![]() ![]() Update employee set = salary + (salary * 10 / 100) where =1 In this case, the direct reference SQL query will be: For example, in a table, a requirement has to increment all active employees’ salary by 10%. Usually, SQL updates are performed for an existing table with direct reference. You can update all table rows or limit the affected rows for the update using the WHERE clause. The UPDATE query modifies data in an existing row in the database. This is where the UPDATE query comes into play. ![]() In this case, you cannot add new rows in the table because the product record already exists, but you are required to update the current prices for existing products. The product prices constantly change, as you might offer product discounts at different times to your customers. ![]() For example, let’s say you have a table that stores product pricing data for your shopping portal. Instead, it keeps changing when we update existing data, archive or delete irrelevant data and more. In the database world, static data is not typically stored. In this article, we will cover the different methods for using the UPDATE from SELECT statement in SQL Server.
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June 2023
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