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Power Query is an ETL tool created by Microsoft for data extraction, loading and transformation, and is used to retrieve data from sources, process it, and load them into one or more target systems. Power Query is available in several variations within the Microsoft Power Platform , and is used for business intelligence on fully or partially ...
Data Analysis Expressions (DAX) is the native formula and query language for Microsoft PowerPivot, Power BI Desktop and SQL Server Analysis Services (SSAS) Tabular models. DAX includes some of the functions that are used in Excel formulas with additional functions that are designed to work with relational data and perform dynamic aggregation.
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/output operation. [1]
Americans made $3.6 billion in charitable donations this week — a double-digit increase of 16% from Giving Tuesday 2023’s total of $3.1 billion, according to The GivingTuesday Data Commons ...
Two children, ages 9 and 4, were allegedly abducted after the shooting, but were found safe the next day, following a joint operation between the prosecutor’s office, Ann Arbor police, Michigan ...
In a SQL database query, a correlated subquery (also known as a synchronized subquery) is a subquery (a query nested inside another query) that uses values from the outer query. This can have major impact on performance because the correlated subquery might get recomputed every time for each row of the outer query is processed.
For example, “Tell me about one of the best days you can remember” might elicit a story about someone’s wedding, and if you’re not keeping up with your question queue and let “What was ...
From January 2008 to December 2012, if you bought shares in companies when Patricia F. Russo joined the board, and sold them when she left, you would have a -55.2 percent return on your investment, compared to a -2.8 percent return from the S&P 500.