BorlandTalk.com Borland discussion newsgroups   Archives   FAQ   Search   Memberlist   Usergroups   Register   Profile   Log in to check your private messages   Log in  How to quickly delete a bunch of records from Table?          BorlandTalk.com Forum Index -> C++ Builder Databases (SQL Servers) View previous topic :: View next topic   Author Message Qimiao Lu Guest Posted: Fri Jul 30, 2004 2:16 pm    Post subject: How to quickly delete a bunch of records from Table? Hi, Does anyone know how to remove the selected records (more than one ) from a table quickly? Right now, I am using TTable->Delete to delete each selected record through loop. It is very slow. Thanks in advance. Regards. Qimiao Back to top Jim Faulkner Guest Posted: Thu Aug 05, 2004 7:33 pm    Post subject: Re: How to quickly delete a bunch of records from Table? Turn off auto-commits and commit after you delete the records. "Qimiao Lu" <qlu (AT) baird (DOT) com> wrote Quote: Hi, Does anyone know how to remove the selected records (more than one ) from a table quickly? Right now, I am using TTable->Delete to delete each selected record through loop. It is very slow. Thanks in advance. Regards. Qimiao Back to top Qimiao Lu Guest Posted: Mon Aug 09, 2004 1:10 pm    Post subject: Re: How to quickly delete a bunch of records from Table? Thanks. How to turn off auto-commits? I could not find any property and method relating to Auto-commits. Do you mean to use the block like this: StartTransaction delete all records; Commit Thanks again Qimiao "Jim Faulkner" <jim.faulkner (AT) bocc (DOT) citrus.fl.us> wrote Quote: Turn off auto-commits and commit after you delete the records. "Qimiao Lu" <qlu (AT) baird (DOT) com> wrote in message news:410a5849$1 (AT) newsgroups (DOT) borland.com... Hi, Does anyone know how to remove the selected records (more than one ) from a table quickly? Right now, I am using TTable->Delete to delete each selected record through loop. It is very slow. Thanks in advance. Regards. Qimiao Back to top Jim Faulkner Guest Posted: Mon Aug 09, 2004 2:47 pm    Post subject: Re: How to quickly delete a bunch of records from Table? Basically, yes -- but it really all depends on the RDBMS that you are using and which data controls -- "Qimiao Lu" <qlu (AT) baird (DOT) com> wrote Quote: Thanks. How to turn off auto-commits? I could not find any property and method relating to Auto-commits. Do you mean to use the block like this: StartTransaction delete all records; Commit Thanks again Qimiao "Jim Faulkner" <jim.faulkner (AT) bocc (DOT) citrus.fl.us> wrote in message news:41128b8f$1 (AT) newsgroups (DOT) borland.com... Turn off auto-commits and commit after you delete the records. "Qimiao Lu" <qlu (AT) baird (DOT) com> wrote in message news:410a5849$1 (AT) newsgroups (DOT) borland.com... Hi, Does anyone know how to remove the selected records (more than one ) from a table quickly? Right now, I am using TTable->Delete to delete each selected record through loop. It is very slow. Thanks in advance. Regards. Qimiao Back to top dcent Guest Posted: Sun Aug 29, 2004 7:47 pm    Post subject: Re: How to quickly delete a bunch of records from Table? Use a TQuery. Set the SQL property to some like: DELETE * FROM table_name WHERE LastUpdate < '01/01/1999' Qimiao Lu wrote: Quote: Hi, Does anyone know how to remove the selected records (more than one ) from a table quickly? Right now, I am using TTable->Delete to delete each selected record through loop. It is very slow. Thanks in advance. Regards. 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