This article explores the internals of Oracle9i indexing; reviews the standard b-tree index, index-only tables, and how these indexes may increase the speed of Oracle SQL queries.

I'm on an Oracle 12c database; I have a column of data with values resembling this: HL7_Result_for_Message_ID_123Q324343.hl7 I need to grab that ID number (in bold), the challenge being that it ...

This study guide covers the internal workings of a basic SQL SELECT statement in Oracle. We'll focus on how the query retrieves data from a table and how it determines which rows to select. The query ...

Oracle Database can now be used directly by AI assistants via the Model Context Protocol (MCP). Oracle is integrating the ...

For the Oracle implementation, developers can use either Oracle SQL Developer with Microsoft Copilot for VSCode, or Oracle ...

This repository contains solutions to various database problems, including SQL queries and their Pandas equivalents. The solutions cover a wide range of SQL databases, such as MySQL, PostgreSQL, ...