Here, we can merely use the ‘+’ operative in SQL. Write an SQL query to fetch all the students from table Students who either live in Delhi or studying a course with Course id -440? This question ...
Before you can document your SQL Server environment with SQL Power Doc you'll to meet the following requirements: Permissions - SQL Power Doc makes connections to standalone SQL Server instances using ...
A common SQL habit is to use SELECT * on a query, because it’s tedious to list all the columns you need. Plus, sometimes those columns may change over time, so why not just do things the easy way? But ...
Read this SQL tutorial to learn when to use SELECT, JOIN, subselects and UNION to access multiple tables with a single statement. It’s sometimes difficult to know which SQL syntax to use when ...
When designing objects in SQL Server, we must follow certain best practices. For example, a table should have primary keys, identity columns, clustered and unclustered indexes, data integrity and ...
Part of the SQL Server 2022 blog series. SQL Server 2022 introduces a handful of new members to the growing Intelligent Query Processing (IQP) family. These additions range from expanding and ...
An update to the cardinality estimator feature in SQL Server 2022 will be one of the biggest changes to the database engine since its inception. Database engines like SQL Server are incredibly complex ...
Here’s something that will Blow Your Mind if you’re a Power Query/M fan. Did you know that there’s a way you can get query folding to work if you’re using a native SQL query on SQL Server or Postgres ...