which are required when the SQL optimizer cannot find an efficient way to service the SQL query. I begin our look at Oracle9i indexing with a review of standard Oracle b-tree index methodologies.

The "Advanced SQL for Query Tuning and Performance Optimization" course will teach you everything you need to know about writing optimized queries. The course begins with an introduction to ...

“SQL on everything” is the tagline associated with Presto, the query engine that was initially developed by Facebook to rapidly analyze massive amounts of data — particularly data that lay ...

In part 1 of my SQL Server 2022 features series, you learned about the improvements to the cardinality estimator component of query optimization. In this installment, you will learn about another ...

If you're seeking to optimize your SQL queries and make the most of your database, this fundamental guide is an excellent resource. You'll learn the essential techniques to enhance database ...

HOUSTON--(BUSINESS WIRE)--IDERA today released SQL Query Store Optimizer, the latest free tool in its portfolio of database monitoring tools, to help database administrators (DBAs) easily manage ...

Prior to SQL Server 2017, query processing was a monolithic process. The SQL Server query optimizer would first construct a query plan for a batch of T-SQL code, a stored procedure, or function and ...

In the advanced case of ... back from the ideas that SQL statements should be standardized and that performance concerns should be left to the database query optimizer. In the end, a doubling ...

an advanced cost-based optimizer for big data, previously codenamed “Orca.” The optimizer allows users to make use of full ANSI SQL compliant queries against Hadoop. While some basic queries ...

In this two-part series, I'll tell you about some improvements Microsoft is making in SQL Server 2022 to improve cardinality estimates and deal with another common query optimization concern ...