What are the different ways of moving data between databases in SQL Server

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What are the different ways of moving data between databases in SQL Server?

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There are lots of option available; you have to choose your option depending upon your requirements. Some of the options you have are: BACKUP/RESTORE, detaching and attaching databases, replication, DTS, BCP, logshipping, INSERT...SELECT, SELECT...INTO, creating INSERT scripts to generate data.

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What is the difference between UNION and UNION ALL SQL syntax
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