postgresql show table 文心快码 在PostgreSQL中,虽然没有直接的SHOW TABLES命令,但你可以通过多种方式查看数据库中的表列表。以下是几种常用的方法: 使用psql命令行工具的\dt命令: 如果你正在使用psql(PostgreSQL的交互式终端),你可以简单地使用\dt命令来列出当前数据库中所有公共模式的表。这是最直接和常用的方法。
Answers to this question may be found in a lot of places. I will just repeat them here. The PostgreSQL way If you're using thepsqlcommand-line utility, then try thedtbuilt-in command. Mnemonic rule:dt = Describe Table. 1 2 3
Summary Use the \dt or \dt+ command in psql to show tables in a specific database. Use the SELECT statement to query table information from the pg_catalog.pg_tables catalog.PreviousPostgreSQL Show Databases NextPostgreSQL Describe Table
v_constraint_comment_record record;BEGIN-- grab the oid of the table; https://www.postgresql.org/docs/8.3/catalog-pg-class.htmlSELECTc.oid, c.relkindINTOv_table_oid, v_table_typeFROMpg_catalog.pg_class cLEFTJOINpg_catalog.pg_namespace nONn.oid=c.relnamespaceWHEREc.relkindin('r','p...
1、相当与mysql的show databases; select datname from pg_database; 2、相当于mysql的show tables; SELECT table_name FROM information_schema.tables WHERE table_schema = 'public'; public 是默认的schema的名字 3、相当与mysql的describe table_name; ...
在mysql 中show create table 可以直接查询表的create sql 语句,在postgreSQL 没有这个命令,所以通过function 来实现,代码如下: 前提 定义一个公用的函数:findattname CREATE OR REPLACE FUNCTION findattname(namespace character varying, tablename character varying, ctype character varying) ...
postgresql的show databases、show tables、describe table操作 2017-05-14 13:26 −... wzzkaifa 0 9152 v-show 指令 2019-12-12 21:24 −<div id="app"> <p v-show="num==1">您是普通会员1</p> <p v-if="num==1">您是普通会员2</p> <p v-else>您是游客</p> </div... ...
Exiting PostgreSQL's psql command line Query-Based table creation in BigQuery Trimming spaces in Excel & Google Sheets BigQuery data exporting techniques MongoDB LIKE statement usage Adding columns in BigQuery Business intelligence What is a business intelligence platform ...
接下来的主题则是一个供PostgreSQL数据库查询当前执行中sql的执行计划的模块—pg_show_plans，它可以动态查找当前正在执行中的sql的执行计划。pg_show_plans 是一个显示所有当前运行的SQL语句的查询计划的模块。它在plan结束位置, 截获并存储当前plan tree. 从而其他会话可以打印存储的plan tree。此模块支持从9.5到12...
[postgres@t1ysl contrib]$ gitclonehttps://github.com/cybertec-postgresql/pg_show_plans.git Cloning into'pg_show_plans'... remote: Enumerating objects: 70,done. remote: Counting objects: 100% (2/2),done. remote: Compressing objects: 100% (2/2),done. ...