ON UPDATE CASCADE ensures which of the following?
Answer: B
No answer description available for this question.
Enter details here
The SQL keyword GROUP BY instructs the DBMS to group together those rows that have the same value in a column.
Answer: A
No answer description available for this question.
Enter details here
The qualifier DISTINCT must be used in an SQL statement when we want to eliminate duplicate rows.
Answer: A
No answer description available for this question.
Enter details here
The HAVING clause does which of the following?
Answer: A
No answer description available for this question.
Enter details here
SQL can be used to:
Answer: D
No answer description available for this question.
Enter details here
When three or more AND and OR conditions are combined, it is easier to use the SQL keyword(s):
Answer: D
No answer description available for this question.
Enter details here
Select * from employee What type of statement is this?
Answer: A
Select operation just shows the required fields of the relation. So it forms a DML
Enter details here
The wildcard asterisk (*) is the SQL-92 standard for indicating "any sequence of characters."
Answer: B
No answer description available for this question.
Enter details here