database blockの例文
- A database file consists of up to 224M ( 276, 168, 704 ) database blocks.
- A database block is a multiple of 512 bytes, with a maximum size of 65, 024 bytes.
- The default configuration of PostgreSQL uses only a small amount of dedicated memory for performance-critical purposes such as caching database blocks and sorting.
- Unlike the database where global variable nodes must fit within a database block, local variable strings can grow to 1MB . The GT . M run-time provides dynamic storage allocation with garbage collection.
- Commonly used block sizes are 4KB, 8KB and 16KB-so, with an 8KB block size, an individual global variable can grow to 1, 792GB . A global variable node ( global variable, subscripts plus value ) must fit in one database block and each block has a 16 byte overhead.