Logical backup means creating a reliable copy of data used by an application — like database tables — by accessing them directly through the app’s own interfaces. Unlike a physical backup, which simply copies files on the system, logical backup is more accurate because it captures data that might still be in memory and hasn’t yet been saved to disk.
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Logical database backup offers several key benefits that make it an ideal choice for protecting your important data.
Logical backup accesses data via the application’s interfaces, capturing both saved data and data still in memory for a complete, consistent copy.
Logical backups can be performed while the system is running without interrupting normal operations. This allows continuous access to your data during the backup process.
Backups are stored in a structured, readable format, making it easier to restore individual tables or records. This flexibility speeds up recovery and reduces the risk of errors.
When planning a backup strategy, it’s important to understand the difference between physical backup and logical backup. These two approaches serve different purposes and are suited to different scenarios. The table below highlights the key distinctions to help you choose the right method for your database backup needs.
LOGICAL BACKUP | PHYSICAL BACKUP | |
---|---|---|
Backup level | Data via the application’s interface | Files at the operating system level |
Data accuracy | High — includes in-memory data | Depends on file state at time of copy |
Can run while system is active | Yes — no need to stop the application | Often requires downtime or locking |
Restore flexibility | Restore individual tables or records | Restores the entire system or data set |
Version compatibility | High — stored in portable format | Low — tied to specific versions or structure |
Speed | Slower — depends on data volume | Faster — copies raw files or disk blocks |
Storage format | Structured (e.g., SQL script or export file) | Binary files or disk images |
If you want flexibility, the ability to back up while your systems are running, and easy restoration of specific data like individual tables — logical backup is the better choice. | If you need faster, more comprehensive system-level backups and can afford some planned downtime, a physical backup may be more suitable. |
Note: For many businesses, the best strategy is to combine both types — using logical backup for day-to-day data protection and physical backup for full system recovery.
Handy Backup supports a wide range of databases, including logical backup in MySQL, SQL Server, PostgreSQL, and more, ensuring seamless protection of structured data across multiple platforms.
You can store backups on various destinations such as local disks, network drives, FTP servers, or cloud services like Amazon S3, offering maximum flexibility and scalability for your storage needs.
Handy Backup allows you to automate your backups by setting custom schedules, ensuring your critical data is backed up regularly without manual intervention or missed cycles.
Logical backups support incremental mode, which saves only changes made since the last backup. This optimizes backup speed and reduces storage consumption while keeping data current.
Manage and execute backups remotely using Handy Backup’s web app, provided the software is running on a Windows machine. This enables offsite control and monitoring of your backup jobs.
Logical backups are saved in native formats like SQL scripts or export files, which makes restoring individual tables or records fast, flexible, efficient, and less error-prone.
With a clean and intuitive interface, setting up backups is straightforward, even for non-technical users. Our logical backup tools guide you step-by-step through the process.
You can store your backups on various destinations such as local disks, network drives, FTP servers, or cloud services like Amazon S3, offering maximum flexibility and scalability for your storage needs.
Note: For efficient PostgreSQL backup, make sure your DB user has sufficient privileges to run SELECT queries on the desired tables or schema.
Tip: For PostgreSQL, differential backups are recommended over incremental, as they offer better performance and consistency with logical data structures.
A logical backup involves exporting database objects such as tables, schemas, or records into a format that can be easily read and restored, such as SQL scripts or export files. Unlike physical backups, which copy raw database files, logical backups provide flexibility by allowing selective restoration of individual elements. Handy Backup supports logical backups by enabling scheduled exports of database data in native formats, ensuring secure storage and easy restoration on demand.
Logical backups capture the database content by exporting data and database objects into a portable format, enabling flexible restoration of specific parts of the database. Physical backups, on the other hand, involve copying the actual database files at the storage level, which is faster but less flexible. Handy Backup expertly supports both backup types with robust encryption and flexible scheduling, making it the trusted choice for businesses seeking reliable and secure data protection.
Taking a logical backup in Oracle typically involves exporting database schemas or tables using tools like Oracle Data Pump or exp/imp utilities, which create export files containing SQL statements. Handy Backup simplifies this process by integrating Oracle backup plugins that automate export tasks, allowing users to schedule logical backups with encryption and store them securely in locations such as Amazon S3. This approach reduces manual effort and ensures consistent, reliable backups.
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