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Explain Plan, Autotrace and Diff

2 minute read

A SQL statement can be executed in many different ways, such as full table scans, index scans, nested loops, and hash joins. The query optimizer determines t...

UKOUG 2011

less than 1 minute read

I’m speaking next week at the UK Oracle User Group at the ICC in Birmingham. The topic will be one I’ve posted several times about which is Tuning, Refactori...

login.sql, SQLPROMPT and worksheets

1 minute read

SQLDeveloper has had support for a login.sql for several releases now.  You can set this in the preferences at

Substitution Variables in SQL*Plus

2 minute read

Working through security issues uncovers some interesting things. Anyone who has developed scripts for building out schemas for an application will have had ...

SQLPLus as an external tool in SQLDeveloper

1 minute read

@thatjeffsmith asked me today about running SQL*Plus from SQLDeveloper for his current sql file.  This has been shown before, but there is a simple way to ad...

Proxy Connections

1 minute read

While looking at some issues with specific connection upgrades, I’ve been playing with proxy connections in SQL Developer, and while easy to do, can be inter...

SQL Developer 3.1 EA1 Available

less than 1 minute read

SQL Developer 3.1 EA is now available for download here.   Have a look and try out several of the new features introduced as part of this release.  We have d...

Tuning, Refactoring and Instrumentation

less than 1 minute read

For all those who attended the talk today, this is a promise partially fulfilled in that I had said I would post in more detail about the talk.  At a high le...

SQL Developer Data Pump Support - Part 2

2 minute read

Welcome to part 2 of this feature on our introduction of data pump functionality into SQL Developer.  Previously, we walked through exporting from the databa...