SQL Server tutorial 78

謹慎使用BACKUP DATABASE TO DISK = 'NUL' 可調整為BACKUP DATABASE TO DISK = 'NUL' WITH COPY_ONLY 警告：謹慎使用於 Production 生產環境

The trick here is to take backup on NUL device. It's not a typo and there is no missing L in NUL. It is called as “NULL Device”.

What I Do In order to manage the transaction log size I run a log backup every 15 minutes to backup the log file to NUL as below. BACKUP LOG [ ...

搭配 BACKUP LOG 使用時， COPY_ONLY 選項會建立「僅複製記錄備份」，這不會截斷交易記錄。 僅複製記錄備份不會影響記錄檔鏈結，而且其他記錄備份的行為會如同僅複製備份並不 ... 選取產品 · SQL Server

This article describes how to back up a transaction log in SQL Server by using SQL Server Management Studio, Azure Data Studio, Transact-SQL, or PowerShell. Limitations · Recommendations

NUL is basically a location you can send a backup to. In fact, one of the awesome bonuses of this location is that your backup will take up exactly 0 bytes of ...

You can use this command: BACKUP Log sandbox2 TO DISK = N'nul'. This will run a backup, and discard all of the backup data.

A full backup only backs up a small portion of the transaction log so that the data in the backup is in a consistent state. It doesn't truncate ...

NUL is basically a location you can send a backup to. In fact, one of the awesome bonuses of this location is that your backup will take up exactly 0 bytes of ...

The thing to remember is that while your backup data goes nowhere, SQL Server still recognises it as a 'valid' backup. So if you are performing ...