Oracle sequences – 12c features including “identity”
Oracle added several enhancements to the sequence object in version 12c, including an “identity” column feature. Jonathan Lewis explains how to work with these new features.
2021-09-10
Oracle
Typical uses of Oracle sequences
Oracle sequences supply unique numbers that can be used when populating tables. In this article, Jonathan Lewis explains the typical uses of Oracle sequences.
2021-08-04
Oracle Sequences: RAC
Using sequences when scaling up with Oracle RAC presents more issues with contention. In this article, Jonathan Lewis explains how to avoid the problems.
2021-05-31
Oracle sequences: The basics
Oracle sequences can be used to create artificial IDs for a table. In this article, Jonathan Lewis explains how they work under-the-hood.
2021-04-14
Oracle archived redo size – the research
Oracle archived redo size may be smaller than that of online redo log files. In this article, Jonathan Lewis takes a deeper look.
2021-02-04
Are your Oracle archived log files much too small?
Oracle sometimes generates smaller archived redo logs than you might expect based on the size of the online redo logs. In this article, Jonathan Lewis explains how Oracle uses online redo logs and why there might be a discrepancy in the archived log size.
2020-12-21
SQL Developer – A great tool and better ways to use it
SQL Developer is a popular free tool for working with Oracle databases. In this article Srinivasan Suresh explains several features of SQL Developer that can make you more productive.
2020-12-11
Why choose Oracle?
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.
2020-10-28
What is Oracle ASM to Azure IaaS?
Kellyn Pot'Vin-Gorman explains Oracle Automatic Storage Management and why it’s impossible to do a comparison to Azure IaaS.
2020-10-14
Automating Oracle Database Deployments using the Hybrid Approach
Learn how to use the 'hybrid' approach in the Deployment Suite for Oracle to automate Oracle database deployments. In this approach, the team maintains the current state of the database in version control during development, then, at key stages, generates and tests the migrations script that will be used to deploy the new database changes safely.
2020-07-07
Blogs
How to: Regain SysAdmin Access to a SQL Server Instance Without the SA Password
By gbargsley
Hello, reader! Today, I’m going to walk you through a scenario that many DBAs...
Secure Your SQL Estate: Best Practices for Azure SQL Security
By Chris Yates
The Castle and the Keys Imagine your Azure SQL environment as a sprawling digital...
The Book of Redgate: Meetings
By Steve Jones
I think we might have forgotten this a bit, but on one of the...
Forums
Visual Studio SSIS Package Showing Up Blank
Hi all, this is my first time posting on this forum, thank you all...
MySQL 5.6 not writing any logs
We are using MySQL version 5.6 in our Windows Server 2012 R2 environment. We...
How to resolve issue of custom Audit log table containing incorrect data?
We have created a parent table, child table & Audit log table in SQL...
Question of the Day
Change Tracking Default Retention
I run this command on my SQL Server 2022 database:
ALTER DATABASE AdventureWorks2017 SET CHANGE_TRACKING = ON;What is the default data retention period? See possible answers