How to Create a SQL Server Linked Server to Oracle 26ai Free
Easily move data from SQL Server to Oracle 26ai Free with this step-by-step guide.
2026-01-26
Easily move data from SQL Server to Oracle 26ai Free with this step-by-step guide.
2026-01-26
Here are a few things every Oracle DBA should know about performance in their databases.
2025-10-03
1,811 reads
In this document I will share an overview of Oracle’s architecture that isn’t complete, but it will give you a basic understanding of how the architecture works, especially if you are coming from other database platforms.
2025-01-24
In this article, learn how to query cached query statistics and execution plans for Oracle or SQL Server to identify code that can be optimized to improve performance.
2023-07-21
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. In this article, I will introduce the basic SELECT statement fetching data from just one table.
2023-06-21
The Oracle optimizer often changes the query to get better performance. In this article, Jonathan Lewis explains two more optimizations involving subqueries.
2022-05-25
Part 1: What is testable code, why is it important, and first glimpses on practices that can help
2022-04-27
In this article, Jonathan Lewis discusses why you might want to stop the optimizer from unnesting some subqueries and how to control where the optimizer positions each subquery.
2022-04-11
IN and NOT IN subqueries are frequently used in Oracle. Jonathan Lewis explains how the optimizer handles NULL with IN and NOT IN.
2022-03-18
This article looks at the way in which you can convert unmanaged devices to the ASM filter drive in an Oracle system.
2022-03-04
4,664 reads
By SQLPals
SQL Server instance metadata inventory with PowerShell and SMO The purpose...
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By Arun Sirpal
Every Claude conversation has a context window. It is the total amount of text...
Comments posted to this topic are about the item Celebrating 30 years of PostgreSQL,...
Hello, has anyone here ever provisioned and actually used an MS SQL Server with...
Comments posted to this topic are about the item No More Deadlocks
After detecting deadlocks in SQL Server 2025 and lowering the time threshold for detecting future issues, when does the Database Engine return to the 5s default interval?
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