Databases are intricate systems that enable us to store, retrieve, and manipulate data in highly efficient ways. Within the realm of SQL (Structured Query Language), there exists a powerful feature known as the “subquery”. This is a tool that gives developers the flexibility to extract complex...
What is difference between unique and distinct in SQL? The main difference between Unique and Distinct in SQL is thatUnique helps to ensure that all the values in a column are differentwhile Distinct helps to remove all the duplicate records when retrieving the records from a table. What is d...
(15.x), it was used only when a query included operations with columnstore indexes. However, some applications might use features that aren't supported with columnstore indexes and, therefore, can't use batch mode. Starting with SQL Server 2019 (15.x), batch mode is enabled on eligible ...
In this query, the Employees table is the left table, and we perform a LEFT OUTER JOIN with the Departments table using the join conditionE.DepartmentID = D.DepartmentID. This ensures that all employees from the Employees table are included in the result set, regardless of whether they have ...
Object storage integration SQL Server 2022 (16.x) introduces new object storage integration to the data platform, enabling you to integrate SQL Server with S3-compatible object storage, in addition to Azure Storage. The first is backup to URL and the second is Data Lake Virtualization.Data Lake...
In Report Builder and SSDT, you can create native DAX queries against supported SSAS tabular data models. Use the query designer in both tools to drag and drop the fields you want. The DAX query is then generated for you. For more information, see Reporting Services blog. Download SQL Serve...
Always Encrypted:When enabled, only the application that has the encryption key can access the encrypted sensitive data in the SQL Server 2016 database. The key is never passed to SQL Server. Dynamic Data Masking:If specified in the table definition, masked data is hidden from most users, and...
(MDX) clients, such as Microsoft Excel, can now enjoy improved query performance.With an update of the Analysis Services tabular engine in SQL Server 2022, previously only available and Azure Analysis Services, performance improvement alleviates some of the optimization burden for measures used in a...
you can search foruserID 123 OR 1=1. This addition to this query makes it accurate irrespective of the userID included in the query, which means the query can return all user data if the SQL system is programmed to simply check for actual values between the query and database entries. ...
SQL Server 2019 Analysis Services GA (Generally Available) Tabular model compatibility level This release introduces the 1500 compatibility level for tabular models. Query interleaving Query interleaving is a tabular mode system configuration that can improve user query response times in high-concurrency sc...