The primary key column is often set to auto-increment when constructing a SQL Server database. To achieve this, the IDENTITY property is enabled on the primary key column. The starting value and ...

Preparing for a SQL job interview? Find out the top 25 SQL Query Interview Questions & Answers in this article.

Due to zero-based counting, indexes 1 and 2 map to the second and third columns in the Player table, which are the handle and the emailAddress. When the code builds and runs, the output is as follows: ...

Read this SQL tutorial to learn when to use SELECT, JOIN, subselects and UNION to access multiple tables with a single statement.

Joey on SQL Server Deep Dive into SQL Server 2022's Query Performance Features, Part 2: PSP Optimization Reduce workload times with this handy feature that can benefit every database pro.

Removing duplicates rows from a unique index SQL Server table You can use the index to classify the duplicate data in unique index tables then delete the duplicate records. First, we need to create a ...

Joey on SQL Server A Deep Dive into SQL Server 2022's Query Performance Features, Part 1 An update to the cardinality estimator feature in SQL Server 2022 will be one of the biggest changes to the ...

The data type xml cannot be used as an operand to the UNION, INTERSECT or EXCEPT operators because it is not comparable. It doesn't matter whether the XML field is affected or not in the query.

All these three things are necessary to get a properly typed numeric column in your Power Query query – if you vary from this too much then folding won’t happen. It’s also possible to use this ...