Oracle

External Article

Automatic UNDO in Oracle

  • Article

Automatic UNDO Management isn't voodoo or black magic, although it can seem that way when it isn't clearly understood. How does Oracle decide how many UNDO segments to create at startup, and what is the underlying goal of the process? David Fitzjarrell investigates.

2015-10-06

3,322 reads

External Article

Deciding on a Primary Key in Oracle

  • Article

Designing a system with primary keys in mind is not an easy task, and the solutions may not be the simplest. However the effort is well worth the time and trouble when you realize that it's the best way to prevent duplicate data - but how do you choose a primary key? David Fitzjarrell looks at several examples.

2015-08-25

4,312 reads

External Article

Webinar: Oracle Exadata & In-Memory Real-World Performance

  • Article

On January 28th 3PM GMT, Randolf Geist will present a free, one-hour webinar analyzing different database query profiles based on a real-world customer case. He'll also look at how these different profiles influence the efficiency of Exadata's features and the new Oracle In-Memory column store option. Register now.

2015-01-23

8,371 reads

SQLServerCentral Article

Free Webinar: Statistics in Oracle and SQL Server

  • Article

In their third live 'Oracle vs. SQL Server' discussion, Jonathan Lewis (Oracle Ace Director, OakTable Network) and Grant Fritchey (Microsoft SQL Server MVP) will look at statistics in Oracle and SQL Server. Expect a lively debate on Oracle vs. SQL Server from two leading RDBMS experts on Jan 23, 2013.

2013-01-22 (first published: )

2,679 reads

External Article

Oracle to SQL Server: Crossing the Great Divide, Part 1

  • Article

When a SQL expert moves from Oracle to SQL Server, he can spot obvious strengths and weaknesses in the product that are too familiar to be apparent to the SQL Server DBA. Jonathan Lewis is one such expert: In this article he records his train of thought whilst investigating the mechanics of the SQL Server database engine. The result makes interesting reading.

2010-05-10

3,704 reads

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