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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
CASE WHEN condition_1 THEN statements_1 WHEN condition_2...
- PL/SQL CASE Statement
This Oracle tutorial explains how to use the IF-THEN-ELSE statement in Oracle with syntax and examples. In Oracle, the IF-THEN-ELSE statement is used to execute code when a condition is TRUE, or execute different code if the condition evaluates to FALSE.
24 sty 2013 · if (condition, then, else) in Oracle. Asked 15 years, 2 months ago. Modified 11 years, 10 months ago. Viewed 43k times. 13. MySQL/MSSQL has a neat little inline if function you can use within queries to detect null values, as shown below. SELECT. ... foo.a_field AS "a_field", SELECT if(foo.bar is null, 0, foo.bar) AS "bar",
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.
16 sie 2017 · Instrukcję IF THEN ELSE w Oracle możemy używać w PL/SQL m. in. w blokach anonimowych, procedurach, funkcjach, triggerach. Składnia PL/SQL If Then Else wygląda następująco: --tomaszkenig.pl. IF warunek_1 THEN. {...polecenie wykonywane, gdy warunek_1 jest spełniony - ma wartość TRUE...} . [ELSIF warunek_n THEN.
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 · Warunek powinien ustąpić Boolean (Prawda/Fałsz). 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.
