Here you can use one JOIN query instead of multiple queries. So you can use a large database to search, filter, organize, and more. 31. State the difference between the RIGHT JOIN and the LEFT JOIN. Both RIGHT JOIN and LEFT JOIN do the same thing: they return the result of a query...
3 answersOne of the answers was accepted by the question author. Best practices for joining tables of different collation property database Hi, I am trying to join two tables of databases present on same server but with different collation property and getting following error: What are the best...
Starting with SQL Server 2022 (16.x) Cumulative Update 6, you can configure transactional replication with Microsoft Entra authentication - generally available (GA) in Cumulative Update 12. Always encrypted with secure enclaves Support for JOIN, GROUP BY, and ORDER BY, and for text columns using...
1 What is the default join in SQL? Give an example query? 1 Describe all the joins with examples in SQL? 1 What is Union and Union All ? Explain the differences? SQL ServerWhat is a database?A database is described as an organized way of collection of DATA. It is the collection...
With PolyBase, you can create an external table in SQL Server. An external table is a connection to an external system and a dataset hosted there. Once created, clients can submit queries to the external table in exactly the same way they would to internal tables.JOINqueries can integrate da...
Complex SQL Queries Following are some very important Complex SQL Queries Examples with answers. I have tried to explain each and every query in detail so that everyone will get idea of how it is executed step-by-step. In SQL and PL SQL interviews we require to know the key and important...
but sometimes you actually want to allow all instances to have an equal share of the CPU, not a share based on how much work they have to get done. Think about a server with one instance running a decision support system (DSS) with a few very complex long-running queries, and another...
So it is clear that merge join will be better in this case. Estimated subTree cost is less for the query with merge joins, but both this queries are fast enough, there both do only 12 logical reads, so SQL Server decides that NESTED LOOP join is also good solution. Not let ad...
Indexes reduce query execution time by allowing faster access to rows, especially for queries with WHERE, JOIN, or ORDER BY clauses. However, indexes can slow down INSERT, UPDATE, and DELETE operations because the index also needs to be updated. ...
FULL OUTER JOIN returns all customers and all orders, matching them where possible. Advanced Techniques with Full Outer Join Using Common Table Expressions (CTEs) with FULL OUTER JOIN CTEs can simplify complex queries by breaking them into manageable parts. Assume, we have two tables: 'Sales' an...