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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
Summary: in this tutorial, you will learn how to use the...
- PL/SQL CASE Statement
24 sty 2013 · Use the standard COALESCE function: SELECT COALESCE(foo.bar, 0) as "bar", ... Or use Oracle's own NVL function that does the same.
The IF statement either runs or skips a sequence of one or more statements, depending on the value of a BOOLEAN expression.
7 gru 2023 · IF-THEN logic in SELECT and WHERE with CASE expressions in Oracle SQL. December 7, 2023 | 8 minute read. Chris Saxon. Developer Advocate. There’s no if keyword in SQL. If you want to do if-else-then logic in select, where or anywhere else in a statement, you need a case expression. This is a series of when clauses that the database runs in order:
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.
IF Statement. The IF statement executes or skips a sequence of statements, depending on the value of a Boolean expression. For more information, see "Testing Conditions: IF and CASE Statements". Syntax. Description of the illustration if_statement.gif. Keyword and Parameter Description. boolean_expression.
28 cze 2024 · In this Oracle PL/SQL tutorial, we will learn Decision-Making Statements like If-Then, If-Then-Else, If-Then-Elsif, Nested-If.
