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A database index is a data structure that improves the speed of data retrieval operations on a database table at the cost of additional writes and storage space to maintain the index data structure. Indexes are used to quickly locate data without having to search every row in a database table every time said table is accessed.
Microsoft SQL Server (Structured Query Language) is a proprietary relational database management system developed by Microsoft.As a database server, it is a software product with the primary function of storing and retrieving data as requested by other software applications—which may run either on the same computer or on another computer across a network (including the Internet).
In SQL Server, this type of index is called a filtered index. [1] Partial indexes have been supported in PostgreSQL since version 7.2, released in February 2002. [2] SQLite supports partial indexes since version 3.8.0. [3] MongoDB supports partial indexes since version 3.2. [4]
SQL includes operators and functions for calculating values on stored values. SQL allows the use of expressions in the select list to project data, as in the following example, which returns a list of books that cost more than 100.00 with an additional sales_tax column containing a sales tax figure calculated at 6% of the price.
When Melissa Lamesch is found dead at home in Mt. Morris, Illinois, on the day before Thanksgiving, authorities zero in on Matthew Plote, a man trained to save lives, not take them.
Microsoft SQL Server Management Studio (SSMS) is a software application developed by Microsoft that is used for configuring, managing, and administering all components within Microsoft SQL Server. First launched with Microsoft SQL Server 2005, it is the successor to the Enterprise Manager in SQL 2000 or before.
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Adobe expects foreign exchange volatility and the company's shift towards subscriptions to cut into its fiscal 2025 revenue by about $200 million. The company is making significant investments in ...