CREATE UNIQUE INDEXindexNameON tableName (columnNames); Backup a database(command line) pg_dumpdbName>dbName.sql Backup all databases(command line) pg_dumpall > pgbackup.sql Run a SQL script(command line) psql -f script.sqldatabaseName Search using a regular expression SELECT column FROM tab...
With this PostgreSQL cheat sheet, you'll have a handy reference guide to basic querying tables, filtering data, and aggregating data
(array)string_to_arrayArray Operators=>Math FunctionsThis is a subsetabscbrtceilingdegreesexpfloorloglnmodpipowerradiansrandomsqrttruncTrig Functionsacosasinatanatan2coscotsintanCommand Linepg_dumppg_dumpallpg_restorepsqlJOIN TypesCROSS JOINEXCEPT (ALL)FULL JOIN[INNER] JOININTERSECT (ALL)LEFT JOIN...
转:PostgreSQLCheat Sheet PostgreSQLCheat Sheet CREATE DATABASE CREATE TABLE (with auto numbering integer id) Add a primary key Create an INDEX Backup a database (command line Read More PostgreSQL cheatsheet sql postgresql 转载 mb5ff2f2755a961 ...
Cheat Sheet: Configuring Streaming Postgres Synchronous Replication Thomas Munro · May 10, 2017 Streaming replication in PostgreSQL can be asynchronous or synchronous. The Postgres synchronous replication option provides greater data protection in case of disaster, or if a server or data center goes dow...
If you’d like to learn more about SQL and how to use it to manage a relational database, we encourage you to refer to ourHow To Manage an SQL Databasecheat sheet. On the other hand, if you’d like to learn about non-relational (or NoSQL) databases, check ...
ALTER TABLEtableNameADD PRIMARY KEY (id); Create an INDEX CREATE UNIQUE INDEXindexNameON tableName (columnNames); Backup a database(command line) pg_dumpdbName>dbName.sql Backup all databases(command line) pg_dumpall > pgbackup.sql
With the help of the next command reload PostgreSQL Server:./pg_ctl -D /opt/PostgreSQL/9.1/data reload Post navigation PostgreSQL String Functions – Cheat Sheet How to Backup PostgreSQL to Amazon S3 Leave a Reply Your email address will not be published. Required fields are marked * ...
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ERROR: type "geography" does not exist LINE 1: ...CHARACTER(2), country_code CHARACTER(2), location GEOGRAPHY(... ^ Create and connect to the database first and then "CREATE EXTENSION postgis;" [Potential Pitfall]: the command "INSERT INTO ski_resorts ...;" gives the following err...