Can we change database name in MySQL?

If you’re using MySQL version 5.5 (or greater), you are likely using the InnoDB storage engine, which makes the task of renaming databases quite simple. In short, you can use the RENAME TABLE command within a MySQL prompt to effectively change the database name of a particular table while keeping the table name intact.

How do I alter a database in MySQL?

The syntax to modify a column in a table in MySQL (using the ALTER TABLE statement) is: ALTER TABLE table_name MODIFY column_name column_definition [ FIRST | AFTER column_name ]; table_name. The name of the table to modify.

How do I change the database name in MySQL workbench?

To do this, follow these steps:

  1. Log in to cPanel.
  2. In the DATABASES section of the cPanel home screen, click MySQL® Databases:
  3. Under Current Databases, locate the database you want to rename.
  4. In the Actions column, click Rename:
  5. In the New name text box, type the new name for the database:
  6. Click Proceed.

How do I rename an instance of a database?

Choose the DB instance that you want to rename. Choose Modify. In Settings, enter a new name for DB instance identifier. Choose Continue.

How do you change a database?

Set or change the database collation using SSMS

  1. In Object Explorer, connect to an instance of the SQL Server Database Engine, expand that instance, and then expand Databases.
  2. If you are creating a new database, right-click Databases and then select New Database.
  3. After you are finished, select OK.

How can I change SQL name?

Rename MySQL Column with the CHANGE Statement

Enter the following command in your MySQL client shell to change the name of the column and its definition: ALTER TABLE table_name CHANGE old_column_name new_col_name Data Type; You can change the data type of the column or keep the existing one.

How do you use alter database?


  1. Change the default character set for the emp database: MYDB.SCH1(USER)=> ALTER DATABASE emp SET DEFAULT CHARACTER SET LATIN9 ;
  2. Change the owner of the emp database: MYDB.SCH1(USER)=> ALTER DATABASE emp OWNER TO admin3 ;
  3. Rename the emp database: MYDB.SCH1(USER)=> ALTER DATABASE emp RENAME TO employees ;

How do I find MySQL database name?

mysql> show databases; Here is the output that displays all the databases. As you can see above, we have both databases, and we can get the current database name with the help of DATABASE() method.

How do you alter a database?

How To Alter Database in SQL Server Management Studio

  1. Step 1) Rename the Database. Right click on Database name. Click on ‘Rename’.
  2. Step 2) Enter the New Database Name. Database name will be editable. Enter the new Name and Press Enter.

How do I switch databases in SQL?

use [DemoDatabase]; exec sp_changedbowner [sa]; use [EltechDB]; exec sp_changedbowner [sa]; Execute the above query in our SQL Server instance and see how it changes the database owner to sa login. Once the command executes successfully, run the below query to verify that the database owners have been changed.

How do I change MySQL port from 3306 to 3307?

Either change the port on the MySQL instance, to say 3307.

  1. Stop MySQL server.
  2. Open “my.ini” file in MySQL server installation directory.
  3. You will see the default port number “port=3306”
  4. Change it to desired port number.
  5. After changing, save the “my.ini” file.
  6. Restart MySQL server.

How rename MySQL HostName?

2 Answers

  1. in linux its in ‘/etc/resolv. conf’
  2. in Mac OS you can just change it through the following command: sudo scutil –set HostName HOST_NAME.

What is alter database command?

ALTER DATABASE enables you to change the overall characteristics of a database. These characteristics are stored in the data dictionary. This statement requires the ALTER privilege on the database. ALTER SCHEMA is a synonym for ALTER DATABASE .

How do I select a database in MySQL?

You can use the SQL command use to select a database.

  1. Example. Here is an example to select a database called TUTORIALS − [[email protected]]# mysql -u root -p Enter password:****** mysql> use TUTORIALS; Database changed mysql>
  2. Syntax. mysqli_select_db ( mysqli $link , string $dbname ) : bool.
  3. Example.
  4. Output.

What is the default database name in MySQL?

You can observe the databases in the MySQL database server. The information_schema and MySQL are the default database in MySQL.

How do you rename a table in SQL?

Click the SQL tab at the top. In the text box, enter the following command: ALTER TABLE exampletable RENAME TO new_table_name; Replace exampletable with your table’s name and replace new_table_name with the new name for your table.

How do I select a specific database in MySQL?

How do I change my port from 3306 to 3308?

To change it follow the steps:

  1. Open “my. ini” file in MySQL server installation directory.
  2. You will see the default port number “port=3306”
  3. Change it to desired port number.
  4. After changing, save the “my. ini” file.
  5. Restart MySQL server.

How do I fix MySQL port 3306 already in use?

Specified port 3306 is already in use when installing MySQL

  1. Open cmd and run as administrator.
  2. So, type this in command-line (cmd ) = “sc delete mysql”
  3. It will show you that the running instance has deleted successfully.

How do I rename a SQL database query?

If you are using SQL Server Management Studio, right click on the database and select the Rename option and then rename the database.

How query MySQL database command line?

To access a specific database, type the following command at the mysql> prompt, replacing dbname with the name of the database that you want to access: Copy use dbname; Make sure you do not forget the semicolon at the end of the statement. After you access a database, you can run SQL queries, list tables, and so on.

What is rename command in SQL?

Rename: RENAME command is used to change the name of the table or a database object. RENAME old_table_name To new_table_name; Example: Rename testable to test_table; Below is the screenshot for renaming the table from testtable to test_table.

How do I change a table name?

To rename a table:

  1. Click on the table.
  2. Go to Table Tools > Design > Properties > Table Name. On a Mac, go to the Table tab > Table Name.
  3. Highlight the table name and enter a new name.

How do you check if port 3306 is being used?

Press Ctrl + F and write 3306 to find out which Application is using PORT 3306. After this, Go to Task Manager via Search Bar or by pressing CTRL + ALT + DEL . Then Under the Background Processes, find out mysqld.exe , right-click on it and you will find an option to close it, namely ” End Task “.

Where can you rename a data query?

To open a query, locate one previously loaded from the Power Query Editor, select a cell in the data, and then select Query > Edit. For more information see Create, load, or edit a query in Excel. Select a column, and then select Transform > Rename.