Can you explain what are commit and rollback in sql?


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hi, the following are the outputs of sp_spaceused and sp_tempdbspace sp_spaceused ------------ database size unallocated size tempdb 77752.95 MB 28026.99 MB sp_tempdbspace ------------- database size spaceused tempdb 77752.945312 1.007812 the unused space in sp_spaceused is nearly 28 Gb and in sp_tempdbspace is nearly 76 Gb cany any one explain about this output and why its giving different results.

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Can a rule be bound to any column of any data type?

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Explain syntax for disabling triggers?

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Other than truncate statement, which other command can by-pass the trigger on the tables?

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Explain log shipping and mention its advantages.

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What is row_number function?

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What are the two authentication modes in sql server?

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Department ----------- salary Deptname 1000 A 3000 A 2000 B 3000 B 4000 C 5000 C select the deptname where salary >=5000 result should be: Deptname --------- C please post only executed query in SQL server 2005 Asked By: Md. Niyaz

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how many triggers you can have on a table? : Sql server database administration

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Why do we use sql limitations? Which constraints can we use while making a database in sql?

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What happens if null values are involved in datetime operations?

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What structure can you implement for the database to speed up table reads?

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