PostgreSQL Autodoc
A drawing tool generaring UML diagrams from Postgresql database in DIA format, HTML and a few others. Not perfect, but quite neat and the diagrams can be eidted with DIA (there also exists a plugin to...
View ArticleSlow aggergate queries in PostgreSQL
Postgres is strange. If you make a query select min(column_with_index) from table; the database performs a sequential scan – you can only imagine how long it takes on a 10M record database. This seems...
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PostgreSQL8.0 supports XML!
Cool. It looks that PostgreSQL8.0 supports XML as an additional extension (contrib driectory). In gentoo you can compile it specifying +xml2 option. Now how to use it: 1. you need to create xml...
View ArticleDBAzine.com: SQL Views Transformed
All you wanted to know about views and materialized views in databases: DBAzine.com: SQL Views Transformed
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Upgrading Postgres 7.4 to 8.0 in Debian
I recently had to upgrade my PostgreSQL 7.4 to 8.0 in Debian and learned that there is a cool way of doing this. This procedure is described in /usr/share/doc/postgresql-common/architecture.html. In a...
View ArticleGrant privileges on all tables in one go
PostgreSQL: Grant privileges on all tables in one go using shell scripts or stored procedures.
View ArticleInstallig DB2 on Linux
A few links I found useful while installing DB2 on Debian/Gentoo, etc: An alternate method of installing DB2 on Unix platforms RedBook: Up and Running with DB2 on Linux
View ArticlePostgreSQL 8 performance tuning
Here’s my list of pointers: Power PostgreSQL – really detailed and up-to-date information on setting PostgreSQL runtime parameters. Don’t forget to check the annotated postgresql.conf with comments....
View ArticlePostgreSQL8.1 “client encoding mismatch” with ODBC
While connecting to PostgreSQL using UnixODBC (from R, but this doesn’t matter) I got the following error: [unixODBC]client encoding mismatch It seems that there is some problem with PostgreSQL 8.1 and...
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