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Pl/sql case when multiple values...
Multiple case statement in oracle examples
The statement chooses from a sequence of conditions and runs a corresponding statement.
The simple statement evaluates a single expression and compares it to several potential values.
The searched statement evaluates multiple Boolean expressions and chooses the first one whose value is .
simple_case_statement
selector
Expression whose value is evaluated once and used to select one of several alternatives. can have any PL/SQL data type except , , or a user-defined type.
WHEN selector_value THEN statement
can be an expression of any PL/SQL type except , , or a user-defined type.
The s are evaluated sequentially.
Nested case statement in oracleIf the value of a equals the value of , then the associated with that runs, and the statement ends. Subsequent s are not evaluated.
Caution:
A can modify the database and invoke nondeterministic functions. There is no fall-through mechanism, as there is in the C statement.
Oracle case when example
ELSE statement [statement ]...
The s run if and only if no has the same value as .
Without the clause, if no has the same value as , the system raises the predefined exception .
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