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DB2 Interview Questions
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run jcl for cobol+db2 pgm?.. //jobcard //step001 exec pgm=ikjeft01 //systin dd * DSNSYSTEM(--------) RUN PROGRAM(MYPGMNAME) PLAN(-----), LIB(-------), PARMS(------) /* WHAT WILL U GIVE INSIDE THE BRACKETS... WHAT IS PLAN,PACKAGE,BIND?..PLAN N PACAKGES ARE GENERATED BY ?...

IBM,

3342

How can you compare table column after update and before update?

Satyam,

5 6780

SQLCODE = -199, ERROR: ILLEGAL USE OF KEYWORD CHAR, TOKEN KEY was expected

8440

what is db2 restart?

1301

I have a subprogram B calling from mainprogram A.I have opened a cursor in A ,Can i fetch the same cursor in subprogram B , If yes , Please explain the reason?

HeadStrong,

1429

I have a subprogram B calling from mainprogram A.I have opened a cursor in A ,Can i fetch the same cursor in subprogram B , If yes , Please explain the reason?

HeadStrong,

1 7662

Can a Db2 table data be retrived through JCL?

4 5767

Suppose there are many duplicate records in a Db2 table. What is the query to retrive only duplicate records?

4 6426

Suppose pgm A calling Pgm B .Pgm B has some Db2 program. at the time of compilation should plan and package will be created for both A and B or only B? What is the concept?

2 5810

in column y record abc.v abc.s xyz.j abc.h i wan only abc columns how to retrieve thi records

IBM,

2 4229

In a Cobol-DB2 program, I am fetching rows from 4 tables using cursor and then based on the a field present in that table, It processes the information accordingly..for example stat-c is one digit field..if stat-c is 'D' then the a row is deleted from table and written those details in to a file. If the stat-c is 'U' then a row is updated (hardcoded what to update)in a table and written those details in to a file. If the stat-c is 'I' then a row is inserted in a table and written those details in to two files. The issue is i have to include the intermediate commits. When an abend occurs, due to commit statement db2 tables will be saved, But there will be lose of file contents. When we resubmitting the job associated with this program there will be insert ,update and delete anomolies to avoid that what measures could be taken?. The intermediate commit is nothing but issuing commit after massive inserts, updates and deletes(sum of 500actions)

2 6495

Hi All, In a Cobol-DB2 program, I am fetching rows from 4 tables using cursor and then based on the a field present in that table, It processes the information accordingly..for example stat-c is one digit field..if stat-c is 'D' then the a row is deleted from table and written those details in to a file. If the stat-c is 'U' then a row is updated (hardcoded what to update)in a table and written those details in to a file. If the stat-c is 'I' then a row is inserted in a table and written those details in to two files. The issue is i have to include the intermediate commits. When an abend occurs, due to commit statement db2 tables will be saved, But there will be lose of file contents. When we resubmitting the job associated with this program there will be insert ,update and delete anomolies to avoid that what measures could be taken?. The intermediate commit is nothing but issuing commit after massive inserts, updates and deletes(sum of 500actions)

1 3933

In my table having 100 Rec. How can I delete the 7th row?? (we don't know what is data inside the table)

IBM,

9 11211

Shall i use this query to retrieve first 4 records, Select empno, sal from emptbl where empno < 5. like this can we fetch first 100 records?

3 5015

Select empno, sal from emptbl where empno < 101.By this query can we fetch first 100 recs? where empno is primary key.It won't throw -811 error? if it wont,then what is use of cursor technique while fetching first 100 recs. Please need more clarification.

2 4397


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Un-Answered Questions { DB2 }

Mention the downsides of page level lock.

264


What is buffer pool and list some of them?

241


What is plan in cobol db2?

206


What is the picture clause of null indicator variable?

269


What is ibm db2 client?

197






What are concurrency issues?

238


What is ibm db2 database?

203


How do you pull up a query which was previously saved in qmf?

229


What do you mean by rollback?

213


How to retrieve rows from a db2 table in embedded sql?

273


Explain various types of locks in db2?

232


What types of tables are there in the db2 database?

236


What is cobol db2?

187


What is the latest version of ibm db2?

218


What is image copy in db2?

192