Re: Include all columns in an unique index

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by: June Moore | last post by:

Hi, I would like to add a unique index that consists of two fields in a table. e.g. tbl_A (field1,field2) -- field1 & field2 Indexed and combination must be Unique. Can anyone tell me the actual sql syntax to create this index? Thanks, June.

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by: Dave | last post by:

Can you create a unique constraint on multiple columns, or does it have to be implemented as a unique index? If possible can someone please post some sample code? Thanks,

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by: Raquel | last post by:

Have a table T1 with a uniqe index defined on columns COL1, COL2 with INCLUDE of COL3. So, what will the access path be for the following query: SELECT COL1, COL2 FROM T1 WHERE COL3 = 'ABC' Will it be an 'index only' scan or will DB2 have to go to the datapages to fetch records. TIA

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