The length of a CHAR column is fixed to the length that you declare when you create the table. The length can be any value from 0 to 255. When CHAR values are stored, they are right-padded with spaces to the specified length. When CHAR values are retrieved, trailing spaces are removed...
starts with this option ENABLED by default! Disable with '-G'. Long format commands still work from the first line. WARNING: option deprecated; use --disable-named-commands instead.*/ -i, --ignore-spaces //忽视函数名后面的空格. --local-infile //启动/禁用 LOAD DATA LOCAL INFILE. -b, ...
https://time.geekbang.org/column/article/79026 mysql -h127.0.0.1 -uxx -pxx db1 reading table informationforcompletion of tableandcolumn names you can turn off this feature to get a quicker startup with-A 一个库里有 6 万个表 --auto-rehash //自动补全功能,就像linux里面,按Tab键出提示差不...
The length of a CHAR column is fixed to the length that you declare when you create the table. The length can be any value from 0 to 255. When CHAR values are stored, they are right-padded with spaces to the specified length. When CHAR values are retrieved, trailing spaces are removed...
The length of a CHAR column is fixed to the length that you declare when you create the table. The length can be any value from 0 to 255. When CHAR values are stored, they are right-padded with spaces to the specified length. When CHAR values are retrieved, trailing spaces are removed...
select table_name, column_name, replace( column_name, ' ', '' ) as name_with_no_spaces from information_schema.columns where locate( ' ', column_name ) > 0; If you mean actually removing spaces from table names, you'll need to Prepare dynamic Alter Table Rename... commands from...
Disable with --disable-named-commands. This option is disabled by default. -i, --ignore-spaces Ignore space after function names. --init-command=name SQL Command to execute when connecting to MySQL server. Will automatically be re-executed when reconnecting. ...
NDB Cluster Disk Data tables (that is, tables created withTABLESPACE ... STORAGE DISK ENGINE=NDBorTABLESPACE ... STORAGE DISK ENGINE=NDBCLUSTER) have only fixed-width rows. This means that (for example) each Disk Data table record containing aVARCHAR(255)column requires space for 255 character...
-i, --ignore-spaces #忽略空格 -h, --host=name #设置连接服务器的地址与IP --line-numbers #显示有错误的行号 -L, --skip-line-numbers #忽略有错误的行号 -n, --unbuffered #每次执行sql后刷新缓存 --column-names #查询时显示列信息 -N, --skip-column-names ...
-N, --skip-column-names //不显⽰列信息 -O, --set-variable=name //设置变量⽤法是--set-variable=var_name=var_value --sigint-ignore //忽视SIGINT符号(登录退出时Control-C的结果)-o, --one-database //忽视除了为命令⾏中命名的默认数据库的语句。可以帮跳过⽇志中的其它数据库的...