how to Change column name and Make a unique column.

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November 20, 2010 at 11:51 AM

Hi,

Following queries are used to rename a column and to make a column unique.

for rename a column-

alter table [table name] change [old column name] [new column name] varchar (50);

for make a column unique-

alter table [table name] add unique ([column name]);

Thanks,

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