windows mysql備份資料庫及清除過期資料
阿新 • • 發佈：2019-01-06
檢視資料庫使用的儲存引擎
MariaDB [(none)]> show engines \G; *************************** 1. row *************************** Engine: CSV Support: YES Comment: Stores tables as CSV files Transactions: NO XA: NO Savepoints: NO *************************** 2. row *************************** Engine: MRG_MyISAM Support: YES Comment: Collection of identical MyISAM tables Transactions: NO XA: NO Savepoints: NO *************************** 3. row *************************** Engine: MEMORY Support: YES Comment: Hash based, stored in memory, useful for temporary tables Transactions: NO XA: NO Savepoints: NO *************************** 4. row *************************** Engine: MyISAM Support: YES Comment: Non-transactional engine with good performance and small data foot print Transactions: NO XA: NO Savepoints: NO *************************** 5. row *************************** Engine: SEQUENCE Support: YES Comment: Generated tables filled with sequential values Transactions: YES XA: NO Savepoints: YES *************************** 6. row *************************** Engine: InnoDB Support: DEFAULT Comment: Supports transactions, row-level locking, foreign keys and encrypt ion for tables Transactions: YES XA: YES Savepoints: YES *************************** 7. row *************************** Engine: Aria Support: YES Comment: Crash-safe tables with MyISAM heritage Transactions: NO XA: NO Savepoints: NO *************************** 8. row *************************** Engine: PERFORMANCE_SCHEMA Support: YES Comment: Performance Schema Transactions: NO XA: NO Savepoints: NO 8 rows in set (0.001 sec) ERROR: No query specified
Support:DEFAULT的為預設儲存引擎。
備份所有資料庫
D:\Program Files\MariaDB 10.3\bin>mysqldump -u root -h localhost -p --all-databases > d:\mysqldbback\all.sql還原所有資料庫
MariaDB [(none)]> source d:\mysqldbback\all.sql自動備份指令碼
@echo off color 0D MODE con: COLS=71 LINES=25 title mysql資料庫自動備份指令碼(任務計劃)--指令碼作者:荊盼 set "Ymd=%date:~,4%%date:~5,2%%date:~8,2%" set "obj_dir= d:\mysqldbback" md %obj_dir% @echo 開始備份資料庫。 mysqldump -u root -h localhost -proot --all-databases > %obj_dir%\%Ymd%all.sql @echo 刪除七天前備份的檔案。 forfiles /p "d:\mysqldbback" /s /m *.* /d -7 /c "cmd /c del @path" @echo 資料庫備份完成，3秒後程序退出。 ping /n 3 127.0.0.1 >nul exit
@echo off color 0D MODE con: COLS=71 LINES=25 title mysql資料庫自動備份指令碼(任務計劃)--指令碼作者:荊盼 set "Ymd=%Date:~0,4%%Date:~5,2%%Date:~8,2%%Time:~0,2%%Time:~3,2%%Time:~6,2%" set "obj_dir= c:\mysqlback" md %obj_dir% @echo 開始備份資料庫。 mysqldump -u root -h localhost -proot --all-databases > %obj_dir%\%Ymd%all.sql @echo 刪除2天前備份的檔案。 forfiles /p "c:\mysqlback" /s /m *.* /d -2 /c "cmd /c del @path" @echo 資料庫備份完成，10秒後程序退出。 ping /n 10 127.0.0.1 >nul exit