What is the cascade rule and how does it relate to
deletions made with a subselect?
Answer / s
Cascade deletes the foreign keys when the primary key is
delted.
When using subselect the rows deleted are based on the rows
that qualify for the subselect.
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Define buffer pool.
Define data page.
db2 maintains information about the data... a.in tables. b.in a set of tables known as db2 catalog. c.in db2 database. d.none of the above.
Before you give the explain statement, what are the prerogatives?
How to check last update on table in db2?
i tried to copy some records from microsoft excel to as-400 physical file through "Bosanova" emulation. Out of 14000 records only 12000 records copies and subsequently programe started to hang. Then, i closed the program forcefully. I did' under stand the problem. Also when i try to compile the physical file it is showing as "The file in use". How to overcome this problem?
What is the use of reorg in db2?
What error I will get if my select query gives multiple row while executing a Cobol-DB2 program.How can I solve it without using a cursor.
4 Answers Cap Gemini, Verizon,
How to get Top 10 Salaries from a Table
If we keep the DCLGEN structure for a table in a copybook and include it in the COBOL program using the COPY statement, will there be any impact during compilation or at any stage of program execution?
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?
What is package in cobol db2?