Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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Row trigger that gives the sum total before insert or update
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- The Movie table has the following columns: ID - integer, primary key Title - variable-length string Genre - variable-length string RatingCode - variable-length string Year - integer Write a SELECT statement to select the year and the total number of movies for that year. Hint: Use the COUNT() function and GROUP BY clausearrow_forwarddifferences between Trigger and Stored Procedures in tabular formarrow_forwardUntil a file signature analysis is run, EnCase relies on the ______ to determine its file type. header extension database acquisition hash libraryarrow_forward
- Looking Up Data- INDEX () & MATCH() Which of the following statements describes how the INDEX) and MATCH() functions are combined to lookup data? A) MATCH() is used within the INDEX() function to return the relative position of the data in the lookup table B) INDEX) is used within the MATCH() function to return the relative position of the data in the lookup table C) MATCH() is used to match values from the lookup table and the source table, INDEX() returns the index of these values D) INDEX calculates the relative position of the data in the source table and returns values for MATCH() to lookuparrow_forwardPlease provide examples of how calls and returns work together.arrow_forward1.Searching Algorithm Exercises Show the list of comparisons made applying the given searching algorithm to the following set of array values. Return the index of the location if the search item is found and -1 otherwise. SEQUENTIAL SEARCH BINARY SEARCH Al Fay Lee Nia Roy Tia Wes Al Fay Lee Nia Roy Tia Wes A. Find "Wes" C. Find "Wes" List of Comparisons: List of Comparisons: Returned Index Value: Returned Index Value: B. Find "Troy" D. Find "Troy" List of Comparisons: List of Comparisons: When finished, make sure to click Submit. Optionally, click Save as Draft to save changes and continue working later, or click Cancel to quit uwithout saving changes. Cancel SAMSUNG Ce %23 %24 3 4. 7 8 み マarrow_forward
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