This man is too old to remember everything in his brain. Right now, he needs a place to write down what he has studied.
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2014年4月2日 星期三
管理MySQL資料庫
啟動/關閉
/etc/init.d/mysql start
/etc/init.d/mysql stop
擷取server and database資料
show databases;
show tables
show columns from ...
show table status
show status
show variables
show processlist
show grants for username@host
show privileges
show table types
show create table [tablename]
show create table authors
設定變數
set (global) variable = value
銷毀執行緒
show processlist
...
kill proces_id
清除快取記憶體
手動修改grant table時,可以flush privileges確認改變已經在系統內運作
重組快取查詢 flush query cache
清除快取查詢 reset quest cache
備份
mysqldump -u root -p --databases mylibrary > xxx.sql
mysqldump -u root -p --all-databases > xxx.sql
要復原資料庫可使用『mysql』指令
復原一個資料庫:
mysql –u root –p mylibrary < mylibrary _backup.sql
復原多個資料庫:
mysql –u root –p < all_backup.sql
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