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variables hw
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-- 1. Показать среднее арифметическое трех вещественных чисел, хранящихся в пременных | |
DECLARE @a float = 12.5 | |
DECLARE @b float = 7.8 | |
DECLARE @c float = 15.3 | |
DECLARE @avg float = (@a+ @b+ @c)/3 | |
PRINT @avg | |
-- 2. Показать количество цифр числа, хранящегося в переменной | |
DECLARE @number int = 67983456 | |
DECLARE @count int = 0 | |
WHILE @number != 0 | |
BEGIN | |
SET @number /= 10 | |
SET @count += 1 | |
END | |
PRINT @count | |
-- 3. Скрипт проверяет, какое сейчас время суток на сервере, и выдаёт приветствие "добрый вечер!" или "добрый день!" | |
DECLARE @date datetime = GETDATE() | |
DECLARE @time time = CONVERT(time, @date) | |
IF @time >= '06:00:00' AND @time < '12:00:00' | |
PRINT 'GOOD MORNING!' | |
ELSE IF @time >= '12:00:00' AND @time < '18:00:00' | |
PRINT 'GOOD AFTERNOON!' | |
ELSE IF @time >= '18:00:00' AND @time <= '23:59:59' | |
PRINT 'GOOD EVENING!' | |
ELSE | |
PRINT 'GOOD NIGHT!' | |
--4. Показать горизонтальную линию из звёздочек длиной @L | |
DECLARE @count int = 51 | |
DECLARE @result nvarchar(MAX) = '' | |
WHILE @count > 0 | |
BEGIN | |
SET @result = @result + '*' | |
SET @count -= 1 | |
END | |
PRINT @result | |
-- 5. Показать факториалы всех чисел от 0 до 25 | |
DECLARE @number1 int = 0 | |
DECLARE @number2 int = 25 | |
DECLARE @factorial decimal(38, 0) = 1 | |
WHILE @number1 <= @number2 | |
BEGIN | |
IF @number1 > 0 | |
BEGIN | |
SET @factorial *= @number1 | |
END | |
PRINT 'Factorial ' + CAST(@number1 AS NVARCHAR) + ' = ' + CAST(@factorial AS NVARCHAR) | |
SET @number1 += 1 | |
END | |
--1. Подсчитать количество слов во введённом предложении. | |
DECLARE @sent nvarchar(MAX) = 'Lets count the number of words in a sentence' | |
DECLARE @count int | |
SET @count = LEN(@sent) - LEN(REPLACE(@sent, ' ', '')) + 1 | |
PRINT 'Word count:' + CAST(@count AS nvarchar) |
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