How to show all Databases in MySQL?
Run the following query to show list of databases: SHOW DATABASES; You can run this statement from MySQL Command Line Client, MySQL Shell, as well as from any GUI tool that supports SQL—for example, dbForge Studio for MySQL. MySQL returns the results in a table with one column—Database.To view a list of databases on an instance of SQL Server

  1. In Object Explorer, connect to an instance of the SQL Server Database Engine, and then expand that instance.
  2. To see a list of all databases on the instance, expand Databases.

To check the sizes of all of your databases, at the mysql> prompt type the following command: Copy SELECT table_schema AS "Database", ROUND(SUM(data_length + index_length) / 1024 / 1024, 2) AS "Size (MB)" FROM information_schema.

How to show all the table in MySQL : On opening the MySQL Command Line Client, enter your password. Select the specific database. Run the SHOW TABLES command to see all the tables in the database that has been selected.

How to SELECT databases in MySQL

For this, use the following command: mysql> SELECT database(); Important: If you see NULL in the result of this command, no database is currently selected.

How to check current database in MySQL : MySQL DATABASE() Function

The DATABASE() function returns the name of the current database. If there is no current database, this function returns NULL or "".

  1. You can easily locate your MySQL databases details by opening Websites → Manage, searching for Databases Management on the sidebar and clicking on it:
  2. Once there, scroll down to your desired database, and the details will be shown right under MySQL Database and MySQL User.
  3. The host for all databases is localhost.


Get a list of database files with size for all databases in SQL Server:

  • sys. master_files DMV returns the database files in detail with the current size of each file.
  • master_files system object will return details for each database of the SQL Server instance.

How to check database size in SQL

If you need to check a single database, you can quickly find the SQL Server database sizein SQL Server Management Studio (SSMS): Right-click the database and then click Reports -> Standard Reports -> Disk Usage. Alternatively, you can use stored procedures like exec sp_spaceused to get database size.In order to use the SQL SELECT statement in MySQL Workbench, we need to follow the following steps:

  1. Open the MySQL Workbench.
  2. Connect to the MySQL server.
  3. Create a database.
  4. Create a table.
  5. Insert data into the table.
  6. Run the SQL SELECT statement.
  7. View the result-set.

The easiest way to find all tables in SQL is to query the INFORMATION_SCHEMA views. You do this by specifying the information schema, then the “tables” view. Here's an example. SELECT table_name, table_schema, table_type FROM information_schema.

SHOW databases using SQL Command

  1. SELECT * FROM sys.databases;
  2. SELECT name, database_id, create_date FROM sys.databases;
  3. EXEC sp_databases;
  4. SELECT name, database_id, create_date FROM sys.databases WHERE name NOT IN ('master', 'tempdb', 'model', 'msdb');

How to get all database names in SQL query : Show Databases in SQL Server

You can run this query: SELECT name FROM sys. databases; This will show a list of database names.

How do I view tables in SQL : Show all tables in SQL Server database with dbForge Studio for SQL Server

  1. Select the desired database in the left pane.
  2. Expand the selected database to reveal its contents.
  3. Expand the Tables folder to display all tables within the database.

How do I find my database name

Step 1 — Find your database name

This can usually be found in the site's configuration file, but every application puts this in a different location. Consult your application's knowledge base for configuration file locations. Make a note of the database name.

Summary

Database Command
Oracle No equivalent
SQL Server SELECT name FROM sys.databases;
MySQL SHOW DATABASES; or SELECT schema_name FROM information_schema.schemata;
PostgreSQL SELECT datname FROM pg_database;

02.06.2023A database is always in one specific state. For example, these states include ONLINE, OFFLINE, or SUSPECT. To verify the current state of a database, select the state_desc column in the sys. databases catalog view or the Status property in the DATABASEPROPERTYEX function.

How to get the size of all database in SQL Server : How to Check SQL Server Database Size

  1. Launch Microsoft SQL Server Management Studio (SSMS).
  2. On the File menu, click “Connect Object Explorer”.
  3. Click “Connect”.
  4. Upon connection, click “New Query” and enter one of the following as the query:
  5. Click “Execute”.
  6. Review the output, as illustrated below.