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Block contention

In database management systems, block contention (or data contention) refers to multiple processes or instances competing for access to the same index or data block at the same time. ^[1]

4 relations: Block (data storage), Busy waiting, Record locking, Reverse index.

Block (data storage)

In computing (specifically data transmission and data storage), a block, sometimes called a physical record, is a sequence of bytes or bits, usually containing some whole number of records, having a maximum length; a block size.

See Block contention and Block (data storage)

Busy waiting

In computer science and software engineering, busy-waiting, busy-looping or spinning is a technique in which a process repeatedly checks to see if a condition is true, such as whether keyboard input or a lock is available.

See Block contention and Busy waiting

Record locking

Record locking is the technique of preventing simultaneous access to data in a database, to prevent inconsistent results.

See Block contention and Record locking

Reverse index

Database management systems provide multiple types of indexes to improve performance and data integrity across diverse applications.

See Block contention and Reverse index

References

[1] https://en.wikipedia.org/wiki/Block_contention

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