Updating a row in sql server

21-Jun-2019 01:05

It's probably the best SQL workbench on the market, and MS is always known for giving a lot of love to its developers through great tools.When quickly examining data in database table, it's not uncommon for developers to use two context menu entries: "Select Top 1000 Rows" and "Edit Top 200 Rows." Usually, the first is used as a starting point for data analysis, and constructing more complex queries.In my Scenario, the First Name and Last names are primary Keys. In the real world, the name could be a company name, example: Best Buy.Since we are not going to be changing the company name, we make the name the primary Key.

Instead of updating the table in single shot, break it into groups as shown in the above example.Your result set will then include a row for each position that an employee has held.For instance, if John has worked as a salesman and a regional supervisor, the result set will include two rows for John, one for each position.I have highlighted the areas which differ compared with a normal cursor.SQL Server Management Studio (SSMS) is a one of those professional tools that Microsoft stack developers simply can't live without.

Instead of updating the table in single shot, break it into groups as shown in the above example.

Your result set will then include a row for each position that an employee has held.

For instance, if John has worked as a salesman and a regional supervisor, the result set will include two rows for John, one for each position.

I have highlighted the areas which differ compared with a normal cursor.

SQL Server Management Studio (SSMS) is a one of those professional tools that Microsoft stack developers simply can't live without.

Consider the following code: The above code updates 10000 rows at a time and the loop continues till @@rowcount has a value greater than zero. Best practices while updating large tables in SQL Server1.