Technique #1: How to find duplicate values in SQL table Identifying duplicate values in a database is essential for maintaining data integrity and accuracy. To find duplicate values in an SQL table, you can utilize the “GROUP BY” and “HAVING” clauses along with aggregate functions. This...
This change was introduced in SQL Server 2022 (all editions) and included in Azure SQL Database and Azure SQL Managed Instance. Improved virtual log file (VLF) algorithms Virtual File Log (VLF) is an abstraction of the physical transaction log. Having a large number of small VLFs based on ...
Add basic support for hierarchyid type in SQL Server SSMA v8.2 The v8.2 release of SSMA for SAP ASE is enhanced with a targeted set of fixes designed to improve quality and conversion metrics, as well as fixes for: An issue with disabled nonclustered indexes after data migration. Detection ...
ndbinfo transporter_details table.Thetransporter_detailstable provides information about individual transporters used in an NDB cluster. It is otherwise similar to thendbinfotransporterstable, which provides such information in aggregate form. NDB 8.4.0 provides additional columns as compared to the version...
HAVING—The HAVING clause filters the result of aggregate functions in grouped information. It is similar to the WHERE clause in that the HAVING keyword is followed by an expression that evaluates to true, false, or unknown. You can test the expression by using standard comparison operators, Boo...
Finally, most analytics databases support Structured Query Language. Considering thatSQLis one of the most popular query languages in use today, SQL compatibility makes it easier for users to deal with and query the data in an analytics database. ...
3. Financial services.When it comes to security, it’s not just a few rogue attackers—you’re up against entire expert teams. Security landscapes and compliance requirements are constantly evolving. Big data helps you identify patterns in data that indicate fraud and aggregate large volumes of ...
There is no built-in support for SQL Server relational data. If you want to use SQL Server data, you can create data source objects and connections as you would from any client. As an adjunct to SQL Server, a standalone server is also useful as a powerful development environment if you...
T-SQL analytic functions can compute an aggregate value based on a group of rows. However, while an aggregate function will return one row for each group, analytic functions can return multiple rows. You can use analytic functions for ranking, percentiles, cumulative sums, and moving averages....
In this article Aggregate functions Analytic functions Bit manipulation functions Ranking functions Show 6 more Applies to: SQL Server Azure SQL Database Azure SQL Managed Instance Azure Synapse Analytics Analytics Platform System (PDW) SQL analytics endpoint in Microsoft Fabric Warehouse in ...