Did you know that DB2 provides a way to change the way that a program or SQL statement acquires locks? That way is known as the isolation level and it can be set to specify the locking behavior for a transaction or statement. Standard SQL defines four isolation levels that can be set using the SET TRANSACTION ISOLATION LEVEL statement: Serializable Repeatable read Read committed Read uncommitted The isolation level determines the mode of page or row locking implemented by the program as it runs. DB2 supports a variation of the standard...
Monday, 22 June 2009
Friday, 12 June 2009
The Mainframe is Number One!
Posted on 10:07 by Unknown
Congratulations to the mainframe, just cited at #1 in the InfoWorld Hardware Hall of Fame.Okay, so maybe they are listing the hardware chronologically, but I refuse to acknowledge that. The IBM System/360 mainframe is listed first -- and that means number one, right?Actually, the entire list is interesting and entertaining, so take a moment to click over and review the InfoWorld Hardware Hall of Fame, which is littered with titans from the past (DEC, Compaq) as well as current offerin...
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