What is a predicate?DB2 interview question set 2/DB2 Interview Questions and Answers for Freshers & Experienced

What is a predicate?

A predicate is an element of a search condition that expresses or implies a comparison operation.

Posted Date:- 2021-09-03 02:48:28

Mention the length of physical storage of the given data types of DB2 – DATE, TIMESTAMP, TIME

Mention the definition of COBOL in VARCHAR field.

Why SELECT is not preferred in embedded SQL programs?

When will you choose to run RUNSTATS?

How do you insert a record with a nullable column?

What does it mean if the null indicator has -1, 0, -2?

How do you retrieve the data from a nullable column?

How does DB2 store NULL physically?

Suppose I have a program that uses a dynamic SQL and it has been performing well till now. Off late, I find that performance has deteriorated. What happened?

When is the access path determined for dynamic SQL?

What is a collection?

What are the advantages of using a PACKAGE?

What else is there Ain the PLN apart from the access path?

What is a DBRM, PLAN?

What is ALTER?

What is lock escalation?

How does DB2 determine what lock-size to use?

When do you specify the isolation level? How?

What is the difference between CS and RR isolation levels?

How do you do the EXPLAIN of a dynamic SQL statement?

How do you leave the cursor open after issuing a COMMIT?

What Is Join And Different Types Of Join?

B37 Abend During Spufi?

When Can You Be Sure That A Query Will Return Only One Row?

What Is The Difference Between Join And Union?

What Is A Corelated Subquerry?

What Are The Functions Of Bind?

What's The Best Locksize That You Could Use When You Create A Tablespace?

What Does Currentdata Option In Bind Indicate?

What Is The Difference Between Type 1 Index & Type 2 Index?

What Are The Levels Of Isolation Available With Db2v4?

What Is The Sql Communications Area And What Are Some Of Its Key Fields?

Once You Create A View, Where Would Information About The View Be Stored?

What Is Meant By Repeatable Read?

What information is contained in an SYSCOPY entry?

What information is held in SYSIBM.SYSCOPY?

What is the format (internal layout) of "TIMESTAMP"?

How would you move a tablespace ( using STOGROUP ) to a different DASD volume allocated to that tablespace?

What is meant by repeatable read?

What is a predicate?

What is a host variable?

What is the function of the Data Manager?

What will the COMMIT accomplish?

What is meant by UNION and UNION ALL?


What is meant by EXPLAIN?

In case if at some point of time DB2 is down, would that impact the pre-compilation process of a DB2-COBOL program?

Explain the contents that are a part of DCLGEN.

Mention some fields that are a part of SQLCA.


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