Reference Manual
CHAPTER 9. SQL Statements
To eliminate a SQL variable.
DROP VARIABLE identifier
None.
None.
The DROP VARIABLE statement eliminates a SQL variable that was previously created using the CREATE VARIABLE statement. Variables will be automatically eliminated when the database connection is released. Because, variables are often used for large objects, eliminating them after use may free up significant resources (primarily disk space).
SQL/92 Vendor extension.
Sybase Not supported in Adaptive Server Enterprise.