• Suresh B. (10/10/2012)


    sunny.tjk (10/10/2012)


    So, can I create separate NC indexes on OFFR_TYPE_CD and CRETD_DT columns

    No. Single composite index is better.

    also can I create a composite index on [LKUP_ID] and [ATTR_VAL] columns?

    Yes.

    If i create a single composite index on [LKUP_ID] and [ATTR_VAL] columns, will the index be useful if I run a query like this:

    SELECT LKUP_ID, ATTR_VAL

    FROM [APP_DEAL]

    WHERE ATTR_VAL=97067

    My question is, will the index be useful only if I use both LKUP_ID and ATTR_VAL in the WHERE clause or can I use either one of these columns in the WHERE clause.