mysql> ? contents
you asked for help about help category: "contents"
for more information, type 'help ', where is one
ofthe following
categories:
account management
administration
compound statements
data definition
data manipulation
data types
functions
functions and modifiers for use with group by
geographic features
。。。檢視自己感興趣的分類
mysql> ? data types
you asked for help about help category: "data types"
for more information, type 'help ', where is one
ofthe following
topics:
auto_increment
bigint
binary
bitblob
blob data type
boolean
。。。進一步檢視具體的資料型別
mysql> ? int
name: 'int'
description:
int[(m)] [unsigned] [zerofill]
a normal-size integer. the signed range is -2147483648
to2147483647.
the unsigned range is 0
to4294967295.
url:
快速查閱某項語法是，可以使用關鍵字進行快速查詢，例如，show命令
mysql> ? show
name: 'show'
description:
show has many forms that provide information about databases, tables,
columns, or status information about the server. this section describes
those following:
show authors
show logs
show binlog events [in 'log_name'] [from pos] [limit [offset,] row_count]
show character set [like_or_where]
show collation [like_or_where]
show [full] columns from tbl_name [from db_name] [like_or_where]
。。。create table命令
mysql> ? create table
name: 'create table'
description:
syntax:
create [temporary] table [if not exists] tbl_name
(create_definition,...)
[table_options]
[partition_options]
create [temporary] table [if not exists] tbl_name
[(create_definition,...)]
[table_options]
[partition_options]
select_statement
。。。
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