Learn validating JSON parameters before changing data with ISJSON, JSON_PATH_EXISTS, TRY_CAST, and a single clear list of input errors.
SQL Server emergency? Email pinal@sqlauthority.com with URGENT in the subject line.
SQL SERVER – Difference Between Candidate Keys and Primary Key In Simple Words
The difference between candidate keys and primary key in simple words: any unique column can be a candidate key, but only one becomes the primary key.
SQL SERVER – Introduction to Business Intelligence – Important Terms & Definitions
What is Business Intelligence? A plain introduction to BI and the key terms that go with it, like decision support, data mining, OLAP, reporting and forecasting.
Finding the Slowest Statement Inside a Stored Procedure
Find the slowest statement inside a stored procedure using query stats offsets, CPU and read totals, then confirm with Query Store.
SQL SERVER – Change Collation of Database Column – T-SQL Script – Consolidating Collations – Extention Script
Brian Cidern’s extension script for consolidating collations across a database, a big help when you face the annoying cannot resolve collation error.
Auditing SELECT Statements on Sensitive Tables
Auditing SELECT statements on sensitive tables needs a narrow database audit, protected files, volume checks, and active review.
Adding Business Hours to a Timestamp in T-SQL
Add business hours through a stored work calendar, skip closed dates and nights, and calculate ticket deadlines without a minute loop.
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