Purpose
Compares expr to each search parameter with its corresponding result parameter.
Syntax
- TD_SYSFNLIB.
- Name of the database where the function is located.
-
expr
- A numeric or character expresssion.
-
- If expr is equal to one of the search arguments, the function returns the corresponding result value.
- If expr is not equal to any of the search arguments, the functions returns default, if the default value is specified.
- If expr is NULL, the function returns the result of the first search parameter that is NULL.
-
search
- A numeric or character expresssion.
- DECODE supports 1-10 search arguments tied to an equal number of result arguments.
-
result
- A numeric or character expresssion.
- DECODE supports 1-10 result arguments tied to an equal number of search arguments.
-
default
- A numeric or character expresssion.
- If default is not specified and there are no matches, the function returns NULL.