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Keyword and Parameter Description:
boolean_expression:
This is an expression which results the Boolean value TRUE, FALSE, & NULL. It is related with a series of statements that is executed only if the expression results TRUE.
THEN
This keyword relates the Boolean expression which precedes it with the series of statements that follows it. When the expression yields TRUE, the related series of statements is executed.
ELSIF:
This keyword introduce a Boolean expression to be computed if the expression following IF and all the expressions following any preceding ELSIFs results FALSE or NULL.
ELSE:
If control reaches this keyword, the series of statements which follows it is executed.
Advantages of Packages The benefits of the Packages are as shown below: Modularity The Packages encapsulate logically associated items, types, and subprograms in the
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which operation is used if we are interested in only certain columns of a table?
Pl/sql Conditional Control: IF statements Frequently, it is necessary to take the alternative actions depending on the circumstances. The IF statement execute a series of statem
Expression: This is a randomly complex combination of constants, variables, literals, operators, & function calls. The simplest expression consists of a single variable. If th
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