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karthi_ind

Active User


Joined: 24 Feb 2004
Posts: 131
Location: Chennai

PostPosted: Sat Jul 31, 2004 3:09 pm    Post subject: questions
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hi

can anyone answer my questions

1) What is index? Diff. types of index (explain)
Whatz the use of index?

2) how can we create stored procedures, trigger in db2
(with examples)

3) what is dynamic sql?

4) diff. types of locking. explain ?

5) how can i enable or disable primary or foreign key?
(When i use alter it shows error)

6) diff. between QMF and SPUFI?
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karthi_ind

Active User


Joined: 24 Feb 2004
Posts: 131
Location: Chennai

PostPosted: Wed Aug 04, 2004 5:07 pm    Post subject:
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can anyone answer these questions?
Why no answers?
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mmwife

Super Moderator


Joined: 30 May 2003
Posts: 1592

PostPosted: Wed Aug 04, 2004 11:26 pm    Post subject:
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Quote:
can anyone answer these questions?
Why no answers?


Check out the following links. They may give you a clue, but I doubt it.

Regards, Jack.

http://www.ibmmainframes.com/expertforum/viewtopic.php?t=829
http://www.ibmmainframes.com/expertforum/viewtopic.php?t=874
http://www.ibmmainframes.com/expertforum/viewtopic.php?t=849
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mcmillan

Site Admin


Joined: 18 May 2003
Posts: 1202
Location: India

PostPosted: Sat Sep 25, 2004 9:23 am    Post subject: Re
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Hi Karthi,

Quote:
What is index? Diff. types of index (explain)


Index is another table which contains the column in ascending/descending order.

Unique Index/ Primary index / Non-nique index etc...

Quote:
What's the use of index?


To search the table more efficiantly

Quote:
what is dynamic sql?


If you know the SQL statements at compile time it's static SQL, at Runtime it's Dynamic SQL.

Quote:
diff. types of locking. explain ?


Locking row level, page level, table level & table spce level available.

Quote:
how can i enable or disable primary or foreign key?


ALTER TABLE EMP
DROP PRIMARY KEY.

ALTER TABLE EMP
ADD PRIMARY KEY(empno)


Quote:
diff. between QMF and SPUFI?


QMF - Query Management Facility

SPUFI - SQL processor Using File Input

In SPUFI you should create two data sets to provide & view I/O

In QMF data sets not necessary. In QMF you can generate & print reports.

in SPUFI not like that.
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