有关语法约定的详细信息,请参阅 Transact-SQL 语法约定。 * SQL Server * SQL 托管实例 分析平台系统(PDW) SQL Server 备份完整的 SQL Server 数据库以创建数据库备份,或者备份数据库的一个或多个文件或文件组以创建文件备份 (BACKUP DATABASE)。 另外,在完整恢复模式或大容量日志恢复
Introduced in SQL Server 2022 (16.x). Back up a group of databases. Uses snapshot backup. Requires WITH METADATA_ONLY. See Create a Transact-SQL snapshot backup. SERVER Introduced in SQL Server 2022 (16.x). Back up all databases on an instance of SQL Server. Uses snapshot backup. Req...
Applies to: SQL Server This article describes how to create a full database backup in SQL Server using SQL Server Management Studio, Transact-SQL, or PowerShell. For more information, see SQL Server Backup and Restore with Azure Blob Storage and SQL Server Backup to URL. Limitations and ...
param( [Parameter(Mandatory=$false)] [string] $InstanceName = "MSSQLSERVER" ) if ($InstanceName -eq "MSSQLSERVER") { $fullInstance = $env:COMPUTERNAME # In case it is the default SQL Server Instance } else { $fullInstance = $env:COMPUTERNAME + "\" + $InstanceName # In case of ...
Learn about compression of SQL Server backups, including restrictions, performance trade-offs, Configuring backup compression, and the compression ratio.
This is still true in SQL Server 2014 - you cannot restore a 2014 backup on anything other than another 2014 box (or something newer). You can either get around this problem by: using the same version of SQL Server on all your machines - then you can easily backup/restore databases...
Backing Up and Restoring Databases in SQL Server Backup Overview (SQL Server) Backup Under the Simple Recovery Model Backup Under the Full Recovery Model Backup Under the Bulk-Logged Recovery Model Introduction to Backup and Restore Strategies in SQL Server Creating Full and Differential Backups of ...
由于数据库完全备份是时间点数据的完整拷贝,每个数据库完整备份相互独立,而多个事务日志备份是通过事务日志链条连接在一起,事务日志链起点于完全备份,SQL Server中的每一个事务日志备份文件都拥有自己的FirstLSN和LastLSN,FirstLSN用于指向前一个事务日志备份文件的LastLSN;而LastLSN指向下一个日志的FirstLSN,以此来建立...
* SQL Server * SQL 托管实例 分析平台系统(PDW) SQL Server 备份完整的 SQL Server 数据库以创建数据库备份,或者备份数据库的一个或多个文件或文件组以创建文件备份 (BACKUP DATABASE)。 另外,在完整恢复模式或大容量日志恢复模式下备份数据库事务日志以创建日志备份 (BACKUP LOG)。 语法 syntaxsql 复制 ...
In SQL Server 2016 and later versions, you can use XEventbackup_restore_progress_traceto track the progress of backup and restore operations. You can use thepercent_completecolumn ofsys.dm_exec_requeststo track the progress of in-flight backup and restore operations. ...