What is an index hint?
What is an index hint? The index hint is used to explicitly specify a table name, in which case the optimizer will use the best index on the table, or the table and index name, in which case the optimizer will use the specified index. How do you give an index hint? The main index hints include:/*+INDEX(Index name)*//*+INDEX_JOIN(emp index1, index2)*/ Forces an index join where two or more indexed columns can be joined using single-column indexes; this can be useful to solve query columns./*+INDEX_COMBINE(emp bitmap1, bitmap2)*/ /*+AND_EQUAL(emp index1, index2,… What is an Oracle hint? An Oracle hint provides directive to...