dbi

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Perl: Reading from a database table line by line

Is there someway to read from 开发者_如何学Pythona database table line by line using the DBI module? The table is huge and I keep running out of memory if I try to do a select. I\'m working with an or[详细]

2023-04-13 06:02 分类：问答
AnyEvent::DBI and database reconnection

I\'m using AnyEvent::DBI in a singleton package, and when there is no activity in the database / queries etc after many hours, I get this error while trying to issue a query:[详细]

2023-04-11 04:56 分类：问答
Can DBI statement handles use cached calls to execute()?

I have an application where the database rarely changes, and the application requires many reads from the database that is slowing down the performance quite significantly. Many of these reads are exa[详细]

2023-04-09 20:24 分类：问答
Ruby OCI8 DBI, how to check query generated after parameter binding? need to check for "in" queries

While using Ruby-DBI I am facing issues with parameter binding for where \"in\" queries. Two questions:[详细]

2023-04-09 04:05 分类：问答
DBD::Informix connection issues

I\'m having somewhat weird problem with DBD::Informix. If I run a simple script like that: use DBI; my $dbh = DBI->connect_cached(\'dbi:Informix:database\', \'\', \'\');[详细]

2023-04-05 07:58 分类：问答
How to install DBD::Advantage

I have tried using DBD::Advantage on both Linux and Windows with no luck.The Windows version comes with what appears to be a full fledged installer, but it leaves behind the DBD-Advantage-8.10.tar.gz.[详细]

2023-04-04 13:26 分类：问答
SQLite: selectall_arrayref speed question

Is there a difference in speed between these two modi? selectall_arrayref( \"SELECT * FROM $table\", { Slice => {开发者_JAVA技巧 a => 1, b => 1 } } );[详细]

2023-04-03 21:36 分类：问答
open .dbi files with PHP

i want to open a .dbi file with PHP. i cant find anything about this on google. maybe some guys of you can help me?[详细]

2023-04-02 00:09 分类：问答
Anyone been able to install DBD::mysql on Mac Snow Leopard with i5 Processor?

I\'m trying to install DBD::mysql using most of the popular methods, including sudo cpanm -S DBD::mysql. However, I am having some serious problems with this and I am beginning to think it might be my[详细]

2023-03-30 12:52 分类：问答
Integer comparision using DBD::SQLite

I\'m facing a problem with DBIx::Class against an SQLite3 database. If you don\'t want to read the following in full, here\'s the TL;DR version:[详细]

2023-03-29 07:33 分类：问答