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Calculate tables in a schema


Calculate tables in a schema

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sharonsql2013
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I need to calculate total # of tables in a particular schema.
Its a user defined table.(Total number of tables seem a lot)


I can view the schema id from
select * from sys.schemas.


Kindly advise.
Sean Pearce
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SELECT schema_id, name FROM sys.tables



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Sean Lange
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Of if you want to use the schema name.


select *
from sys.tables t
join sys.schemas s on t.schema_id = s.schema_id
where s.name = 'YourSchemaName'



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sharonsql2013
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That sure helps.

Thank you.
Steven Willis
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Also available under System Views is the INFORMATION_SCHEMA collection which can give you all the information you need for any metadata in the the database.

For listing out your table collection for example:



SELECT * FROM
INFORMATION_SCHEMA.TABLES
WHERE TABLE_TYPE = 'BASE TABLE'




This will list every table in the target database.

 
dwain.c
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Steven Willis (7/15/2013)
Also available under System Views is the INFORMATION_SCHEMA collection which can give you all the information you need for any metadata in the the database.

For listing out your table collection for example:



SELECT * FROM
INFORMATION_SCHEMA.TABLES
WHERE TABLE_TYPE = 'BASE TABLE'




This will list every table in the target database.

 


Steven - I believe I've heard somewhere that INFORMATION_SCHEMA VIEWs will be deprecated in the future. Too bad because I've found them pretty useful.


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Steven Willis
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I've heard rumors that the INFORMATION_SCHEMA views are deprecated in later versions, but the information even on MSDN isn't very clear on that. http://msdn.microsoft.com/en-us/library/ms186778.aspx. It seems the INFORMATION_SCHEMA views are still the ANSI-compliant method for querying metadata (if that matters). The link posted does say that some of the views have changed seemingly to be MORE ANSI-compliant than before. From the description at that link it seems mostly the changes involve mandating strict naming conventions. I hope these views don't go away entirely since they have proven very useful to me!

 
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