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Modifying the data size in Db2

 
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saigiridhar_s

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Joined: 25 Feb 2005
Posts: 2
Location: bangalore

PostPosted: Fri Mar 11, 2005 11:49 pm    Post subject: Modifying the data size in Db2
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hi,
Iam Giridhar here is my doubt plz answer to this question and thanksa in Advance.

Q.Can we change the Data size in Db2.if we can how ew can change.Is it possible using ALTER Command?
Ex: in Table empName char(20) but ii is necessary to make is char(30),how?
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mcmillan

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Joined: 18 May 2003
Posts: 1200
Location: India

PostPosted: Sat Mar 12, 2005 1:37 am    Post subject: Re: Modifying the data size in Db2
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Quote:
Can we change the Data size in Db2


Yes, We can change the Data Type / Size of the column after DB2 8.0. before that it's possible to change the size of the column if it's declared as VARCHAR.

Quote:
if we can how ew can change


Using ALTER TABLE... ALTER COLUMN statement

Quote:
Table empName char(20) but ii is necessary to make is char(30),how?


ALTER TABLE EMP ATLER COLUMN EMPNAME SET DATA TYPE CHAR(30)
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