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Data BLock and Control Block [message #404168] Wed, 20 May 2009 11:37 Go to next message
MR[T]
Messages: 62
Registered: March 2009
Member
What is the difference between Data Block and Control Block.Why do we create Control Block.
And when we Build New Data Block Manually then is it called Control Block?

Regards
MR[T]
Re: Data BLock and Control Block [message #404182 is a reply to message #404168] Wed, 20 May 2009 12:13 Go to previous messageGo to next message
cookiemonster
Messages: 12403
Registered: September 2008
Location: Rainy Manchester
Senior Member
Quote:

What is the difference between Data Block and Control Block.



Strictly speaking none - a control block is a data-block.

That probably should have been:
What's the difference between a database data-block and a control block?

A control block is simply a block that has it's Database Data Block property set to No - so it isn't linked to any table, view, query or stored procedure.

You create them so you can have a set of items that aren't directly linked to stuff in the database.

Quote:

And when we Build New Data Block Manually then is it called Control Block?


A manually created block has it's Database Data Block property set to Yes - so strictly speaking, no it isn't a control block (yet) - changing the property is easy enough of course.
Re: Data BLock and Control Block [message #404585 is a reply to message #404182] Fri, 22 May 2009 06:49 Go to previous message
MR[T]
Messages: 62
Registered: March 2009
Member
Thanks alot Smile
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