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First Page: select only the first {rows} rows, depending on the type of database; Next Page: select only the first {rows} rows, depending on the type of database, where the {unique_key} is greater than {last_val} (the value of the {unique_key} of the last row in the current page)
Each remaining item is assigned a weight. The weight of item g is the sum of weights of the agents who approve g: sum of w(r j,s j) for all j such that j values g at 1. The group picks an item with the largest weight. The resulting algorithm is called RWAV (round-robin with weighted approval voting).
A programmer can use an alias to temporarily assign another name to a table or column for the duration of the current SELECT query. Assigning an alias does not actually rename the column or table. This is often useful when either tables or their columns have very long or complex names. An alias name could be anything, but usually it is kept short.
If any one of its input values is not compared, that one value could be the one that should have been selected, and the algorithm can be made to produce an incorrect answer. [28] Beyond this simple argument, there has been a significant amount of research on the exact number of comparisons needed for selection, both in the randomized and ...
The values returned by a hash function are called hash values, hash codes, digests, or simply hashes. Hash functions are often used in combination with a hash table, a common data structure used in computer software for rapid data lookup. Hash functions accelerate table or database lookup by detecting duplicated records in a large file. hash table
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A radio button or option button [1] is a graphical control element that allows the user to choose only one of a predefined set of mutually exclusive options. [2] The singular property of a radio button makes it distinct from checkboxes , where the user can select and unselect any number of items.
select (Unix), a system call (in sys/select.h or unistd.h) for polling multiple file descriptors <select></select>, an HTML element; Cable select, a setting on Advanced Technology Attachment (ATA) devices that allows position on the cable to determine the role of a drive; Quick select, an algorithm to select the k th-smallest element of an array