Category Archives: performance

Don’t Forget the Free Space

When you design your databases you must take care to specify appropriate free space to allow for data growth. Free space, sometimes called fill factor, is a DDL option that can be specified when creating or altering your table spaces … Continue reading

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Monitoring MySQL and MariaDB Instances

Database performance monitoring and tuning is one of the biggest DBA responsibilities. The old maxim that if something can go wrong, it will, seems to be the general rule in the world of database administration. So, DBAs need effective tools … Continue reading

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A High-Level Guide to SQL Tuning

SQL tuning is a complicated task and to cover it adequately requires a full-length book of its own – actually, perhaps several if you use multiple DBMS products. That said, there are some good high-level SQL tuning suggestions that should … Continue reading

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SQL Coding and Tuning for Efficiency

Coding and tuning SQL is one of the most time consuming tasks for those involved in coding, managing and administering relational databases and applications. There can be literally thousands of individual SQL statements across hundreds of applications that access your … Continue reading

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A Good Start for Your SQL Library

Every professional programmer (and DBA) should have a library of books on SQL fundamentals. There are many SQL titles to choose from, and a lot of them are very good. But you can’t buy them all unless you are independently … Continue reading

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A Database Performance Tuning Primer

In a recent series of posts to this blog I outlined a dozen SQL rules of thumb to follow as you design and code your database applications. These articles can be found at the following links: A Dozen SQL Rules … Continue reading

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Managing Database Application Performance

A database application requires constant interaction between various disparate computing resources to operate efficiently and according to specifications. Realistically, the tuning of a database application can be broken down into three components: system tuning, database tuning, and application tuning. All … Continue reading

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A Dozen SQL Rules of Thumb, Part 3

Today we pick up our three-part series of SQL rules of thumb (ROTs) with the third and final installment… You can think of these rules as general guiding principles you should follow as your write SQL statements… and we start … Continue reading

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A Dozen SQL Rules of Thumb, Part 2

Today’s blog post picks up where we left off in our three-part series of rules of thumb (ROTs) that apply generally to SQL development regardless of the underlying DBMS. These are the general guiding principles by which your SQL development should … Continue reading

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Designing Applications for Relational Access

Application design is an important component of assuring relational database performance and efficiency. When performance problems persist it may become necessary to revisit application design. But redesigning and re-coding your applications can be time-consuming and costly, so it is better … Continue reading

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