This is very Different from the conventional database management system because of some unique features it provides. Inheritance, non-atomic value and time travel, transactions, Multiversion concurrency Control, transactions make Postgre SQL very useful to the users. This is the oldest RDBMS in existence. It has wide subsets to make any RDBMS very powerful.
Brilliant Features :
• Object oriented DBMS
• Table level locking
• All the backend features like trigger, constraints etc.
• Less backend startup time
• High speed of coding
• Supports SQL constructs & transactions
Additional Features:
• Primary key & foreign key
• Quote identifiers
• Type conversion
• Type casting
• Binary and hexadecimal input
• Additional data types like geometric type support
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