postgres show queries

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

"Editor's note" as an open source object-relational database, Postgres has been loved by many developers. Recently, Postgres officially released version 9.5, which has been a lot of repair and functional improvements. This article will share 10

First, restore disk space: In PostgreSQL, data rows that are deleted or updated using the Delete and UPDATE statements are not actually deleted, but only the state of the row is deleted or expired on the physical address of the old version of the

I. restore disk space In PostgreSQL, the data rows deleted or updated using the delete and update statements are not actually deleted, the physical address of the old data row sets the row status to deleted or expired. Therefore, when data in a

Implement PostgreSQL failover in CentOS 6.5 Pgpool-II is an intermediate component that works between the PostgreSQL multi-server and the PostgreSQL Data Warehouse client. It provides the following functions: Connection Pool: pgpool-II is used to

apache|web| Data | Database sender: xiaoning (I want to fly), letter area: Linux Title: Apache+php3+postgresql as a web-based database platform for Ann Letter station: BBS Water Wood Tsinghua Station (Thu 20 16:00:28 2000) The following describes

The following will illustrate the use of Apache+php3+postgresql as a web-based database platform for installation and configuration methods. More about Apache, PHP3, and PostgreSQL can be found in the software's accompanying documentation, Linux

In this chapter, you will be presented with a new technology to become a BDR. Two-way Replication (BDR), in the world of PostgreSQL, it is definitely a rising star. In the near future, many new things will be seen, and people can expect a thriving

1. EnvironmentOS: CentOS release 6.4 (Final) db:postgresql 9.3.6pgpool server: Pgpool 172.16.0.240 database master server: Master 172.16.0.241 database from server: Slave 172.16.0.242where the master-slave database uses the stream replication and

PostgreSQL tutorial (14): database maintenance, postgresql tutorial I. Disk Space Restoration: In PostgreSQL, the data rows deleted or updated using the delete and update statements are not actually deleted, the physical address of the old data row