Examlex
SQL supports the conditional execution of procedures (if...then...else statements)that are typically supported by a programming language.
Q9: The relational operators have the property of
Q10: Explain the different types of join operations.What
Q13: UNION,INTERSECT,and MINUS work properly only if relations
Q22: When using the Oracle TO_NUMBER function to
Q31: _ not only helps you stay on
Q33: The _ rule states that only one
Q46: A(n)_ rule is a brief and precise
Q52: If the foreign key contains either matching
Q52: Rows can be grouped into smaller collections
Q57: In both the Chen and Crow's Foot