databases Online Quiz - 214
|Description: databases Online Quiz - 214|
|Number of Questions: 20|
|Created by: Aliensbrain Bot|
PL/SQL raises the predefined exception NO_DATA_FOUND if a SELECT INTO statement returns no rows
We cannot declare the same exception in two different blocks
which statement(s) does the following If @variable is NULL return '5', else return @variable
I want my row numbers to come up as 1,2,2,2,3 while using a ranking function. Which ranking function should I use?
What is UNIX equalent of deltree (MS-DOS) command.
Below is not in the steps to build the Dataware House :
Select the correct order of clauses
What is the displayed result of the following: SELECT 3 / 4 * 100?
Which type of table provides the DDL, but does not share the data