All articles

Display Data Guard configuration in SQL Developer

By Franck Pachot . The latest version of SQL Developer, the 17.2 one released after Q2 of 2017, has a new item in the DBA view showing the Data Guard configuration. This is the occasion to show how you can(…)

Postgres vs. Oracle access paths I – Seq Scan

By Franck Pachot . Here is the first test I've done for my Postgres vs. Oracle access paths series and the first query did a sequential scan. It illustrates the first constant you find in the(…)

Postgres unique constraint

By Franck Pachot . I'll start a series on Postgres vs. Oracle access paths because I know Oracle and I learn Postgres. While preparing it, I came upon some surprises because I'm so used to Oracle(…)

Postgres vs. Oracle access paths – intro

By Franck Pachot . This is the start of a series on PostgreSQL execution plans, access path, join methods, hints and execution statistics. The approach will compare Postgres and Oracle. It is not a comparison to see which one is(…)

PostgreSQL on Cygwin

By Franck Pachot . I run my laptop with Windows 10 for office programs, and VirtualBox machines with Linux for the big stuff (Oracle databases). I have also Cygwin installed on Windows for GNU programs. I wanted to quickly install(…)

Postgres vs. Oracle access paths VII – Bitmap Index Scan

By Franck Pachot . In the previous post we have seen the Index Scan, where a where clause condition uses the index structure to find rows and then fetches remaining columns from the table. The case(…)

Re-assigning all objects from on role to another in PostgreSQL

From time to time it might be required to move objects (tables, indexes, whatever) from one user to another user in a database system. You could do that by dumping all the objects with pg_dump and then(…)

Documentum – Change password – 8 – FT – Dsearch & xDB

Here we are, already, at the end of my series of blogs about the “Change Password”. This blog will, as already mentioned in a previous one, talk about the Dsearch and xDB passwords. I could have created a lot more(…)

Documentum – Change password – 7 – DB – Schema Owner

In this serie, I completed the passwords I wanted to talk about on the Content Server. Therefore in this blog, I will talk about the only Database Account that is relevant for Documentum: the Database Schema Owner. Since there are(…)

Documentum – Change password – 6 – CS/FT – JKS

Just like for the JBoss Admin password (here), this blog will be for both Content Servers and Full Text Servers. I will provide commands below to(…)