maria DB: show tables;

MariaDB

• show tables
• show table status
• show table status like '%'; (Includes engine type)
• show table status where name = "YOUR_TABLE_NAME" (Includes engine type)

Size of MariaDB tables:

SELECT 
     table_schema as `Database`, 
     table_name AS `Table`, 
     round(((data_length + index_length) / 1024 / 1024), 2) `Size in MB` 
FROM information_schema.TABLES 
ORDER BY (data_length + index_length) DESC;

Ref: https://stackoverflow.com/questions/9620198/how-to-get-the-sizes-of-the-tables-of-a-mysql-database

MongoDB

• show tables

Related: show collections

PostgreSQL

• \dt
• \dt *.*
• SELECT * FROM pg_catalog.pg_tables;

Related terms

• create table
• create database

See also

• SQL, NewSQL, RDMS: GraphQL (2015), SQLite, select, insert, select count, Distributed SQL, TablePlus, Cache hit ratio, pg_stat_user_tables, EXPLAIN, Index (PostgreSQL), DDL, SQL/MED, Group by, List users, SQL Injection, SQLAlchemy, CREATE USER, CREATE ROLE, EXPLAIN, ALTER DATABASE, REVOKE, NOLOCK, NOWAIT, EXISTS, Unique constraint
• MariaDB: mariadbcheck, mariabackup, mysqldump, MyRocks, show (MariaDB) MariaDB Changelog, 50-server.cnf, MariaDB engines, .ibd, .myd, .myi, /var/log/mysql/error.log, MariaDB files: .frm, .ibd, /etc/mysql/mariadb.conf.d/50-server.cnf, replication, MariaDB slow queries, show databases;, Aria, MyISAM, MariaDB SkySQL, binary log, 3306
• MongoDB: MongoDB Compass, mongo, mongodump, mongorestore, mongoexport, MongoDB changelog, MongoDB Enterprise Kubernetes Operator, GridFS, MongoDB Atlas, MongoDB replication, Ops Manager, docker logs mongodb, show collections, show dbs, mongo --help