Updating data from one table to another in sql

Many times, however, it is more efficient to use a set-based approach to create new rows.

To that end, you’ll also find techniques for inserting many rows at a time.

These are three different ways to allow you to get a database from Server A to Server B in an automated fashion.

With this change, such statements produce a warning in the log when using statement-based mode and are logged using the row-based format when using that employs table-level locks locks all partitions of the target table; however, only those partitions that are actually read from the source table are locked.

You can also use bulk insert mechanisms within T-SQL, bcp, BULK INSERT and OPENROWSET all support the ability to export data from one database and import it into another.

Because it's all in T-SQL, you can automate these functions.

I realized I could simply do one field at a time, but that doesn't seem efficient to me.

I've written the following but there's a problem with the syntax.