CASE expression syntax is similar to an IF-THEN-ELSE statement. Oracle checks each condition starting from the first condition (left to right). When a particular condition is satisfied (WHEN part) the expression returns the tagged value (THEN part). If none of the conditions are matched, the...
This Oracle tutorial explains how to use the Oracle/PLSQLCASE statementwith syntax and examples. Description The Oracle/PLSQL CASE statement has the functionality of an IF-THEN-ELSE statement. Starting in Oracle 9i, you can use the CASE statement within a SQL statement. Syntax The syntax for ...
FromOracle Database 23ai, theautomatic SQL transpilercan extract SQL expressions in PL/SQL. These are then part of the SQL statement, so at runtime it's as-if the function doesn't exist! To do this, ensure thesql_transpilerparameter ison(it'soffby default). When a function in thew...
Oracle/ Oracle Database/ Release 19 SQL Language Reference CASEexpressions let you useIF...THEN...ELSElogic in SQL statements without having to invoke procedures. The syntax is: Description of the illustration case_expression.eps simple_case_expression::= ...
In this syntax, Oracle compares the input expression (e) to each comparison expression e1, e2, …, en. If the input expression equals any comparison expression, theCASEexpression returns the corresponding result expression (r). If the input expression e does not match any comparison expression,...
returns the tagged value (THEN part). If none of the conditions are matched, the value mentioned in the ELSE part is returned. The ELSE part of the expression is not mandatory– CASE expression will return null if nothing is satisfied. Here is the basic syntax of an Oracle CASE When ...
ORACLE-BASE - Column-Level Collation and Case-Insensitive Database in Oracle Database 12c Release 2 (12.2)
Solaris Studio C allows an extension found in some compilers, known as case ranges. A case range specifies a range of values to associate with an individual case label. The case range syntax is: case low ... high : A case range behaves as if case labels had been specified for each...
Basic syntax CASE expression syntax is similar to an IF-THEN-ELSE statement. Oracle checks each condition starting from the first condition (left to right). When a particular condition is satisfied (WHEN part) the expression returns the tagged value (THEN part). If none of the conditions are ...
Furthermore searched case works in virtually all SQL databases. From that point of view, one could say that searched case is the only case syntax you absolutely need to remember. CASE WHEN <condition> THEN <result> [WHEN <condition> THEN <result> ...] [ELSE <result>] END...