Downloads - PostgreSQL
2 天之前 · Source code. The source code can be found in the main file browser or you can access the source control repository directly at git.postgresql.org.Instructions for building from source can be found in the documentation. Beta/RC Releases and development snapshots (unstable)
PostgreSQL: The world's most advanced open source database
2 天之前 · The PostgreSQL mailing lists enable you to interact with active community participants on subjects related to the development of PostgreSQL, discovering how to use PostgreSQL, or learning about upcoming events and product releases.. In order to manage your mailing list subscription, you need a PostgreSQL community account. Signing up is easy and gives you direct access to the global PostgreSQL ...
PostgreSQL: Documentation: 17: Chapter 8. Data Types
2024年11月14日 · PostgreSQL has a rich set of native data types available to users. Users can add new types to PostgreSQL using the CREATE TYPE command.. Table 8.1 shows all the built-in general-purpose data types. Most of the alternative names listed in the “ Aliases ” column are the names used internally by PostgreSQL for historical reasons. In addition, some internally used or deprecated types are ...
PostgreSQL: Documentation: 17: psql
2024年9月26日 · \da[S] [ pattern] # Lists aggregate functions, together with their return type and the data types they operate on. If pattern is specified, only aggregates whose names match the pattern are shown. By default, only user-created objects are shown; supply a pattern or the S modifier to include system objects. \dA[+] [ pattern] # Lists access methods.
9.4. String Functions and Operators - PostgreSQL
2024年11月14日 · This section describes functions and operators for examining and manipulating string values. Strings in this context include values of the types character, character varying, and text.Except where noted, these functions and operators are declared to accept and return type text.They will interchangeably accept character varying arguments. Values of type character will be converted to text ...
Chapter 25. Backup and Restore - PostgreSQL
2024年11月14日 · As with everything that contains valuable data, PostgreSQL databases should be backed up regularly. While the procedure is essentially simple, it is important to have a clear understanding of the underlying techniques and assumptions.
PostgreSQL 17.1 Documentation
2024年11月14日 · Submit correction. If you see anything in the documentation that is not correct, does not match your experience with the particular feature or requires further clarification, please use this form to report a documentation issue.
About - PostgreSQL
2024年11月14日 · About What is PostgreSQL? PostgreSQL is a powerful, open source object-relational database system that uses and extends the SQL language combined with many features that safely store and scale the most complicated data workloads.
Linux downloads (Ubuntu) - PostgreSQL
2024年11月14日 · Linux downloads (Ubuntu) PostgreSQL is available in all Ubuntu versions by default. However, Ubuntu "snapshots" a specific version of PostgreSQL that is then supported throughout the lifetime of that Ubuntu version.
Linux downloads (Red Hat family) - PostgreSQL
2 天之前 · Post-installation. Due to policies for Red Hat family distributions, the PostgreSQL installation will not be enabled for automatic start or have the database initialized automatically.