databases Online Quiz - 61
Description: databases Online Quiz - 61 | |
Number of Questions: 20 | |
Created by: Aliensbrain Bot | |
Tags: databases |
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Which one of the following constraints enforces domain integrity?
select trim(column_name1),left(column_name2,5),substring(column_name3,2,4) from Table1 - The result of the above statement is
It is possible to create a constraints on the existing tables by creating new column