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 SQL
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Posted on 07-13-07 1:15 PM     Reply [Subscribe]
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Hi all,

I have to do small thing is SQL server. rename the existing column name and update the character of that column but all the values of column in it. for eg

Number Code Amount
1001 W 123.45
1001 A 123.45
1002 B 78.90
1003 C 86753.09

I need to change Number into ID and keep all the values in it. also right now number has character int(10) which needs to change into int(6). I know i can do this by right clicking that column and clicking design table and changing everything out there but the thing is i need this in script. Can somebody help me to do this in simplest way.
 
Posted on 07-13-07 1:58 PM     Reply [Subscribe]
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exec SP_Rename 'tablename.oldcolumnname','newcolumname','Column'

this proc works fine but can we write our own script
 
Posted on 07-13-07 2:07 PM     Reply [Subscribe]
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try this one to change the data type

ALTER TABLE
MODIFY (Number int(6) NOT NULL );



Try this one to rename the column Name

EXEC sp_rename
@objname = 'table_name.old_column_name',
@newname = 'new_column_name',
@objtype = 'COLUMN'
 
Posted on 07-13-07 2:09 PM     Reply [Subscribe]
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correction on first one

ALTER TABLE tableName
MODIFY (Number int(6) NOT NULL );
 


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