What's the purpose of this below query?

1.	What's the purpose of this below query?
Answer» SELECT HASHMAP (HASHBUCKET(HASHROW(emp_id))), COUNT(*) FROM Employee GROUP BY 1; With the above query, you can determine the number of rows in each AMP for a given database table. HASHAMP, HASHBUCKET, and HASHROW indicate the number of rows in the AMPs when used together. Conclusion Among the most popular database management systems are Teradata. Employers are seeking candidates with extensive knowledge of its architecture and ability to use it efficiently. It is important to prepare for Teradata Interview Questions if you are seeking employment related to Teradata. It is true that every interview is different depending on the POSITION. In this article, we have provided the important Teradata Interview Questions and Answers for freshers and experienced, which will HELP you excel in your interview. There are questions on architectural basics, utilities related to FASTLOAD, Multiload, BTEQ, SQL, and Stored PROCEDURES. Ready to ace your Teradata interview now?

Answer»

SELECT HASHMAP (HASHBUCKET(HASHROW(emp_id))), COUNT(*) FROM Employee GROUP BY 1;

With the above query, you can determine the number of rows in each AMP for a given database table. HASHAMP, HASHBUCKET, and HASHROW indicate the number of rows in the AMPs when used together.

Conclusion

Among the most popular database management systems are Teradata. Employers are seeking candidates with extensive knowledge of its architecture and ability to use it efficiently. It is important to prepare for Teradata Interview Questions if you are seeking employment related to Teradata.

It is true that every interview is different depending on the POSITION. In this article, we have provided the important Teradata Interview Questions and Answers for freshers and experienced, which will HELP you excel in your interview. There are questions on architectural basics, utilities related to FASTLOAD, Multiload, BTEQ, SQL, and Stored PROCEDURES.

Ready to ace your Teradata interview now?

What's the purpose of this below query?

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