16 March 2023
16 March 2023

The SELECT Statement in Oracle

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The SELECT statement is used to retrieve information from a database. Following the execution of a SELECT statement, a tabular result is held in a result table (called a result set). It allows you to select the table columns depending on a set of criteria. SELECT statements might be as straightforward as selecting a few … Read more
26 October 2022
26 October 2022

Oracle optimizer Or Expansion Transformations

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The previous installment of this series examined aggregate subquery removal and subquery coalescing, describing the latter as similar in some ways to an inverse for “Or Expansion” and “Join Factorization”. In this instalment, it’s time to take a closer look at Or Expansion and we’ll move on to Join Factorization in the next instalment.… Read more
28 September 2020
28 September 2020

Why choose Oracle?

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Oracle has been established as one of the top database systems used in enterprises throughout the world. In this article, Cynthia Dzikiti describes her career as an Oracle application developer and covers some of the benefits of Oracle.… Read more