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Category: How To

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Here you can find all blog posts about the Category: How To. You can go back to all blog posts or take a look into our other categories & tags.

CREATE DOMAIN: Data type abstraction

by Hans-Jürgen Schönig | 10.2013
In a procedural language such as C people will create typedefs & functions But what about data type abstraction in SQL?

Changing histogram sizes

by Hans-Jürgen Schönig | 10.2013
Statistics are the rocket fuel behind performance. Learn to adjust histogram sizes for optimal performance results.

Reducing the impact of locking

by Hans-Jürgen Schönig | 10.2013
(Bad) locking and low concurrency lead to poor performance results. Learn to minimize locking in PostgreSQL.

Per-tablespace storage parameters

by Hans-Jürgen Schönig | 10.2013
A per-tablespace can be used to add more hardware to the system – but, is there some other way to make use of a tablespace? There is!

Sequences – transactional behavior

by Hans-Jürgen Schönig | 09.2013
Creating and using sequences in PostgreSQL - Database sequences are database objects from which multiple users can generate unique numbers.

Import stock market data into PostgreSQL

by Hans-Jürgen Schönig | 09.2013
The internet is full of people who want to import stock market data into a database. How can data be imported into PostgreSQL nicely?

Storing network information

by Hans-Jürgen Schönig | 09.2013
PostgreSQL can handle IP addresses - and network information in general - pretty nicely. Check out this blogpost to learn more.

Monitoring: Keeping an eye on old transactions

by Hans-Jürgen Schönig | 09.2013
To handle transactions PostgreSQL uses a mechanism called MVCC (Multi Version Concurrency Control). The core idea of this machinery is to allow the storage engine to keep more than just one version of the row.

PostgreSQL Vim integration: Finally ...

by Hans-Jürgen Schönig | 09.2013
Importing into Vim is basically not too much of an issue – but, exporting data back to PostgreSQL is more of an issue.

From PostgreSQL directly to Vim

by Hans-Jürgen Schönig | 09.2013
Some (obvious) ideas can struck you when you are just sitting around at the airport or so. This is exactly […]
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