\G Modifier

Giriş

Tüm komutların açıklaması şöyle

mysql> help

List 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.

resetconnection(\x) Clean session context.

query_attributes Sets string parameters (name1 value1 name2 value2 ...)

for the next query to pick up.

ssl_session_data_print Serializes the current SSL session data to stdout 

or file.

For server side help, type 'help contents'

\g vs \G Modifier

Açıklaması şöyle

The \g is basically the same as ; That is, it is the terminator for a statement and that means send it to the server for parsing and execution.

\G Modifier

Açıklaması şöyle

ego       (\G) Send command to mysql server, display result vertically.

Örnek

\G kullanılmazsa çıktı şöyle olur

> SHOW MASTER STATUS;
+------------------+----------+--------------+------------------+
| File             | Position | Binlog_Do_DB | Binlog_Ignore_DB |
+------------------+----------+--------------+------------------+
| mysql-bin.000193 |     7061 |              |                  |
+------------------+----------+--------------+------------------+
1 row in set (0.00 sec)

\G ile konsola sığmıyorsa alt alta yazılır. Şöyle yaparız

mysql> SHOW MASTER STATUS\G
*************************** 1. row ***************************
            File: mysql-bin.000193
        Position: 7061
    Binlog_Do_DB:
Binlog_Ignore_DB: