Ok, I'm at a client site where they want to make a program database independent. This is a rewrite of an existing program that used an Access database only ...

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 ...

Type a SELECT statement to get information from your Oracle database, as in the following example:select name, address, city, state, zip_code from customers;In this command line, Oracle lists ...

When using query rewrite, you create materialized views satisfying the largest number of SQL queries. For example, if you identify 20 queries commonly applied to the detail or fact tables, you may ...