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Lookup table. In computer science, a lookup table (LUT) is an array that replaces runtime computation with a simpler array indexing operation, in a process termed as direct addressing. The savings in processing time can be significant, because retrieving a value from memory is often faster than carrying out an "expensive" computation or input ...
Microsoft Excel is a spreadsheet editor developed by Microsoft for Windows, macOS, Android, iOS and iPadOS. It features calculation or computation capabilities, graphing tools, pivot tables, and a macro programming language called Visual Basic for Applications (VBA). Excel forms part of the Microsoft 365 suite of software.
Pivot table. A pivot table is a table of values which are aggregations of groups of individual values from a more extensive table (such as from a database, spreadsheet, or business intelligence program) within one or more discrete categories. The aggregations or summaries of the groups of the individual terms might include sums, averages ...
With apparently nothing better to do on Wednesday, Clark tried her hand at play-by-play for a game between the Milwaukee Brewers and Philadelphia Phillies. As Hull described it, Clark claimed "she ...
New York Rep. Anthony D’Esposito, one of the GOP’s most endangered House incumbents, reportedly gave both his lover and his fiancée’s daughter part-time jobs in his district office on Long ...
Saleen Martin, USA TODAY. September 20, 2024 at 9:53 AM. A bear injured a hiker Thursday in Montana’s Glacier National Park, leading officials to close part of the trail where it happened. The ...
Database index. 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.
A relational database management system uses SQL MERGE (also called upsert) statements to INSERT new records or UPDATE existing records depending on whether condition matches. It was officially introduced in the SQL:2003 standard, and expanded [citation needed] in the SQL:2008 standard.
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