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#Mysql shrink database how to
#Mysql shrink database free

Here is an example of the results when executing specified SELECT statement USE ApexSQL_Backup_Shrink GO SELECT file_id, NAME ,type_desc Running the stored procedure is a more convenient option, since it allows running the check against a specific table only

Choose Reports / Standar d Reports / Disk UsageĪs an alternative to getting the data size information from SSMS, the information can be acquired by executing the ‘sp_spaceused’ stored procedure against the database.

In the Object Explorer panel locate the database in question, and use right mouse click to bring up the context menu.

Start SSMS and connect to the SQL Server database engine.

To check data and log space information for a database from SSMS, perform the following steps:

Perform a SELECT operation over sys.database_files.

Execute ‘sp_spaceused’ stored procedure from a query.

Create a standard report for the database in SQL Server Management Studio, or.

In order to display the data and log files information for a SQL Server database and check the disk space information:

#Mysql shrink database how to

How to check the current size of database files In general, shrinking a SQL Server database is most effectively used to downsize a database file size after operations that have resulted in a very large amount of unused space such is DROP and TRUNCATE table operations. After substantial changes in a table’s data types.Nevertheless, there are some critical situations where it is considered as the only valid or applicable solution: Many SQL Server experts advise against SQL Server database shrinking, especially as a frequent and pre-scheduled maintenance action. When to perform SQL Server database shrink The shrinking process is always moving in that specific direction, from the end of the file towards the front. With this, data pages at the end of the data file (that are now unused) can be reallocated back to the system, freeing the previously reserved space as a result.

#Mysql shrink database free

SQL Server performs this process by moving pages of data from the end of the database file to the front of it (as if in a book), filling up free space in the front pages and freeing pages closer to the end of the data file. Shrinking a SQL Server database is a process in which unused space that was previously in use at some point is being removed from the database. From time to time, DBAs find themselves in a situation where a SQL Server database becomes too large for their production environment and needs to be shrunk in size in order to free space and allocate it back to the system.īefore shrinking a SQL Server database or database files, it is very important to understand how the process works and what are the immediate consequences of the shrinking process.