MariaDB [ren]> helpGeneral information about MariaDB can be found at
http://mariadb.orgList of all MySQL commands:
Note that all text commands must be first on line and end with ';'
?         (\?) Synonym for `help'.
clear     (\c) Clear the current input statement.
connect   (\r) Reconnect to the server. Optional arguments are db and host.
delimiter (\d) Set statement delimiter.
edit      (\e) Edit command with $EDITOR.
ego       (\G) Send command to mysql server, display result vertically.
exit      (\q) Exit mysql. Same as quit.
go        (\g) Send command to mysql server.
help      (\h) Display this help.
nopager   (\n) Disable pager, print to stdout.
notee     (\t) Don't write into outfile.
pager     (\P) Set PAGER [to_pager]. Print the query results via PAGER.
print     (\p) Print current command.
prompt    (\R) Change your mysql prompt.
quit      (\q) Quit mysql.
rehash    (\#) Rebuild completion hash.
source    (\.) Execute an SQL script file. Takes a file name as an argument.
status    (\s) Get status information from the server.
system    (\!) Execute a system shell command.
tee       (\T) Set outfile [to_outfile]. Append everything into given outfile.
use       (\u) Use another database. Takes database name as argument.
charset   (\C) Switch to another charset. Might be needed for processing binlog with multi-byte charsets.
warnings  (\W) Show warnings after every statement.
nowarning (\w) Don't show warnings after every statement.For server side help, type 'help contents'

MariaDB [ren]> help create
Many help items for your request exist.
To make a more specific request, please type 'help <item>',
where <item> is one of the following
topics:CREATE DATABASECREATE EVENTCREATE FUNCTIONCREATE FUNCTION UDFCREATE INDEXCREATE PROCEDURECREATE SERVERCREATE TABLECREATE TABLESPACECREATE TRIGGERCREATE USERCREATE VIEWSHOWSHOW CREATE DATABASESHOW CREATE EVENTSHOW CREATE FUNCTIONSHOW CREATE PROCEDURESHOW CREATE TABLESPATIAL

MariaDB [ren]> help create database
Name: 'CREATE DATABASE'
Description:
Syntax:
CREATE {DATABASE | SCHEMA} [IF NOT EXISTS] db_name[create_specification] ...create_specification:[DEFAULT] CHARACTER SET [=] charset_name| [DEFAULT] COLLATE [=] collation_nameCREATE DATABASE creates a database with the given name. To use this
statement, you need the CREATE privilege for the database. CREATE
SCHEMA is a synonym for CREATE DATABASE.URL: https://mariadb.com/kb/en/create-database/

MariaDB [ren]> help contents
You asked for help about help category: "Contents"
For more information, type 'help <item>', where <item> is one of the following
categories:Account ManagementAdministrationCompound StatementsData DefinitionData ManipulationData TypesFunctionsFunctions and Modifiers for Use with GROUP BYGeographic FeaturesHelp MetadataLanguage StructurePluginsProceduresTable MaintenanceTransactionsUser-Defined FunctionsUtility

MariaDB [ren]> help 'Data Types'
You asked for help about help category: "Data Types"
For more information, type 'help <item>', where <item> is one of the following
topics:AUTO_INCREMENTBIGINTBINARYBITBLOBBLOB DATA TYPEBOOLEANCHARCHAR BYTEDATEDATETIMEDECDECIMALDOUBLEDOUBLE PRECISIONENUMFLOATINTINTEGERLONGBLOBLONGTEXTMEDIUMBLOBMEDIUMINTMEDIUMTEXTSET DATA TYPESMALLINTTEXTTIMETIMESTAMPTINYBLOBTINYINTTINYTEXTVARBINARYVARCHARYEAR DATA TYPE