Updating millions of rows bulk collect turning casual dating into relationship

08 Jun

In Example 12-5, the two queries produce the same result set, but the second query is more efficient than the first.

TO_CHAR(ending_time - starting_time)); END; / Square root of dept.

ID = 7.07106781186547524400844362104849039285 Square root of dept.

ID = 7.74596669241483377035853079956479922167 Square root of dept.