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The IF statement allows you to either execute or skip a sequence of statements, depending on a condition. The IF statement has three forms: IF THEN ELSE. IF THEN ELSIF. PL/SQL IF THEN statement. The following illustrates the structure of the IF THEN statement: IF condition THEN . statements; END IF;
- PL/SQL CASE Statement
If no values in WHERE clauses match the result of the...
- PL/SQL CASE Statement
The syntax for IF-THEN-ELSE in Oracle/PLSQL is: IF condition THEN. {...statements to execute when condition is TRUE...} ELSE. {...statements to execute when condition is FALSE...} END IF; You use the IF-THEN-ELSE syntax, when you want to execute one set of statements when condition is TRUE or a different set of statements when condition is FALSE.
9 kwi 2014 · ELSIF does not need a matching END IF. If the condition for the 1st IF is not satisfied, then the ELSIF condition is checked. ELSE IF will need a matching END IF, because a new IF block is started.
If a boolean_expression is evaluated and its value is TRUE, the statements after the corresponding THEN run. The succeeding expressions are not evaluated, and the statements associated with them do not run. ELSE. If no boolean_expression has the value TRUE, the statements after ELSE run.
28 cze 2024 · Allows one or more IF-THEN or IF-THEN-ELSIF statement inside another IF-THEN or IF-THEN-ELSIF statement (s). Mainly used in nested condition situation. In this Oracle PL/SQL tutorial, we will learn Decision-Making Statements like If-Then, If-Then-Else, If-Then-Elsif, Nested-If.
28 cze 2024 · Jest to podstawowe polecenie warunkowe, które pozwoli ORACLE wykonać/pominąć konkretny fragment kodu na podstawie wstępnie zdefiniowanych warunków. Składnia instrukcji IF THEN: IF <condition: returns Boolean> THEN -executed only if the condition returns TRUE <action_block> END if;
16 sie 2017 · Oracle IF THEN ELSE w PL/SQL to typowa instrukcja warunkowa. Wykonuje blok kodu, jeśli warunek przed blokiem jest spełniony. Jeśli nie jest spełniony mamy do dyspozycji opcjonalne warunki ELSIF i ELSE. Instrukcję IF THEN ELSE w Oracle możemy używać w PL/SQL m. in. w blokach anonimowych, procedurach, funkcjach, triggerach.
