#{茶男與藍牌} » Database

MySQL export to csv

茶男 — Mon, 10 Oct 2011 04:26:03 +0000

SELECT id, name, email INTO OUTFILE '/tmp/result.csv' FIELDS TERMINATED BY ',' OPTIONALLY ENCLOSED BY '"' ESCAPED BY ‘\\’ LINES TERMINATED BY '\n' FROM users WHERE 1

@see http://dev.mysql.com/doc/refman/5.6/en/load-data.html

Export the postgresql sql result to csv file

茶男 — Mon, 27 Jun 2011 07:43:56 +0000

from: http://archives.postgresql.org/pgsql-admin/2005-08/msg00333.php

psql <any needed connection parameters> --quiet --no-align --field-separator ',' --pset footer --output youroutputfile.csv --command <select .......> databasename

Fixing the postgresql initdb fatal shared memory error on Leopard

茶男 — Tue, 03 May 2011 05:24:15 +0000

from http://willbryant.net/software/mac_os_x/postgres_initdb_fatal_shared_memory_error_on_leopard

When doing the post-install setup of postgresql default database using initdb, you may hit this error:

FATAL: could not create shared memory segment: Cannot allocate memory DETAIL: Failed system call was shmget(key=1, size=1646592, 03600).

You can either change the postgresql configuration to use less shared memory, or increase the system setting.

I suggest the [...]

PostgreSQL useful SQL statement

茶男 — Fri, 10 Dec 2010 00:25:59 +0000

For functionality similar to mysql SHOW TABLES use:

select * from information_schema.tables where table_schema=’public’ and table_type=’BASE TABLE’

no such file to load — mysql

茶男 — Sun, 21 Jun 2009 12:58:09 +0000

from http://blogs.sun.com/divas/entry/no_such_file_to_load

Rails never fails me. As soon as I publish a series of tutorials for a NetBeans release, a new Rails release comes out which breaks my tutorials (and, apparently, most everyone else’s). Gratefully, some customers took the time to click the Feedback button at the end of our tutorials to let us know [...]

!Statement.GeneratedKeysNotRequested!

茶男 — Wed, 10 Jun 2009 05:48:00 +0000

Happen on version 5.1.7, so switch back to 5.1.6 is the solution…

From http://bugs.mysql.com/bug.php?id=41448

Bug #41448 java.sql.SQLException: !Statement.GeneratedKeysNotRequested! Submitted: 13 Dec 2008 18:22 Modified: 28 May 20:29 Reporter: Rico H. Status: Documenting Category: Connector/J Severity: S1 (Critical) Version: 5.1.7 OS: Linux Assigned to: Target Version: [13 Dec 2008 18:22] Rico H. Description: Hello, Consider [...]

ACC: “Selected Collating Sequence Not Supported” or “Unrecognized Database Format” Error

茶男 — Thu, 11 Sep 2008 16:46:08 +0000

From http://support.microsoft.com/default.aspx?kbid=184988

View products that this article applies to.

function loadTOCNode(){}

Article ID : 184988 Last Review : January 22, 2007 Revision : 3.1 This article was previously published under Q184988 Novice: Requires knowledge of the user interface on single-user computers. SYMPTOMS

loadTOCNode(1, ‘symptoms’);

When you try to open a database or an [...]

MySQL error 1017: errno: 24

茶男 — Tue, 09 Sep 2008 15:40:53 +0000

From Re: Mysqldump error 1017: errno: 24 - help? Yep, that seems to have done it, at least when I'm testing it. I'm pretty sure the problem is fixed, but the next couple of days of automated backups will tell. Thanks! On Tue, 2005-01-11 at 00:43, Gleb Paharenko wrote: > Hello. > > Try [...]