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SQL FUNCTIONS

QuestionAnswer
SELECT ABS(-0.94) 0.94
SELECT ABS(9 - 200) 191
SELECT SIGN(40) 1
SELECT SIGN(-40) -1
SELECT SIGN(40 - 40) 0
SELECT MOD(15, 5) 0
SELECT MOD(33, 10) 3
SELECT ROUND(552 / 10), MOD(552, 10) 55,2
SELECT ROUND((943 * 13) / 99, 3) 123.828
SELECT ROUND((943 * 13) / 99) 124
SELECT POW(9, 6) 531441
SELECT SQRT(65536) 256
SELECT LEAST(90, 9.125, 3, 75) 3
SELECT LEAST('H', 'Z', 'B') B
SELECT GREATEST(90, 9.125, 3, 75) 90
SELECT LOWER('THis is sOME TEXT') this is some text
SELECT CONCAT('This i', 's some text', '.') This is some text.
SELECT CONCAT('-', 0.95) -0.95
SELECT LENGTH('This is some text') 17
SELECT TRIM(TRAILING 'a' FROM 'aaabcdaaa') aaabcd
SELECT TRIM(LEADING 'a' FROM 'aaabcdaaa') bcdaaa
SELECT TRIM('ab' FROM 'ababzzzzab') zzzz
SELECT TRIM(' a string message ') a string message
SELECT SUBSTRING('Tobias Downer', 8) Downer
SELECT SUBSTRING('abcd', 1, 2) ab
SELECT SUBSTRING('abcd', 3, 4) cd
COUNT(*) SELECT COUNT(*) FROM Orders
COUNT(DISTINCT expression_list) SELECT last_name, COUNT(DISTINCT last_name) FROM Customers GROUP BY age
SUM(column_name) SELECT SUM(value) FROM Orders
SUM(expression) SELECT SUM(quantity * value) * 0.75 FROM Orders GROUP BY division
Created by: johnfaar