Check out example codes for "sql anywhere create procedure". It will help you in understanding the concepts better.

Code Example 1

CREATE TEMPORARY PROCEDURE drop_table( IN @TableName char(128) )
BEGIN
    IF EXISTS  ( SELECT * FROM SYS.SYSTAB WHERE table_name = @TableName ) THEN
   EXECUTE IMMEDIATE 'DROP TABLE "' || @TableName || '"';
   MESSAGE 'Table "' || @TableName || '" dropped' to client;
    END IF;
END;
CALL drop_table( 'CustRank' );

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