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Scripting Tables with ALTER with dependencies


Scripting Tables with ALTER with dependencies

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Arsh
Arsh
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Dear Experts,
Please advise how I can script all the tables of a database with ALTER option . It should script the drop and create of the dependencies like Indices, Constraints .Thanks in advance.
Jeff Moden
Jeff Moden
SSC Guru
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Arsh - Saturday, December 9, 2017 4:25 AM
Dear Experts,
Please advise how I can script all the tables of a database with ALTER option . It should script the drop and create of the dependencies like Indices, Constraints .Thanks in advance.

"It Depends". What is it that you're trying to ALTER on every table?


--Jeff Moden

RBAR is pronounced ree-bar and is a Modenism for Row-By-Agonizing-Row.
First step towards the paradigm shift of writing Set Based code:
Stop thinking about what you want to do to a row... think, instead, of what you want to do to a column.
If you think its expensive to hire a professional to do the job, wait until you hire an amateur. -- Red Adair

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Arsh
Arsh
SSCrazy
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Jeff Moden - Sunday, December 10, 2017 4:19 PM
Arsh - Saturday, December 9, 2017 4:25 AM
Dear Experts,
Please advise how I can script all the tables of a database with ALTER option . It should script the drop and create of the dependencies like Indices, Constraints .Thanks in advance.

"It Depends". What is it that you're trying to ALTER on every table?

Hi Jeff. I suppose I would become an automation project actually. Needs kinda data analytics /machine-learning. The script has to read the contents of the column and analyze basing on the Max / Min / Avg values and how the data is distributed and then suggest a length /Type and generate alter command . for each column where applies. On a smaller scale , similar lines ,I'm building something that projects Index Rebuilds/Reorganize for all objects based on an algorithm (counting number of table cols , Index cols / Row Count etc ) that determines the fill factor .

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