Some database design guidelines and best practices
Below are some best practices known within the SQL Server database community use when designing tables. 1. All data columns should be properly…
Category: Queries
How SQL Server processes a query
The logical order in which SQL Server parses a query and generates an execution plan: 1. FROM [left_table] 2. ON [join_condition] 3. [join_type]…
A Visual Explanation of SQL Joins
A good blog-post on joins from a visual aspect. Nicely done. A Visual Explanation of SQL Joins Views – 926
Resolving “Cannot resolve collation conflict for equal to operation”
I recently had to run a query for one of our developers where the script was inserting a number of rows. All went…
Why using GUIDs as Primary Keys on a Clustered Index (Table) is not a good idea and some alternative approaches
Here is a great blog post by Kimberly Tripp on why using GUIDs as a PRIMARY KEY on a CLUSTERED index is a…
Why use of VARCHAR(MAX) should be avoided
Here is a good blog post on a comparison of VARCHAR(MAX) versus VARCHAR(N): Performance comparison of varchar(max) vs. varchar(N) Views – 886
PASS 2015 – Seattle WA – Day 3
PASS 2015 10-28-30 Seattle WA SQL Server Indexing for Performance Kimberly Trip NOTE: Narrow NC indexes very rarely are useful. NOTE: Putting a…
PASS 2015 – Seattle WA – Pre-Con Day 2 – Dmitri Korotkevitch
PASS 2015 10-27-30 Seattle WA Pre-Con Day 2 – SQL Server Internals – The Practical Angle Dmitri Korotkevitch Data Storage 101 Data Pages…
PASS 2015 – Seattle WA – Pre-Con Day 1 – Pinal Dave
PASS 2015 10-26-30 Seattle WA Pre-Con Day 1 – 42 Tips to Performance Tuning, Optimization and Everything Pinal Dave TODO: Write missing index…
About Trusted Foreign Key Contraints
I will post some of my findings about trusted foreign keys and constants here since this has become a minor issue at work.…