Posted On: Feb 22, 2018
It is a free open source GUI tool PostgreSQL database administration tool for Windows, Mac OS X, and Linux system. It is used for information retrieval, development, testing, and ongoing maintenance of Databases.
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The SQL standard is defined by four levels of transaction isolation basically regarding three phenomena. The three phe..
MVCC or better known as Multi-version concurrency control is used to avoid unwanted locking of the database. The time ..