How to install MySQL on Ubuntu/Debian

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[mansinaik]

I have followed all the steps as mentioned but when I try to run the command, I'm getting an error as

Processing triggers for man-db ...
Processing triggers for ureadahead ...
Setting up libmysqlclient18 (5.5.54-0ubuntu0.12.04.1) ...
Setting up libdbd-mysql-perl (4.020-1ubuntu0.1) ...
Setting up mysql-client-5.5 (5.5.54-0ubuntu0.12.04.1) ...
Setting up mysql-server-5.5 (5.5.54-0ubuntu0.12.04.1) ...
170925 23:32:29 [Warning] Using unique option prefix key_buffer instead of key_buffer_size is deprecated and will be removed in a future release. Please use the full name instead.
170925 23:32:29 [Note] Ignoring --secure-file-priv value as server is running with --bootstrap.
170925 23:32:29 [Note] /usr/sbin/mysqld (mysqld 5.5.54-0ubuntu0.12.04.1) starting as process 12295 ...
mysql start/running, process 12433
Setting up mysql-server (5.5.54-0ubuntu0.12.04.1) ...
Processing triggers for libc-bin ...
ldconfig deferred processing now taking place

ERROR 1045 (28000): Access denied for user 'mansi'@'localhost' (using password: NO)



Request you to provide suggestion if possible

[wickedsnuk]

it didnt install mysql client... I cant run the command of mysql

[amarjeetkushwaha]

i am getting the error
The following packages have unmet dependencies:
mysql-server : Depends: mysql-community-server (= 5.7.21-1debian7) but it is not going to be installed
E: Unable to correct problems, you have held broken packages.

[abhinay]

when i check for mysql, i am getting reply as-
Access denied for user 'abhi'@'local host' (using password:no)

[rahulchoudhary]

ERROR 1045 (28000): Access denied for user 'rahul'@'localhost' (using password: NO)
after typing mysql this is what i am getting

[timucin]

$sudo apt-get install mysql-server

TO EXECUTE MYSQL:
$mysql

TO SEE DATABASES:
$show databases;

QUIT:
$quit

PRIVILAGE FOR SUPER USER:
$mysql -u root -p