How do you clear a SQL Server database?

How do I clear an entire SQL database?

Using SQL Server Management Studio

  1. In Object Explorer, connect to an instance of the SQL Server Database Engine, and then expand that instance.
  2. Expand Databases, right-click the database to delete, and then click Delete.
  3. Confirm the correct database is selected, and then click OK.

How do I delete the contents of a database?

To delete data or log files from a database

Select the Files page. In the Database files grid, select the file to delete and then click Remove.

What is the fastest way to delete data in SQL Server?

Inserting rows in a table is faster than deleting them. Loading data into a new table using create-table-as-select (CTAS) is faster still.

Remove Rows with Create-Table-as-Select

  1. Create a new table saving the rows you want to keep.
  2. Truncate the original table.
  3. Load the saved rows back in with insert as select.

How do I empty a database in SQL Server Management Studio?

Delete Database Using SQL Server Management Studio

  1. To drop a database using SQL Server Management Studio, connect to an SQL Server Database Engine instance from Object Explorer, and Expand the instance.
  2. Right click on the database which you want to delete, and select Delete.
  3. Confirm the database and click Ok button.
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How do I delete local SQL Server?

Uninstall

  1. To begin the removal process navigate to Settings from the Start menu and then choose Apps.
  2. Search for sql in the search box.
  3. Select Microsoft SQL Server (Version) (Bit). …
  4. Select Uninstall.
  5. Select Remove on the SQL Server dialog pop-up to launch the Microsoft SQL Server installation wizard.

How do I clear the SQL Server error log?

In SQL Server Management Studio, open the MANAGEMENT folder, then right click on SQL SERVER LOGS and say CONFIGURE. Check the LIMIT ERROR LOGS box and set the number to 30 (a month’s worth). Now, set up a new job in the SQL Agent that runs sp_cycle_errorlog every night at midnight.

How can improve delete query performance in SQL Server?

Optimizing Delete on SQL Server

  1. be sure foreign keys have indexes.
  2. be sure the where conditions are indexed.
  3. use of WITH ROWLOCK.
  4. destroy unused indexes, delete, rebuild the indexes.

How do you delete multiple values in SQL?

There are a few ways to delete multiple rows in a table. If you wanted to delete a number of rows within a range, you can use the AND operator with the BETWEEN operator. DELETE FROM table_name WHERE column_name BETWEEN value 1 AND value 2; Another way to delete multiple rows is to use the IN operator.

How can I delete top 100 records from a table in SQL Server?

In SQL Server, DELETE TOP statement is used to delete the records from a table and limit the number of records deleted regarding a fixed value or percentage. Syntax: DELETE TOP (top_value) [ PERCENT ] FROM [database_name].

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