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postgresql common commands

Postgresql commonly used commands psql, createdb, dropdb, createuser, dropuser, \l, \c, \dt, \d table_name, \du, \i file_name, \e and \q, etc. This topic provides you with postgresql-related articles, downloads, and course content for everyone to download and experience for free.

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postgresql innodb Engine comparison mysql Query performance Database capacity planning

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postgresql common commands

What are the common commands in postgresql?

Postgresql commonly used commands psql, createdb, dropdb, createuser, dropuser, \l, \c, \dt, \d table_name, \du, \i file_name, \e and \q, etc. Detailed introduction: 1. psql is the command line interface tool of PostgreSQL. It allows users to connect to the database server and perform various database operations. Through psql, you can perform SQL queries, create and manage databases, tables, etc.

Oct 10, 2023 am 10:30 AM

postgresql

The difference between MySQL and PostgreSQL

In this article, we will understand the differences between MySQL and PostgreSQL. MySQL is a relational database management system. It is a product developed by Oracle Corporation. It supports Windows, MacOSX, Linux, BSD, UNIX, z/OS, Symbian, AmigaOS. Cannot be expanded. In this system, the phpMyAdmin tool provides the GUI. Mysqldump and XtraBackup provide backup in MySQL. It provides temporary tables. It does not provide materialized views. It does not provide DataDomain objects to the system. It does not provide DataDomain objects to the system. p>Post

Sep 08, 2023 am 10:33 AM

Storage engine comparison: InnoDB vs. PostgreSQL

Storage engine comparison: InnoDB vs. PostgreSQL Introduction: In the process of data storage and management, choosing the appropriate storage engine is crucial for data performance and consistency. This article will compare and analyze two popular storage engines: InnoDB and PostgreSQL. InnoDB: InnoDB is the default storage engine for MySQL database. It provides ACID (atomicity, consistency, isolation, and durability) characteristics and can meet the needs of most enterprise-level applications.

Jul 12, 2023 pm 08:32 PM

innodb postgresql Engine comparison

MySQL and PostgreSQL: How to optimize database query performance?

MySQL and PostgreSQL: How to optimize database query performance? Overview: Database query performance is an important consideration when developing applications. Good query performance improves application responsiveness and user experience. This article will introduce some methods to optimize database query performance, focusing on two commonly used databases, MySQL and PostgreSQL. Optimization of database indexes: Database indexes are an important factor in improving query performance. Indexes can speed up data search and reduce query scanning time.

Jul 12, 2023 pm 03:15 PM

mysql Query performance postgresql

Database capacity planning and scaling: MySQL vs. PostgreSQL

Database capacity planning and expansion: MySQL vs. PostgreSQL Introduction: With the rapid development of the Internet and the advent of the big data era, database capacity planning and expansion has become increasingly important. MySQL and PostgreSQL are two popular relational database management systems (RDBMS). They have different characteristics and applicable scenarios in database capacity planning and expansion. This article will compare the two databases and give some code examples to demonstrate their differences. 1. MySQ

Jul 12, 2023 pm 01:43 PM

mysql postgresql Database capacity planning