SQL Differential Backup
Backup Software / Features / Full vs Differential SQL Backup
Differential SQL backup or full SQL backup? This question is interesting not only from the efficiency point of view. It is also very important for SQL database safety. With Handy Backup software, you can select full, differential or mixed full/differential backup for any type of SQL database engine!
Version 8.2.2, built on February 24, 2021 112 MB
SQL server full backup is a base for any kind of backup. A full backup task creates a complete copy, which saves all database content, regardless of how and when it was been saved before. With full backup you will easily restore a database in exactly the same form it was at the time of backup.
Most experts believe that full backup should be performed at least once a week (it is also quite comfortably because you just can do it every Friday at end of the week).
Note! Too frequent execution of the full backup procedure for large databases will lead to huge overload of servers and networks, and most importantly, requires a lot of free disk space. It also depends on how often you do a differential SQL backup.
SQL server differential backup based on the changes made since the last full backup to the present moment. The most attractive feature of this method is that you only need much less data to restore the database (you also definitely need a full backup to accomplish that).
Version 8.2.2, built on February 24, 2021. 112 MBBackup Software from Novosoft LLC. 249 USD per license.
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When we are talking about "Full vs Differential SQL backups", we should consider pros and cons:
You still have a need for full backup, so, you are dependent on the full backup procedure (in the case of a full backup you are not dependent on the presence or absence of the differential backups).
Simple to learn, the mixed differential backup method is a cycle of differential backup (described above) with a fixed length of repeats. After reaching the fixed quantity of differential backups, Handy Backup will repeat all cycle again, starting with new full backup.
You can select the length of a mixed differential backup chain by time interval (with repeating a full cycle when reaching some period) or by pre-selected quantity of differential backups in a row, including the basic full backup).
Handy Backup software can do any type of backup. It also has the special feature incremental backup. Incremental SQL backup keeps changes only you made since the previous backup (In simple words: do nothing and incremental backup will contain nothing).
Incremental backup for big databases is almost useless, as versioned differential backup allows saving many snapshots to recover it to some selected backpoint. Still, incremental backup is also time-consuming and bulky; therefore, we recommend you differential SQL backup instead!
To be mentioned: Among with traditional incremental backup, Handy Backup also provides a mixed incremental backup option.
In the next video, you will see how easy and comprehensible is to create a full SQL backup task, with adding a differential SQL backup in the same task by using a "mixed" mode and version control. It works in advanced mode, allowing using all task parameters and options step by step..
Note: This video uses an existing SQL connection. To create a new one, please select "Create a connection" on Step 2 after choosing "MSSQL", then enter the connection name, as well as MSSQL user login and password into appropriate fields of a setup dialog. Click OK, and then select a connection.
Enjoy one of the best software for full and differential SQL backup and recovery!
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