1.PostgreSQL 9.1 and below: SELECT pg_terminate_backend(pg_stat_activity.procpid) FROM pg_stat_activity WHERE pg_stat_activity.datname = 'TARGET_DB' AND procpid <> pg_backend_pid(); PostgreSQL 9.2 and above: SELECT pg_terminate_backend(pg_stat_activ…
TL;DR: Don't ever set fsync=off, don't kill -9 the postmaster then deletepostmaster.pid, don't run PostgreSQL on network file systems. Reports of database corruption on the PostgreSQL mailing list are uncommon, but hardly rare. While a few data corru…
http://www.linuxask.com/questions/drop-a-database-in-mongodb Drop a database in MongoDB Answer: Assuming you are going to drop the `test` database in MongoDB, follow the steps below to drop (delete) it. > use test switched to db test > db.dropDataba…
pg_dump dumps a database as a text file or to other formats. Usage: pg_dump [OPTION]... [DBNAME] General options: -f, --file=FILENAME output file or directory name -F, --format=c|d|t|p output file format (custom, directory, tar, plai…
转自:https://blog.yugabyte.com/distributed-postgresql-on-a-google-spanner-architecture-query-layer/ Our previous post dived into the details of the storage layer of YugaByte DB called DocDB, a distributed document store inspired by Google Spanner. This…
One of the most powerful features of PostgreSQL is its support for user-defined functions written in various programming languages, including pure SQL, C, Perl, Python, and PHP. Perhaps the most common programming language for PostgreSQL functions, h…
kali linux 系列教程之metasploit 连接postgresql可能遇见的问题 文/玄魂 目录 kali linux 下metasploit 连接postgresql可能遇见的问题................................ 1 前言............................................................................................................... 1…
Before we can even begin to decide on a processor count, we need a baseline. With a working PostgreSQL server to base our numbers on, we can just use the amount of existing users during a busy period. Without that, we need to guess. This guess can ac…
PostgreSQL Performance Monitoring Tools https://github.com/CloudServer/postgresql-perf-tools This package includes three useful scripts aimed to help to pinpoint performance issues on systems with PostgreSQL as database backend. All scritps are writt…
postgres-toolkit A collection of scripts and utilities to manage PostgreSQL servers. Allows DBA to perform complicated tasks with single commands. Focusing on frequent tasks for PostgreSQL DBA to improve their productivity and quality of operations.…
PostgreSQL Insight Monitor pgstat pgstat 是一个连接到数据库并获取数据库的活动状态的命令行工具. PostgreSQL有许多状态: archiver for pg_stat_archiver bgwriter for pg_stat_bgwriter connection for connections by type database for pg_stat_database table for pg_stat_all_tables tableio f…
参考:http://www.asp.net/mvc/tutorials/getting-started-with-ef-5-using-mvc-4/creating-an-entity-framework-data-model-for-an-asp-net-mvc-application Create The Contoso University Web Application Contoso University sample web applicatioin 是一个使用MVC4 & EF5…
SQL Server database administrators may frequently need in especially development and test environments instead of the production environments to kill all the open connections to a specific database in order to process SQL Server maintenance task ov…
PostgreSQL相关的软件,库,工具和资源集合. 备份 wal-e - Simple Continuous Archiving for Postgres to S3, Azure, or Swift by Heroku Barman - Backup and Recovery Manager for Postgres by 2ndQuadrant GUI pgAdmin - Postgres Administration and Management GUI phpPgAdmin - The…
First: If your install isn't already damaged, you can drop unwanted PostgreSQL servers ("clusters") in Ubuntu using pg_dropcluster. Use that in preference to a full purge and reinstall if you just want to start with a freshly initdb'd PostgreSQL…
