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Mis 431 - Exam #3 Questions With Correct Answers
MIS 431 - #3
MIS 431 - #3
MIS 431 - EXAM #3 *INDEXES* - Answer- -------------------------------------------------------- Index - Answer- -*copy of selected columns of data* from a table that can be searched very *efficiently* -makes queries run *faster* -primary keys are always indexed Introduction to Indexes - Answer- -most queries require locating a certain row (or set of rows) that satisfy some condition specified in a WHERE clause -*scanning every row* in a table looking for the desired rows can be una...
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