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Programming Tutorials
" Java provides the industry - software companies and customer alike , an opportunity to create a true open computing environment where software is portable,
and customers benefit from increase competition. "
Java and the Future
December 1, 2008-LEJB 3.1: EJB New and Improved!
The EJB 3.0 specification was a huge improvement from what you were used to in the early versions of EJB. Available as an early draft, EJB 3.1 has many more features and is even easier to use.
December 1, 2008-Should Java Assert that Network I/O Can't Occur on the UI Thread?
Doing network I/O on the user interface (UI) thread is bad. Most developers know that and can tell you why; unfortunately, it's still done.
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Stored Routine Syntax
Query OK, 0 rows affected (0.00 sec)
mysql> SELECT hello('world');
+----------------+
| hello('world') |
+----------------+
| Hello, world! |
+----------------+
1 row in set (0.00 sec)
ALTER PROCEDURE and ALTER FUNCTION Syntax
ALTER {PROCEDURE | FUNCTION} sp_name [characteristic ...]
characteristic:
{ CONTAINS SQL | NO SQL | READS SQL DATA | MODIFIES SQL DATA }
| SQL SECURITY { DEFINER | INVOKER }
| COMMENT 'string'
DROP PROCEDURE and DROP FUNCTION Syntax
DROP {PROCEDURE | FUNCTION} [IF EXISTS] sp_name
This statement is used to drop a stored procedure or function.
CALL Statement Syntax
CALL sp_name([parameter[,...]])
CALL sp_name[()]
The CALL statement invokes a procedure that was defined previously with CREATE PROCEDURE.
CREATE PROCEDURE sp1 (x VARCHAR(5))
BEGIN
DECLARE xname VARCHAR(5) DEFAULT 'bob';
DECLARE newname VARCHAR(5);
DECLARE xid INT;
SELECT xname,id INTO newname,xid
FROM table1 WHERE xname = xname;
SELECT newname;
END;