How do I get help in MySQL?

Does MySQL have support?

MySQL Technical Support

With MySQL support you can get answers to all your MySQL related questions from the MySQL support team. If you encounter urgent problems with MySQL, you will get help as soon as you need it.

What are the commands in MySQL?

MySQL Commands

Description Command
Remove particular table columns ALTER TABLE [table-name] DROP COLUMN [column-name];
Delete tables from the database DROP TABLE [table-name];
Delete databases DROP DATABASE [database-name];
Custom column output names SELECT [column-name] AS [custom-column] FROM [table-name];

How do I get help in MySQL workbench?

To view context help, first open the SQL Additions panel by clicking View, Panels, and then Show Secondary Sidebar from the menu. Alternatively, you can click the panel shortcut ( ) from the toolbar. This panel has two bottom tabs; select Context Help.

What does the — help option do in MySQL?

–help , -? Display a help message and exit. Enable automatic rehashing. This option is on by default, which enables database, table, and column name completion.

Is MySQL 5.5 outdated?

On December 31st, 2018, MySQL version 5.5 entered End of Life status. Any server currently running MySQL 5.5 will not receive any updates, bug fixes, or security patches for MySQL until MySQL is updated to a version 5.6 or later.

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What OS does MySQL support?

8. What Platforms does MySQL support?

  • Linux (RedHat, SUSE, Mandrake, Debian)
  • Embedded Linux (MontaVista, LynuxWorks BlueCat)
  • Unix (Solaris, HP-UX, AIX)
  • BSD (Mac OS X, FreeBSD)
  • Windows (Windows 2000, Windows NT)
  • RTOS (QNX)

How do I start MySQL?

Launch the MySQL Command-Line Client. To launch the client, enter the following command in a Command Prompt window: mysql -u root -p . The -p option is needed only if a root password is defined for MySQL. Enter the password when prompted.

How many commands are there in MySQL?

MySQL Commands

  • SELECT — extracts data from a database. …
  • UPDATE — updates data in a database. …
  • DELETE — deletes data from a database. …
  • INSERT INTO — inserts new data into a database. …
  • CREATE DATABASE — creates a new database. …
  • ALTER DATABASE — modifies a database. …
  • CREATE TABLE — creates a new table. …
  • ALTER TABLE — modifies a table.

Is MySQL database free?

MySQL (/ˌmaɪˌɛsˌkjuːˈɛl/) is an open-source relational database management system (RDBMS). … MySQL is free and open-source software under the terms of the GNU General Public License, and is also available under a variety of proprietary licenses.

How do I connect to a MySQL database?

To Connect to a MySQL Database

  1. Click Services tab.
  2. Expand the Drivers node from the Database Explorer. …
  3. Enter User Name and Password. …
  4. Click OK to accept the credentials. …
  5. Click OK to accept the default schema.
  6. Right-click the MySQL Database URL in the Services window (Ctrl-5).

How do I run a SQL query in MySQL WorkBench?

To do that, first select the desired database from the left column menu by double-clicking it. Then type in the MySQL query you want to run in the text field in the middle of the program window and use the yellow lightning button above that text field to run the query.

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What is E in MySQL?

-e is actually short for –execute , that’s probably why you had trouble finding it. http://dev.mysql.com/doc/refman/5.7/en/mysql-command-options.html#option_mysql_execute. Execute the statement and quit. The default output format is like that produced with –batch. See Section 5.2.

How do I write a query in MySQL?

Some of the commonly used MySQL queries, operators, and functions are as follows :

  1. SHOW DATABASES. This displays information of all the existing databases in the server. …
  2. USE database_name. database_name : name of the database. …
  3. DESCRIBE table_name. …
  4. SHOW TABLES. …
  5. SHOW CREATE TABLE table_name. …
  6. SELECT NOW() …
  7. SELECT 2 + 4; …
  8. Comments.

How do I install MySQL?

The process for installing MySQL from a ZIP Archive package is as follows:

  1. Extract the main archive to the desired install directory. …
  2. Create an option file.
  3. Choose a MySQL server type.
  4. Initialize MySQL.
  5. Start the MySQL server.
  6. Secure the default user accounts.