Updating tables in sql server
Suppose I wanted to change both the Toy Name and the Price columns.I can update multiple columns with a single UPDATE statement.By doing this I have made sure I don’t have a bogus WHERE clause on my UPDATE statement that is going to incorrectly identify rows to be updated in my table.In my examples above I only updated a single column with my UPDATE statement.Below is an example that does this: I updated the Toy Name and the Price for the Toy row with an ID value of 4, which was my original Super Surfer row.
There are multiple ways to use the UPDATE statement to update a SQL Server table.
There may be times when you don’t want to manually write a bunch of UPDATE statements with different literal strings to update your table.
Suppose I wanted to change all the prices of my Toys with a single UPDATE statement.
In this article I will show you the most common methods of using the UPDATE statement.
Below is the basic syntax for the UPDATE statement: This is not the complete syntax of the update statement.
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I say random rows because TSQL doesn’t guarantee order unless you have an order by clause.