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What is Page?


Both on disk and in memory, database data is stored as a consecutive byte blocks with same size. Each block is called a page. Normal page size are 4KB, 8KB, 16KB bytes. Data I/O operation is performed on the unit of pages. Most of the time, database can't hold all data in the memory, thus it employs a buffer pool to maintain a list of active pages based on LRU. The buffer pool swaps the pages continuously based on the access pattern, a process known as page-in, page-out.

Safer and faster database change and version control for DBAs and Developers

Bytebase is an open source, web-based database schema change and version control tool for teams. It offers a web-based collaboration workspace to help DBAs and Developers manage the lifecycle of application database schemas.