Beratung und Softwareentwicklung

Mein Name ist Stefanie Janine Stölting. ich Untersütze meine Kunden im Backend Development mit einem Fokus auf PostgreSQL, Git, Open Source, SQL, PL/pgSQL, PHP als selbstständige Software Entwicklerin.

Darüber hinaus gebe ich Vorträge über PostgreSQL und die in diesem Umfeld benutzten Tools auf Software Konferenzen, bevorzugt in Englisch.

 

Aktuelle News

Vortrag "PostgreSQL JSON Features – Heute und in der Zukunft" gegeben auf dem PGDay Austria 2019 auf Gitlab und GitHub

Veröffentlicht am 06.09.2019

Ich habe den Vortrag "PostgreSQL JSON Features – Heute und in der Zukunft", den ich auf dem PGDay Austria 2019, gehalten habe, auf Gitlab unter https://gitlab.com/sjstoelting/talks/tree/master/PostgreSQL-JSON-Features-Current-And-Future-PGDay-Austria-2019 und GitHub unter https://gitlab.com/sjstoelting/talks/tree/master/PostgreSQL-JSON-Features-Current-And-Future-PGDay-Austria-2019 veröffentlicht.

Enthalten sind die Folien als ODF und PDF, sowie den SQL Code, der in den Live Beispielen benutzt wurde.

weiter lesen...

Neue Version pgsql_tweaks: 0.3.0

Veröffentlicht am 06.12.2018

Die PostgreSQL Erweiterung pgxsql_tweaks ist in einer neuen Version verfügbar.

Das Repository wird nun auf GitLab gehostet, auf GitHub bleibt eine Kopie.

In dieser Version wurde ein Fehler beseitigt, der die Installation bei PostgreSQL 11 betraf, siehe https://gitlab.com/sjstoelting/pgsql-tweaks/issues/1.

Darüber hinaus wird die Funktion sha256() jetzt installiert, wenn bei der Installation die Erweiterung pgcrypto gefunden wird.

Die Release Notes in Englisch für diese Version sind unter https://gitlab.com/sjstoelting/pgsql-tweaks/tags/v0.3.0 zu finden.

Neue Funktion:

  • array_trim
    Kann leere und/oder doppelte Einträge aus einem Array entfernen

Neuer View:

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ezSQL auf upstream umgestellt

Veröffentlicht am 11.10.2018

Da meine Erweiterungen von ezSQL mittlerweile in das Projekt übernommen wurden, sollte nunmehr wieder ezSQL selbst verwerndet werden.

weiter lesen...

Neue Version pgsql_tweaks: 0.2.4

Veröffentlicht am 03.07.2018

Die PostgreSQL Erweiterung pgxsql_tweaks ist in einer neuen Version verfügbar.

Neue Funktionen:

  • is_json
    Prüft einen als Parameter übergebenen Text, ob es sich um JSON handelt
  • is_jsonb
    Prüft einen als Parameter übergebenen Text, ob es sich um JSONB handelt

Darüber hinaus ist eine HTML Hllfe Datei verfügbar.

weiter lesen...

pgsql_tweaks über PGXN verfügbar

Veröffentlicht am 30.05.2018

Die PostgreSQL Erweiterung pgsql_tweaks ist jetzt auch über PGXN verfügbar und damit enfach zu installieren.

weiter lesen...

English News

Talk "PostgreSQL JSON Features – Heute und in der Zukunft" at PGDay Austria 2019 on Gitlab and GitHub

Published on 2019-09-06

I've published my talk "PostgreSQL JSON Features – Heute und in der Zukunft" given at PGDay Austria 2019, on Gitlab at https://gitlab.com/sjstoelting/talks/tree/master/PostgreSQL-JSON-Features-Current-And-Future-PGDay-Austria-2019 and GitHub at https://gitlab.com/sjstoelting/talks/tree/master/PostgreSQL-JSON-Features-Current-And-Future-PGDay-Austria-2019.

It does include the slides as ODF and PDF and the SQL used for the live database examples.

read on...

Talk "PostgreSQL As data Integration Tool" at pgDay Paris 2019 on Gitlab and GitHub

Published on 2019-03-13

I've published my talk "PostgreSQL As data Integration Tool" given at pgDay Paris 2018, Paris, France, on Gitlab at https://gitlab.com/sjstoelting/talks/tree/master/postgresql-as-data-integration-tool-pgDay-Paris-2019 and GitHub at https://github.com/sjstoelting/talks/tree/master/postgresql-as-data-integration-tool-pgDay-Paris-2019.

It does include the slides as ODF and PDF and the SQL used for the live database examples.

read on...

Switched ezSQL to upstream

Published on 2018-10-11

Because all my changes have been merged into ezSQL you should now use the original ezSQL sources.

read on...

Talk "PostgreSQL As data Integration Tool" at PGDay Amsterdam 2018 on GitHub

Published on 2018-08-02

I've published my talk "PostgreSQL As data Integration Tool" given at PGDay Amsterdam 2018, Netherlands, on GitHub.

It does include the slides as ODF and PDF and the SQL used for the live database examples.

read on...

Talk "One Database To Rule 'em All" at #bbuzz 2017 on GitHub

Published on 2017-06-22

I've published my talk "One Database To Rule 'em All" given at the Berlin Buzzwords 2017 in Berlin, Germany, on GitHub at https://github.com/sjstoelting/talks/tree/master/one-database-to-rule-em-all.buzzwords-berlin-2017.

It does include the slides as ODF and PDF and the SQL used for the live database examples.

read on...

Talk "NoSQL The SQL Way" at PostgreSQL Meetup Group Berlin in March 2017

Published on 2017-04-01

On 30th of March 2017 I gave a talk at PostgreSQL Meetup Group Berlin about JSON in PostgreSQL

You could find my slides and the SQL code on GitHub.

read on...

Talk "One Database To Rule 'em All" at #pgconfeu 2016 on GitHub

Published on 2016-11-04

I've published my talk "One Database To Rule 'em All" given at the European PostgreSQL Conference 2016 in Tallinn, Estonia on GitHub at https://github.com/sjstoelting/talks/tree/master/one-database-to-rule-em-all.pgconfeu-2016.

It does include the slides as ODF and PDF and the SQL used for the live database examples.

read on...

Talk at FrOSCon 2016 "NoSQL as Not Only SQL"

Published on 2016-10-23

I've published my talk "NoSQL as Not Only SQL" at Backup Berlin 21st November 2015 on GitHub at https://github.com/sjstoelting/talks/tree/master/no-sql-as-not-only-sql

read on...

Talk "JSON By Example"

Published on 2016-02-01

I published my talk "JSON By Example" in PostgreSQL Developer Raum at the FOSDEM on 31st of January 2016 including the SQL statements on GitHub https://github.com/sjstoelting/talks/tree/master/json-by-example.

read on...

Talk "NoSQL as Not Only SQL"

Published on 2016-01-08

I've published my talk "NoSQL as Not Only SQL" at Backup Berlin 21st November 2015 on GitHub at https://github.com/sjstoelting/talks/tree/master/no-sql-as-not-only-sql

read on...

Talk "One Database To Rule 'em All" on GitHub

Published on 2016-01-08

I've published my talk "One Database To Rule 'em All" at the Berlin PHP Usergroup on  7rd  November 2015 on GitHub at https://github.com/sjstoelting/talks/tree/master/one-database-to-rule-em-all.

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Talk "JSON By The Other Elephant" on GitHub

Published on 2016-01-08

I've published my talk "JSON By The Other Elephant" at the Berlin PHP Usergroup on 7th July 2015 on GitHub at https://github.com/sjstoelting/talks/tree/master/json-by-the-other-elephant.

read on...

Talk at PHP Usergroup Düsseldorf

Published on 2015-03-27

On Thaturday, 19th of March I gave a talk at the PHP Usergroup Düsseldorf about PostgreSQL from a developers perspective.

The repositary can be found at https://github.com/sjstoelting/talks/tree/master/meet-the-other-elephant zu finden.

read on...

Extended ezSQL with a mysqli class

Published on 2014-02-19

Added the new class ezSQL_mysql to use mysqli. To update existing projects, just change the class you are using from ezSQL_mysql to ezSQL_mysqli. This class is downward compatible to ezSQL_mysql, but is able to use prepared statements.
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Extended ezSQL MySQL quick_connect method

Published on 2013-12-15

The method quick_connect in the MySQL class is extended with a parameter to pass the charset.

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Client site connection pooling with ezSQL3 on Oracle

Published on 2013-08-24

The support of Oracle databases in ezSQL3 is extended in ez_sql_oracleTNS with client site connection pooling.

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Extended the Oralce Support of ezSQL3

Published on 2013-06-01

The support of Oracle databases in ezSQL3 was extended.

The connection can now be done without the TNSNAMES.ora. This is realized in a new class, ez_sql_oracleTNS.php.

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PHPIDS for MODX 0.7.1.5

Published on 2012-03-31

The current release of PHPIDS for MODX is a bug fix.

The following tickets are fixed:

Due to the current state of PHPIDS, two functions do not work as expected:

  • The demo link for testing possible attacks ends on an empty page.
  • The calculation of hashes for filter updates fails.

I've also updated jQuery to version 1.7.2.

read on...

htmlToPDF 0.1.3.2 released

Published on 2012-03-26

Today I released version 0.1.3.2 of htmlToPDF for MODX Evolution.

The following changes where done

  • TCPDF is updated to Version 5.9.152.
read on...