Constraints and declarative referential integrity
Database systems have powerful features built right in that can ensure the integrity of data. In this article, Joe Celko discusses keys and constraints.
2021-05-28
databases
SQL Server security – Providing a security model using user-defined roles
Greg Larsen continues his series and shows how user-defined roles roles can control SQL Server security.
2021-05-24
How to choose between SQL and NoSQL databases
Organizations have many choices when it comes to databases. In this article, Robert Sheldon explains how to choose between SQL and NoSQL databases.
2021-05-19
SQL Window Functions in SQL Server, Oracle and PostgreSQL
In this article we look at using Window Functions in SQL Server, Oracle and PostgreSQL to see the differences and similarities of the syntax.
2021-04-19
Where I See Databases Going in the Next 10 Years
This month, to mark the 20th anniversary of BrentOzar.com, Brent steps back and looks at the big picture.
2021-04-06
Checking for Missing Module References in a SQL Server Database Using Flyway
There are certain checks that need to be done after a database migration is complete. One good example of this is the check that a migration script, such as one that merges changes from a branch into main, doesn't cause 'invalid objects' (a.k.a. 'missing references') in your databases. I'll show you how to run this check, using sp_RefreshSQLModule, and incorporate it into a Flyway "after" migration script.
2021-03-25
Azure AD Authentication for Azure SQL Databases
In this article we walk through how to connect to Azure SQL Database using Azure Active Directory authentication along with multi-factor authentication.
2021-03-19
Getting Data In and Out of SQL Server Flyway Builds
Phil Factor provides SQL routines to extract data from and load data into a SQL Server database, using BCP, and then a PowerShell automation script that uses Flyway to automatically build a database, from scratch and then fill it with data, ready for testing.
2021-03-10
Using Azure SQL Data Sync to Replicate Data
Learn how to setup and use Azure SQL Data Sync to synchronize and replicate data from various locations including Azure SQL Database, cloud and on-premises databases.
2021-03-02
What will you learn at the Redgate Summit?
There's just 1 week left until the Redgate Summit: The Future of Database DevOps. Check out this blogpost for what's in store, spoilers from our speakers on what they're most excited to share on the day, and why you should attend.
2021-02-09
Blogs
macOS Tahoe breaks SQL Server on Docker containers on Apple silicon
The honeymoon is over, and macOS 26 Tahoe broke the Rosetta 2 emulation layer...
From Firefighting to Future‑Building: SQL Server 2025 and the New DataOps Mindset
By Chris Yates
There are moments in technology when the ground shifts beneath our feet. Moments when...
Why Developers Shouldn’t Have sysadmin access in SQL Server
Why Developers Shouldn’t Have sysadmin access in SQL Server 7 reasons—and exactly what to do instead It...
Forums
Extract from sql.to multiple sheets
Import-Module ImportExcel # Path to your .sql file $sqlFile = "C:\Data\MyQueries.sql" $excelPath = "C:\Data\SqlExtract_$(Get-Date...
sp_prepare and sp_execute vs sp_executesql
I have noticed sp_executesql also makes a single plan for a stmt with parameter...
Question of the Day
Who am I?
If I want to track which login called a stored procedure and use the value in an audit, what function can I use to replace the xxx below?
create procedure AddNewCustomer
@customername varchar(200)
AS
BEGIN
DECLARE @added VARCHAR(100)
SELECT @added = xxx
IF @customername IS NOT NULL
INSERT dbo.Customer
(
CustomerName,
AddedBy
)
VALUES
(@customername, @added)
END See possible answers