Concurrency: Inconsistent Analysis
A closer look at the Repeatable Read Transaction Isolation Level and how it could help with Inconsistent Analysis concurrency issues in SQL Server.
MCT
Concurrency: Lost Updates
A closer look at the Read Committed Transaction Isolation Level and how it could allow Lost Update concurrency issues in SQL Server.
Concurrency: Dirty Reads
A closer look at the Read Uncommitted Transaction Isolation Level and how it could allow Dirty Reads in SQL Server.
What are Locks?
What is a Lock? What is the process that transactions use to lock records to provide transaction isolation.
Transaction Isolation Levels
Transaction Isolation Levels are used to control data access concurrency. Concurrency controls can be Pessimistic or Optimistic.
Transactions and Errors
SQL Transaction and Error Handling? What is the difference between Auto-Commit and Explicit Transactions and how transaction affect Errors and Exception Handling?
What are Transactions?
The ACID properties of SQL Transactions, What are the different ACID properties of a transaction how they ensure that data is Atomic, Consistent, Isolated, and Durable.
Restore and Recovery
The restoration process of a SQL Server database passes through two phases: Restore and Recovery.
Azure and M365 Fundamentals
Yes, I have been slacking a little on the certification exams. But I’ve been a little busy the last couple of months. I have plans to add many of the new role based certifications to my list once the Microsoft courseware comes out. But in the meantime, I did pass…
Writing T-SQL Queries
In late 2018, I recorded a series of videos for APRESS publishing on how to write T-SQL Queries. (I have linked to the O’Reilly website below.) There are four titles in the series with each title about 45 minutes in length. The first is how to write a T-SQL SELECT…