Computers and Technology, 06.05.2020 00:24 stephstewart1209
The table T(A, B, C, D) has a B-tree index on the column B. Which of the followine requests may benefit from the index? Where necessary, define additional conditions under which the index will be beneficial. If the query cannot benefit from the index, suggest other solutions for improving its performance. a. SELECT * FROM T WHERE B = x; b. SELECT * FROM T WHERE B <> x; c. SELECT * FROM T WHERE B LIKE 'x'; d. SELECT * FROM T WHERE SUBSTRING(B, 1, 1) 'x'
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Computers and Technology, 22.06.2019 17:30
Working on this program in python 3.7: a year in the modern gregorian calendar consists of 365 days. in reality, the earth takes longer to rotate around the sun. to account for the difference in time, every 4 years, a leap year takes place. a leap year is when a year has 366 days: an extra day, february 29th. the requirements for a given year to be a leap year are: 1) the year must be divisible by 42) if the year is a century year (1700, 1800, the year must be evenly divisible by 400some example leap years are 1600, 1712, and 2016.write a program that takes in a year and determines whether that year is a leap year.ex: if the input is 1712, the output is: 1712 is a leap year. ex: if the input is 1913, the output is: 1913 is not a leap year. your program must define and call the function isleapyear(useryear). the function should return true if the input year is a leap year and false otherwise.
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Computers and Technology, 22.06.2019 20:00
Which type of file can be used to import data into a spreadsheet?
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Computers and Technology, 23.06.2019 10:00
Whats three fourths of 15(this is supposed to be in math but i clicked too fast)
Answers: 1
The table T(A, B, C, D) has a B-tree index on the column B. Which of the followine requests may bene...
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