JSON Types

JSON data types are for storing JSON (JavaScript Object Notation) data, as specified in RFC 7159.

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UUID Type

The data type uuid stores Universally Unique Identifiers (UUID) as defined by RFC 4122, ISO/IEC 9834-8:2005, and related standards. (Some systems

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Range Types

Range types are data types representing a range of values of some element type (called the range's subtype). For instance, ranges of

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Geometric Types

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

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Object Identifier Types

Object identifiers (OIDs) are used internally by PostgreSQL as primary keys for various system tables. OIDs are not added to user-created tables

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Binary Data Types

The bytea data type allows storage of binary strings; see Table 8-6. Table 8-6. Binary

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Text Search Types

PostgreSQL provides two data types that are designed to support full text search, which is the activity of searching through a collection of

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Bit String Types

Bit strings are strings of 1's and 0's. They can be used to store or visualize bit masks. There are two SQL bit types: bit(n)

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Enumerated Types

Enumerated (enum) types are data types that comprise a static, ordered set of values. They are equivalent to the enum types supported in a number

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Date/Time Types

PostgreSQL supports the full set of SQL date and time types, shown in Table 8-9. The operations available

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