How to enable MySQL Query Log?
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试):问题: HowdoIenabletheMySQLfunctionthatlogseachSQLquerystatementreceivedfromclientsandthetimethatquerystatementhassubmitted? ......
How to delete from multiple tables in MySQL?
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试):问题: Iamtryingtodeletefromafewtablesatonce.I\'vedoneabitofresearch,andcameupwiththis DELETEFROM`pets`p, `pets......
Throw an error in a MySQL trigger
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试):问题: IfIhaveatriggerbeforetheupdateonatable,howcanIthrowanerrorthatpreventstheupdateonthattable? 回答1: Hereisonehac......
Are table names in MySQL case sensitive?
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试):问题: AretablenamesinMySQLcasesensitive? OnmyWindowsdevmachinethecodeIhaveisabletoquerymytableswhichappeartobealllowerca......
Count the number of occurrences of a string in a V
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试):问题: Ihaveatablelikethis: TITLE|DESCRIPTION ------------------------------------------------ test1|valueblahblah......
LAST_INSERT_ID() MySQL
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试):问题: IhaveaMySQLquestionthatIthinkmustbequiteeasy.IneedtoreturntheLASTINSERTEDIDfromtable1whenIrunthefollowingMySqlque......
Library not loaded: libmysqlclient.16.dylib error
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试):问题: I\'vebeenstrugglingwiththisforsometime. I\'veinstalledRails3,gem,mysqlonmySnowLeopardmachine.AllwasgoingwelluntilIcr......
How to find all the tables in MySQL with specific
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试):问题: Ihave2-3differentcolumnnamesthatIwanttolookupintheentireDBandlistoutalltableswhichhavethosecolumns.Anyeasyscript? ......
How do I escape special characters in MySQL?
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试):问题: Forexample: select*fromtablenamewherefieldslike\"%string\"hi\"%\"; Error: YouhaveanerrorinyourSQLsyntax;checkthem......
generate an integer sequence in MySQL
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试):问题: Ineedtodoajoinwithatable/result-set/whateverthathastheintegersntominclusive.Isthereatrivialwaytogetthatwithoutjust......
Best way to test if a row exists in a MySQL table
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试):问题: I\'mtryingtofindoutifarowexistsinatable.UsingMySQL,isitbettertodoaquerylikethis: SELECTCOUNT(*)AStotalFROMtable1......
grant remote access of MySQL database from any IP
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试):问题: Iamawareofthiscommand: GRANTALLPRIVILEGES ONdatabase.* TO\'user\'@\'yourremotehost\' IDENTIFIEDBY\'newpassword\'; Butthenito......
Grant **all** privileges on database
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试):问题: I\'vecreateddatabase,forexample\'mydb\'. CREATEDATABASEmydbCHARACTERSETutf8COLLATEutf8_bin; CREATEUSER\'myuser\'@\'%\'IDENTI......
Compare two MySQL databases [closed]
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试):问题: I\'mcurrentlydevelopinganapplicationusingaMySQLdatabase. Thedatabase-structureisstillinfluxandchangeswhiledevelopmentprogr......
MySQL: Can't create table (errno: 150)
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试):问题: Iamtryingtoimporta.sqlfileanditsfailingoncreatingtables. Here\'sthequerythatfails: CREATETABLE`data`( `id`int(10)unsi......
MySQL, update multiple tables with one query
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试):问题: Ihaveafunctionthatupdatesthreetables,butIusethreequeriestoperformthis.Iwishtouseamoreconvenientapproachforgoodpract......
MySQL Conditional Insert
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试):问题: IamhavingadifficulttimeformingaconditionalINSERT Ihavex_tablewithcolumns(instance,user,item)whereinstanceIDisunique.I......