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
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.
Process in which data from disparate, homogeneous or heterogeneous systems is cleansed, aggregated, consolidated, de-normalized and loaded into a single database or data warehouse after applying business rules is :
Can you convert a snowflake schema in to star schema?
Which one is not the technique in ER modelling?
Another name for the EXCEPT operator is __________.
Select the correct order of clauses
What is the displayed result of the following: SELECT 3 / 4 * 100?
Which commands do the same thing?