What are transactions in sql?

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What is the difference between coalesce() & isnull()?

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I need a query that retrieves info from an Oracle table and a query that retrieves info from a SQL Server table. The info has to be joined together according to Record ID numbers. I have very limited access to the Oracle database but full control of the SQL Server database.How do I join two different queries from two different databases?

1 Answers  

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What are the different SQL Server Versions you have worked on?

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What is sql injection? How to protect against sql injection attack?

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Restore database SQL2000, SQL2012 Backup of base is created in Microsoft SQL Server 2000 - 8.00.2066, I can't restore on Microsoft SQL Server 2012 - 11.0.2100.60

3 Answers   IT Decisions,

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my name is sejal I have cleared the sbi clerk exam. I am BCA graduate My favorite subject RDBMS Relational database management system. so please send me rRDBMS related interview questions

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How many types of keys are there?

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List some of the rules that apply to creating and using a ‘view’

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You have a stored procedure, which execute a lengthy batch job. This stored procedure is called from a trigger you do not want to slow the data entry process you do not want trigger to wait for this batch job to finish before it completes itself what you can do to speed up the process?

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Can primary key be a foreign key?

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Difference between LEN() and DATALENGTH() in sql server ?

0 Answers   HCL,

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