Every table has several system columns that are implicitly defined by the system. Therefore, these names cannot be used as names of user-defined columns

There are two kinds of indexes that can be used to speed up full text searches. Note that indexes are not mandatory for full text searching, but in cases where a column is

Because roles can own database objects and can hold privileges to access other objects, dropping a role is often not just a matter of a quick

NameCREATE OPERATOR -- define a new operator Synopsis

Databases are destroyed with the command DROP DATABASE:

Geometric data types represent two-dimensional spatial objects. Table 8-20 shows the geometric types available in PostgreSQL.

The parser stage consists of two parts: The parser defined in gram

This section covers implementation details and other tricks that are useful for implementers of SP-GiST operator classes to know.

NameROLLBACK TO SAVEPOINT -- roll back to a savepoint Synopsis

bloom provides an index access method based on Bloom filters