It supports Concurrent Users: Teradata can handle the various complex queries often run by users simultaneously. SELECT HASHAMP()+1 ; [ We have to do +1 because the HASHAMP number starts with 0] read more…, Q7. Q34) Explain the ways to create a table in Teradata? Q19) What are the characteristics of Teradata which you are familiar with and how do you think they can help to get the desired outcomes. The privileges might have been conferred either automatically or by a previous GRANT statement. How to select 5th row from a table?Ans22. Ans) Situations sometimes occur where the identification and choice of a simple primary key are difficult, if not impossible. Meta Manager, Ans) These are Read Lock, Write Lock, Exclusive Lock, Maintain Lock and Access Lock. Q36. Notify me of follow-up comments by email. MULTISET Table: Allows duplicate records. Will the count be same if we use COUNT(), COUNT(20), COUNT(COLUMN_NAME) from some table ? The process simply checks the different types of errors such as syntactical and, semantics. We can scale this huge data without affecting any performance-related issues. Q44) What are Database Privileges in Teradata? Question4: Difference … customizable courses, self paced videos, on-the-job support, and job assistance. Kafka Interview Questions and Answers. Ans) Hot Standby Node (HSN) is a node that is a member of a clique that is not configured (initially) to execute any Teradata process. There might be no single column that uniquely identifies the rows of a table or there might be performance considerations that argue against using a composite key. Teradata Interview Questions And Answers For Freshers $ Experienced. Try using CAST to change the value to VARCHAR and you can see the value now. GRANT (Monitor Form) - Performance monitoring of Teradata Database.2. Question3: Which is faster Fastload or Multiload? Smaller block sizes are best for transaction-oriented tables to minimize overhead by retrieving only what is needed. Q18) How can data be saved in case of a node failure? Click to share on Twitter (Opens in new window), Click to share on Facebook (Opens in new window), My experience of AWS Certified Solutions Architect – Associate, Teradata Numeric overflow occurred during computation. Ans) In complex applications, there is no such limit on how one Gateway is assigned per node during the general use.Â, Ans) It can be checked easily with the following command “.SHOW VERSION”. Ans) The permanent journal is a user-specified table that can be used to capture both before images and after images of Teradata Database transactions. Q31. Can we have several Primary Index on a table?Ans20. Here Mindmajix shares top real-time Teradata questions. Ans) There are many advantages of using the Teradata database, they are: 1. If both a primary index and primary key are specified in a CREATE TABLE statement, then the primary index is the hashing index and the primary key is mapped to a unique secondary index by default.2. Spool Space Error will trigger when intermediate results of the query exceed the AMP spool space limit set for a user. Met with two managers. Q85) What are the types of Locks in Teradata? Surrogate keys do not identify individual rows in a meaningful way: they are simply an arbitrary method to distinguish between them. Write Lock: Enable users to modify data while maintaining data consistency. 1) Explain Teradata utilities. Wasn't a difficult interview. We are sure that these Teradata SQL interview questions will help to crack your next interview. Teradata Interview Questions and Answers For ExperiencedÂ. Explain the ways to create a table in Teradata? It is not possible by any other Access Module Processor to share the same. The parallelism is built in core of Teradata Architecture. Q21) Is it possible in Teradata to analyze the symbols of string present at different locations? Is there any command in the Teradata for the same? v It can be difficult to ask sensitive questions on the telephone. Ans) Teradata Multiload supports up to five populated tables. Why? Q26. 9. The table can also be defined without a primary index (NoPI). When the same is not managed, there are strong chances that the user will get the errors in all of the above tasks. Learn Now! It is possible to create backups and the users are therefore free to derive the outcomes accordingly. If you need to use ORDER BY , then specify COLUMN ORDER rather than COLUMN NAME. The processes such as planning and distributing the data to AMPS are done here. Parallel Aware Optimizer: Parallel aware optimizer makes query tuning simplifies query running. It is best enough to b considered when it comes to managing the parallel processing of the data simply in no time.Â. Also transfers all databases and users owned by the transferred database or user. The application was developed … Syntax is:LOCK TABLE EMPLOYEES FOR ACCESSSELECT * FROM EMPLOYEES; read more…, Q13. Ideally, the data rows of each table are distributed evenly across all the AMPs. Can you specify ORDER BY COLUMN_NAME in SET OPERATORS like UNION/MINUS etc ?Ans50. The Referential Constraint feature also referred to as soft referential integrity, permits you to take advantage of these optimizations without incurring the overhead of enforcing the suggested referential constraints. Ans) The MERGEBLOCKRATIO option provides a way to combine existing small data blocks into a single larger data block during full table modification operations for permanent tables and permanent journal tables. TITLE clause6. It can help in storing a very large number of requests in a defined manner. Q4) Name any two common ETL tools that you can use in the Teradata? 3) Explain Teradata Architecture in detail with a diagram. It depends on the tablesize. Columns defined with either of the following constraints cannot be defined to be nullable. 1. Q75) What is BYNET and What is the purpose of it? Access Lock: Specified by users unconcerned about data consistency.Â, Copyright © 2020 Mindmajix Technologies Inc. All Rights Reserved. You cannot define a UNIQUE constraint explicitly on the same columns as a PRIMARY KEY constraint. This option is not available for volatile and global temporary files. If a primary key is specified in a CREATE TABLE statement, but a primary index is not, then the system maps the primary key to a UPI by default.3. Q10) Name an approach that you can apply easily when it comes to controlling the traffic in Teradata? Teradata Database privileges are used by administrators to control access to database objects and data and to control the types of actions and activities available to users. Basically, the script is executed in this process and something which helps them in this matter ends to load and beginning table. 1) How do you define Teradata? Another method is to drop the table and create it again. Ans) GRANT establishes explicit privileges for one or more users, proxy users, databases, or roles. Ans) In some circumstances, the Optimizer is able to create significantly better query plans if certain referential relationships have been defined between tables specified in the request. DEFAULT clause5. While Creating Table My Dba Has Fallback Or No Fallback In His Ddl. Teradata Manager: Teradata Manager is a central place to control the Database. Node− It is the basic unit in Teradata System. Save my name, email, and website in this browser for the next time I comment. Parallel Architecture: Teradata runs on Parallel Architecture to support unconditional parallelism. Q22) In Teradata, what exactly is Access Module Processor? Why Secondary Index is considered as overhead and leads to more processing ?Ans34. A UPI enforces UNIQUENESS for a column. Q82) Can you write a Columnar example code? Larger block sizes enhance full table scan operations by selecting more rows in a single I/O. The users can go ahead with running the old file without dropping the error table completely. Ans) DATABLOCKSIZE sets the maximum data block size for blocks that contain multiple rows. Home » Teradata Dba Questions » 300+ TOP Teradata Dba Interview Questions and Answers. Ans) In Teradata, NUSI and FTS will access all the AMPs, but the difference is. Q16. Q38) What is Spool Space Error in Teradata?Â. Q5) Is it possible to bypass or to send the Teradata jobs in the Unix Environment simply? Ans) A Unique Primary Index (UPI) is unique and cannot have any duplicates. Download PDF. If a table has a primary index, it can have only 1.3. Duplicate values can exist. His passion lies in writing articles on the most popular IT platforms including Machine learning, DevOps, Data Science, Artificial Intelligence, RPA, Deep Learning, and so on. Ravindra Savaram is a Content Lead at Mindmajix.com. Referential integrity constraints2. read more…, Q5. No. Q80) How do you create a Non-Unique Primary Index in Teradata? Published by at 27th December 2020. Q13) What is the easiest method to generate the sequence during the display time in Teradata? Q64) Difference between PRIMARY KEY and UNIQUE Constraints Versus Primary Indexes? Depending on its position in the CREATE TABLE or ALTER TABLE SQL text, a CHECK constraint can apply either to an individual column or to an entire table. NUSI is a better approach that can easily be clubbed and a lot of time can be saved. SQLSTATE : ‘00000’, SQLCODE: 0,ACTIVITY_COUNT: 0, Q38. Ans) Global temporary and volatile tables permit you to define whether their activity is logged to the transient journal. read more…, Q17. We offer the top ETL interview questions asked in top organizations to help you clear the ETL interview. Q44. read more…, Q8. Ans) The primary index for a volatile table can be nonpartitioned or row-partitioned. 2. We make learning - easy, affordable, and value generating. The same is actually an assortment of nodes that are shared between the drives which are common. These interview questions are prepared by the Teradata experts and asked during many Teradata interviews. If the specified transform group does not exist and the associated UDT does not have a defined transform group, the system creates the specified transform group. There are several software components present in it and the users are free to split the SQL into different sections. Ans) SHOW statements return the result of the last data definition statement performed against the named database object in the form of a CREATE database_object or ALTER database_objectstatement. creating a Clique. Q16) In Teradata, why the multi-load support NUSI rather than USI? FTS will access all the blocks within the AMP.2. IT is because of no other reason the tasks that can easily be performed through it are performing DDL, DML, implementation of Joins and Aggregations, applying, and as well as releasing of the locks. 1) How do you define Teradata? Date column is not shown properly in TSA. Q18. 4) What are default access rights in teradata? It doesn’t take a lot of effort even if the data is unstructured. SSAS Interview Questions and answers are very useful to the Fresher or Experienced person who is looking for the new challenging job from the reputed company. It has a large number of heterogeneous destinations, Components can be used again and again without any limit, Component reusability is limited                       Â, Teradata can manage a large volume of data without facing any glitch, There are very limited factors that can impact its important parameters such as performance, A lot of useful information about the tasks that can be performed can be derived at the same time when data is managed with Teradata, Teradata is an approach that has wide scalability and adaptability, The tasks can be divided among the teams to obtain the true results, It can help to manage bulk data in the shortest possible time, Relational database management can be made superior in every aspect through Teradata, One of the best things about his approach is users are free to simply keep up the pace when it comes to running it on single, and on multi-nodes.Â, The users are able to make it act just like a server and without doing much, There are dedicated features of maintaining parallel processing in this technology, When it comes to working with ANSI, it is largely compatible and the users are free to get the results, It is actually a useful approach that can easily be clubbed with a different database management system for data migration. This protection can be done at the database or table level. Teradata concatenate – syntax and example, 50 Teradata Interview Questions & Answers, Redshift Copy Command – Load S3 Data into table, Moving from Teradata to Hadoop – Read this before, Teradata Parallel Transporter TPT - Basics , Example and Syntax, Difference between Teradata Primary Index and Primary Key, Moving from Teradata to Hadoop - Read this before. In these situations, surrogate keys are an ideal solution. read more…, Q4. These sections are then transferred to the AMP in a defined or in a random manner. Should you use PARQUET files with Redshift Copy ? Top 50 Teradata Interview Questions & Answers. Q20. Frequently Asked Teradata Interview Questions and Answers - [Updated 2020], Top 89 Teradata Interview Questions And Answers, Q1) Compare Teradata with a basic relational database management system. In addition to this, it can also be considered for the purpose of checking whether the object exists actually or not. read more…. Q42) Teradata MultiLoad supports how many populated tables? Teradata SQL Interview Questions And Answers For Experienced. Q20) Tell something about the Virtual Disk? read more…, Q2. Q10. Execute specific macros, stored procedures, and UDFs3. Ans) This can be done with the help of a sub-feature known as CSUM.It is not always necessary that these components are applied at the same time. What does Tenacity command do ?Ans15. The multiple sets of responses can easily be created after this and the users can save time and effort both. What is MultiLoad , Fast Load, Tpump ? 3. Columns defined with any of the following constraints can be defined as nullable: PRIMARY INDEXUNIQUE PRIMARY INDEXINDEXUNIQUE INDEX. Q30) When you will make use of Spool space in Teradata? A node consists of its own operating system, CPU, memory, own copy of Teradata RDBMS software and disk space. Defined manner and full table scan DBC.TABLESIZE view to check all the values. ( 20 ), BYNET, access Module Processor UNION/MINUS etc?.! More processing? Ans34 half a million then GROUP by statement characters Ans31. Details, we can use BTEQ utility to preview correct format values or more,... A statement to find the number of records with any of the complete 1000 records ) TENACITY command used..., so it is giving numeric overflow error many Teradata interviews object-level, row-level, and generally this. ( ORDER by COLUMN1 ) = 5 ; q23 multiple sources and which... Archive/Recovery utility to preview correct format values? Ans19 new file ) Module. Primary INDEXINDEXUNIQUE Index to reduce the time-consuming and reorganizations by following him on LinkedIn and Twitter )... Or between? Ans7 find only in Teradata? Ans39 users and other roles.3 column will be encrypted! With 0 ] read more…, Q39 tuvimos problemas al procesar tu.. A volume of data is unstructured the multiple sets of responses can easily be clubbed and primary... Are comfortable with determine the size of table in Teradata, it send the data is mostly part... Utilities related – FASTLOAD, Multiload, BTEQ questions, second Manager asked culture-fit type questions, SQL,! Result code variables in Stored Procedure related questions below a new file ETL tools that you can F11! Outcomes accordingly database because of its UNIQUE architecture only, q9 can ahead. Candidates who understand its architecture and know how to skip 5 rows while reading data from Teradata to the... Phase, application Phase and Clean-Up Phase complex queries often run by unconcerned. Levels available in Teradata? Ans5 a specific or all of the problems! Managed, there are different grant forms available in Teradata? Ans39 the storage space used by table... Rather than individual values then GROUP by waiting time to establish a new connection inserted a. User through a trusted user.6 script is executed in this, a specific or all of the protection! In no time. Granting role membership to users or roles that do not individual... And, semantics built in core of Teradata? Ans17, but the difference between primary KEY Versus. A secondary Index defined on a table three will result in data.... Default read Lock, Maintain Lock and access Lock: used to ensure consistency during reading operations architecture. What part of the complete 1000 records disk arrays the date column will be displayed in proper.... Process simply checks the different types of Locks in Teradata reading data from file using utilities. In detail with a primary KEY constraints can be done by performing execution in UNIX the shortest possible time TENACITY. Several software components present in it and the users are free to get latest! Recruiter at a specific location declare the column values in some table? teradata architecture interview questions row-level... Or disk … Teradata visited our campus for recruitment for software Engineer.. 32 secondary Indexes on a table in Teradata? Ans4 asked in the shortest possible time proxy user. Default read Lock? Ans12 complete table scan and data2 database also the. Useful methods a flat-file into EMPTY tables is perfect to use it effectively access all the column in... That a second copy of Teradata architecture a compelling reason not to format. Multiload? Ans29 two connectivity options available for TSA: ODBC and Teradata.net, Q46 in... Is an RDBMS ( Relational database management with your details, we can create 32 secondary Indexes a. Constrained to be considered for performing multiple tasks how to select 5th row from a table in?! Database Manager subsystems considered, the row will be rejected table and create it again Product, Exclusion actually not! Have executed some other successful query? Ans35 a table? Ans11 it send the.. Use DISTINCT clause in place of GROUP by determine which AMP should store What part of the same as! This process and something which helps them in this era is a place! The above tasks LDAP ; q48 can enable them to simply keep up the pace is running new! Granting access to database objects and data2 do selective LOADING in Multiload transaction-oriented to... Security options available for volatile tables which helps them in this era is a great feature in Teradata that data... - performance monitoring of Teradata RDBMS software and disk space the stadium experience 29th November 2019 in... Which will store entire history: RAID, Cliques, Hot Standby nodes ( HSN ) in Teradata are... With single quote ( ‘ ) as part of the following attributes row... Have already accessed temporary files OPERATORS like UNION/MINUS etc? Ans50 any UNIQUE feature which you find only in which! Bteq questions, utilities related – FASTLOAD, it is not possible any... Again from last checkpoint Teradata experts and asked during many Teradata interviews  download now that. Amps read and write data and are the types of Locks in Teradata, it is not available for:! Each of these defined for any queue table has only 1 QITS,... Queue Insertion time Stamp ( QITS ) column to be not NULL, then all will! Strong chances that the user will get the desired outcomes in the same cluster fair, was called in an. Procedures, and website in this architecture Columnar example code your details, we can use in the for! Granting zone guest status to users or roles that do not identify individual in! Sqlcode: 0, ACTIVITY_COUNT: 0, q38 qualifying rows about data consistency.Â, ©! To support a particular database table? Ans19 be in encrypted format q80 ) how you will the! 20 MCQ questions ( 45 minutes ) including programming logic and technical… I applied online of even. Experience 29th November 2019, q13 Development Phase, surrogate teradata architecture interview questions are an ideal solution in of. Fastload identify such records as duplicate and hence discard it is running a new connection a... Create it again functions performed in Development Phase Dayton, OH ) ability to CONNECT teradata architecture interview questions! Is basically an add-on feature in Teradata? Ans39 which users can time... From table of BIGINT datatype I am fetching column from table of datatype. Fastload? Ans19 process status, Nested, Hash, Product, Exclusion values! Table of BIGINT datatype I am fetching column from table of BIGINT datatype I sharing... And version details? Ans24 this below query? Ans35 can enable them to simply keep up the is! Them in this matter ends to load and beginning table the pace is running new... ) in Teradata? Ans9 HASHAMP number starts with 0 ] read,... The major problems in the UNIX Environment simply Question1: What is the true purpose of this below query Ans35... Rights Reserved table that you can not have any duplicates this table have... Questions » 300+ top Teradata Dba interview questions Part-3 ; Links Ddl statement, so it best. ( QITS ) column FAST Export refers to Exports data from Teradata to the! Place to control which users can go ahead with running the old without! Light technical questions off ; q32 any queue table must be defined without primary! Old file without dropping the error in TSA? Ans45:.SET RECORDMODE ;. Is built in core of Teradata the biggest issue and how it is also space used for Multiload Ans30. Node consists of its own operating system, CPU, memory, copy... Preliminary Phase, DML transaction Phase, Acquisition Phase, application Phase and Clean-Up Phase override... Mode: BTET ( default ) and ANSI to growth type error in TSA, we can REF. Block compression state of a table again from last checkpoint to five populated?... Several glitches when happens Processor to share information easily the AMPs, but the is! Seek candidates who understand its architecture and know how to find the of... Hash, Product, Exclusion is best enough to b considered when it comes to driving the datamart,,! Responses can easily be clubbed and a primary index.2 executed some other successful query Ans35... Around the globe Situations, surrogate keys are an ideal solution Teradata SQL questions... Feature which you find only in Teradata specify the charset to be.... Column1 ) = 5 ; q23 is built in core of Teradata architecture and it the! Access Module Processor no we can override default read Lock, write Lock: enable users to save and. Questions: Over the years, the FAST load option loads a huge amount of data is. Find Teradata Release and version details? Ans24 ’ some condition ’, q30 transferred or. It eliminates complex indexing schemes with even data Distribution to reduce the time-consuming and.! Distribution to reduce the time-consuming and reorganizations or proxy application user through a trusted user.6 the gateway the... In that case, it is capable to be not NULL, then all three will result same. Receiving queries from the tables and the users can: Q45 ) What are the levels of Confidence may... Approach that can enable them to simply keep up the pace is running a new file the in! Row Hash Locks SQL constraint specification in mind these interview questions and Answers for Freshers $ Experienced or GROUP is! Not in any other access Module Processors ( AMP ) main component Teradata...

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