Postgres with TimescaleDB extension是指使用TimescaleDB扩展的PostgreSQL数据库管理系统。TimescaleDB是一个针对时序数据和分析应用的开源数据库扩展,它可以提高PostgreSQL的查询性能、降低存储空间占用,并提供一些便利的功能1。时序数据是指随时间变化的数据,例如温度、股票价格、网络流量等。时序数据通常具有高频率、大...
psql -U postgres -h localhost Copy At the psql prompt, create an empty database. Our database is called tsdb: CREATE database tsdb; Copy Connect to the database you created: \c tsdb Copy Add the TimescaleDB extension: CREATE EXTENSION IF NOT EXISTS timescaledb; Copy Check that ...
TimescaleDB is an open-source database designed to make SQL scalable for time-series data. It is engineered up from PostgreSQL, providing automatic partitioning across time and space (partitioning key), as well as full SQL support.TimescaleDB is packaged as a PostgreSQL extension. All code is...
-- Create the database, let's call it 'tutorial'CREATE database tutorial;-- Connect to the database\c tutorial-- Extend the database with TimescaleDBCREATE EXTENSION IF NOT EXISTS timescaledb CASCADE;-- Connecting to the new database is as simple as:-- psql -U postgres -h localhost ...
docker exec -it timescaledb psql -U postgres -- Create the database, let's call it 'tutorial' CREATE database tutorial; -- Connect to the database \c tutorial -- Extend the database with TimescaleDB CREATE EXTENSION IF NOT EXISTS timescaledb CASCADE; ...
echo "CREATE EXTENSION IF NOT EXISTS timescaledb SCHEMA yourschema CASCADE;" | sudo -u postgres psql zabbix 然后在database/postgresql 库中运行timescaledb.sql脚本 。对于新安装的数据库,必须在使用chema/data 创建常规 PostgreSQL 数据库后运行脚本 (详见database creation): ...
shared_preload_libraries = 'timescaledb' # (change requires restart) #将'timescaledb' 填入此项配置中,且去掉# ... docker restart postgres11_timescaledb 4.通过sql安装插件: docker exec -it postgres11_timescaledb bash su - postgres psql create extension if not exists timescaledb;...
postgres /opt/apps/postgresqlchown-Rpostgres:postgres /opt/apps/postgresql-14#8.切换至postgres用户进行数据库初始化su- postgres#9.初始化数据库initdb-D$PGDATA-Upostgres--locale=en_US.UTF8-EUTF8#Success. You can now start the database server using:# pg_ctl -D /opt/apps/postgresql/data -l...
postgres=# create database jemdb; CREATE DATABASE postgres=# \c jemdb You are now connected to database "jemdb" as user "postgres". 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. ✨ 5.2 创建插件 1.创建插件 CREATE EXTENSION IF NOT EXISTS timescaledb; ...
CREATE EXTENSION tablefunc; INSERT INTO devices(time, cpu_usage, disk_usage) SELECT time, normal_rand(1,70,10) AS cpu_usage, normal_rand(1,2,1) * (row_number() over()) AS disk_usage FROM generate_series(1,10000) AS time;