Postgres log utility has to say that Postgres logs (pg_log, similar to the oracle alter file, rather than pg_xlog) are indeed flexible and feature-rich, the following are some management functions using ipvs logs. The parameters involved are in the
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Github.com/lib/pq
PG is a pure go write driver of the Postgres database. The author gave us a little joke, the PQ will always be habitually written PG there is no ...
Original linkDeepgreen DB full name Vitesse Deepgreen DB, a scalable, massively parallel (often called MPP) data warehousing solution that originates from an open source Data Warehouse Project Greenplum DB (often referred to as GP or gpdb). So
BackgroundPostgreSQL logical backup, refers to online backup database data, DDL output as SQL statements, data can be in the form of SQL statements or fixed separators (row format) output.
The backup does not affect the DML operation of the Backup
Source: amutu. comblog201306hive-metastore-db-postgresqlHIVE metadata uses derby as the storage DB by default, derby as the lightweight DB, it is more convenient to use in the development and testing process, but in the actual production environment,
In Oracle, deleting a table or deleting a table record; There is a flashback feature that does not require a stop operation and can perfectly retrieve the record. There are, of course, some other recovery tools, such as ODU tools, Gdul tools. can
Use CreateUser to create a user[Plain]View Plaincopyprint?
[Email protected] ~]$/data/pgsql/bin/createuser--help
CreateUser creates a new PostgreSQL role.
Usage:
CreateUser [OPTION] ... [ROLENAME]
Options:
-C,--connection-limit=n
0, password file:
Before giving other PostgreSQL client commands, we need to introduce the password file in PostgreSQL. The file is explained here in advance because we are applying the file in a lot of the following sample code to ensure that our
one of the ways that PostgreSQL master-slave replication is implemented:Standby-based asynchronous stream replication, which is a nice feature provided after the postgresql9.x version (2010.9), similar functionality is available in Oracle after 11g
Tablespace: The physical space in which tables are stored is literally understood, including tables, indexes, sequences, etc. of the database.Table spaces can be created on different partitions of the server, and the benefits are:One, if the
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