. a lossless decomposition of r is r1 and r2 . properties of pjnf (project-join normal form) / 5nf a database table r is present in 5nf if and only if the following conditions are met: in 4nff, r should be (no multi-valued dependency exists). unable to undergo lossless ...
Buffering of Blocks | DBMS Schedule and Its Types in DBMS Lock-Based Protocol in DBMS Concurrency and Problems Due to Concurrency in DBMS DBMS | Concurrency Control and Various Methods of Concurrency Control Lossless Decomposition in DBMS Data Replication in DBMS...
Controls database redundancy:It can control data redundancy because it stores all the data in one single database file and that recorded data is placed in the database. Data sharing:In DBMS, the authorized users of an organization can share the data among multiple users. ...
A NoSQL database is an approach to design such databases that can accommodate a wide variety of data models. NoSQL stands for "not only SQL." It is an alternative to traditional relational databases in which data is placed in tables, and data schema is perfectly designed before the databas...