Email Alerts
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Database tip: All about subqueries
A continuation of Mich's response to a user's question about different types of joins. Tip
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Database tip: Understanding joins and set theory
Sybase expert Mich Talebzadeh provides an excerpt from his book explaining set theory and different types of joins. Tip
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MySQL, your SQL
Mike Hillyer answers users' questions about MySQL 5 and upgrading to MySQL from Oracle and Microsoft. Tip
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New product how-to: Installing Emic m/cluster
This is an overview of the installation process for Emic m/cluster, a single-image MySQL cluster for high availability, linear scalability and load balancing between cluster nodes. Tip
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How to use CHADDB, a free database for non-profits and churches
How to use CHADDB -- The Church Administration Database Tip
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Upgrading Oracle: Linux vs. Windows
An ITKnowledge Exchange member asked about moving Oracle from RISC/Unix to either Windows or Linux, and fellow techies jumped in on the conversation. Tip
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Sequence number differences between Oracle and MySQL
Nigel McFarlane points out some essential differences between Oracle and MySQL sequence numbers. Tip
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Which key is which?
A look at the differences between symmetric and asymmetric keys. Tip
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Remove unnecessary profiles
Why take these precautions? If you have profiles on a computer that are from people no longer with the company, they can constitute a severe security risk Tip