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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]
Returns the value of the cell(s) in one or more output columns of the row matching the search key and column. This function is reminiscent of LOOKUP() macros in popular spreadsheet applications, except that the search key must match exactly. (On the other hand, this means the table does not need to be sorted.)
A typical cell reference in "A1" style consists of one or two case-insensitive letters to identify the column (if there are up to 256 columns: A–Z and AA–IV) followed by a row number (e.g., in the range 1–65536). Either part can be relative (it changes when the formula it is in is moved or copied), or absolute (indicated with $ in front ...
InfoWars founder Alex Jones outside Waterbury Superior Court during his trial on September 21, 2022, in Waterbury, Connecticut. (Joe Buglewicz/Getty Images/File)
Sorting or ordering the data based on a list of columns to improve search performance Joining data from multiple sources ( e.g. , lookup, merge) and deduplicating the data Aggregating (for example, rollup – summarizing multiple rows of data – total sales for each store, and for each region, etc.)
3. Domino's: $7 Mix and Match Deal. The best long-running meal deal at Domino's is the $7 Mix and Match. You need to order at least two items, but you can get as many as you want from choices such ...
A number of studies have linked red wine consumption with heart health benefits, including reduced LDL (known as “bad”) cholesterol levels, better blood pressure and blood vessel function and ...
The first column represents the input value to be tested (by an implied 'IF input1 = x') and, if TRUE, the corresponding 2nd column (the 'action') contains a subroutine address to perform by a call (or jump to – similar to a SWITCH statement). It is, in effect, a multiway branch with return (a form of "dynamic dispatch"). The last entry is ...