DB2 Interview Questions
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This was related to -811 sqlcode, In a COBOL DB2 program which accesses employee table and selects rows for employee 'A', it should perform a paragraph s001-x if employee 'A' is present. In this case it gets -811 sqlcode, but still it process the paragraph s001-x. What could be wrong in my code.

3 8779

i want to maintain uniqueness on pdf without make lf??????????

1612

When a COBOL-DB2 program in PRODUCTION is updating main tables and gone for long run, what have to do?

Broadridge,

3094

in my project..TEST is db2 8.1 version In PROD it is 7.1 if i do REORG in TEST.. can I use the same REORG jcl with out modification in PROD region (this is DB2 8.1 )? if not, what modification i need to do in my REORG control card?

1604

can any one provide me the link for the db2 v7 & db2 v8 manual for Z/os? i need to know about the syntax of REORG in both versions & need to know the difference as well

1780

What does an outer join do?

CTS,

1 6859

What happens to a cursor after a commit?

3 8374

What do you do to keep the cursor from closing after a commit?

1 6106

How do you check for a null value in a db2 column?

2 10740

Hi Everyone... Under the Logical files, when am working on multiple rec format logical file, I have joined two pf's using the multiple record format logical file concept, but when i run queried the LF only the first mentioned pf records are reflecting and I am not able to see any of the field records specified under the second pf. Kindly let me know whats the reason behind this. Below is the str of LF., R rec PFILE(LOGICAA) CUSTNO CUSTNAME BILL K CUSTNO R rec1 PFILE(LOGICAA1) CUSTNO ADD K CUSTNO .....

1867

File not opened because library is *PROD and debug is UPDPROD(*NO). ? what may be the reason? how to solve it..?

Infosys,

2351

SI Stud name Subject Marks Pass/Fail 1 Sham Maths 40 P 1 Sham Physics 50 P 1 Sham Bio 20 F 2 Ram Maths 40 P 2 Ram Physics 50 P 2 Ram Bio 60 P For the above data , write the SQL query for the student who passed in all the subjects . For eg : I want the data of only Ram coz he passed all subjects .

Cognizant,

2 6788

Hi Team, Please tell me, If i don't declare the cursor in the program and i have given open and fetch and close, then what error will get.

IBM,

6 12102

I have a main program (A) where we delete some rows in table in a cursor, and we commit it in sub program(B). What will happen - will we get an error or not?

2 5291

Q1. How will you use two different DB2 qualifiers in a single COBOL program? Suppose we have 2 tables EMP1 and EMP2 with same structure defined in two different DB2 qualifiers QUAL1.EMP1 and QUAL2.EMP2 now during first 15 days we want to use QUAL1.EMP1 and rest of the days QUAL2.EMP2  how will we do this.  We can create a single program and a single load for this program. 

RBS,

2 6285


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Un-Answered Questions { DB2 }

Explain in brief how does db2 determine what lock-size to use?

571


What is the use of with ur in db2?

591


DB2 can implement a join in three ways using a merge join, a nested join or a hybrid join. Explain the differences?

2247


Why cursor is used in db2?

548


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

691






How does db2 sample database connect?

553


What is a db2 schema?

740


Explain the function done by data manager?

835


How do I delete a table in database?

577


What is runstats db2?

559


Explain the contention situations caused by locks?

569


What are types of indexes?

572


What is dclgen (declaration generator)?

581


What are the uses of db2 optimizer?

791


Define db2 and its databases?

596