Sql updating multiple rows

13-Feb-2020 08:59 by 7 Comments

Sql updating multiple rows

In the SET clause, instead of using the literal values, we used a subquery to get the corresponding last name value from the employees table.In this tutorial, we have shown you how to use the SQL UPDATE statement to modify the data in one or more columns of a table.

That way, you will not accidentally update more rows than you intend to.

in the above table i want to update all rows fields in emloyee_name in Single Statement using this update Employee Job Details set employee_name='anil jangam' where(Employee Job Details.eid=12313), set employee_name='Rama Krishna' where(Employee Job Details.eid=12314), set employee_name='anil jangam' where(Employee Job Details.eid=12313), set employee_name='anil jangam' where(Employee Job Details.eid=12313) This site functions according to votes.

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Execute the following UPDATE command to update the customer orders table.

Since we've provided a WHERE condition with this update command, this update will only modify rows that match the condition and in this case it happens to be order number 1 made by Tizag.

You would need a separate UPDATE statement for each.

But, what you can do is pass in all the values you want to update as a table valued parameter. FROM statement that will enable you to update all the values based on the listing of values within the parameter.

UPDATE is a very powerful command in the SQL world.

It has the ability to update every single row in a database with the execution of only a single query.

If I have understood your question correctly, you are trying to update employee_Name for various EIDs with a single select statement.

It is possible to update but with the approach you had mentioned in your post if you try executing it, SQL Server will complain about syntax error as for any SET operation (non- variable based) the compiler will expect action type command (UPDATE in this case).

The columns that are not specified retain their original values.

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