精华：用SQL数据库批量插入数据简介

INSERT INTO time_by_day 

(time_id, the_date, the_year, month_of_year, quarter,day_of_month) 

VALUES ('1101', '1999-10-1', '1999', '10', 'Q4','1')

INSERT INTO time_by_day 

(time_id, the_date, the_year, month_of_year, quarter, day_of_month) 

SELECT TOP 1 time_id + 1 AS time_id, the_date + 1 AS the_date, YEAR(the_date + 1) 

AS the_year, MONTH(the_date + 1) AS month_of_year, { fn QUARTER(the_date + 1) 

} AS quarter, DAY(the_date + 1) AS day_of_month 

FROM time_by_day 

ORDER BY time_id DESC

DECLARE @MyCounter INT 

SET @MyCounter = 0            /*设置变量*/ 

WHILE (@MyCounter < 2)     /*设置循环次数*/ 

BEGIN 

WAITFOR DELAY '000:00:10'   /*延迟时间10秒*/ 

INSERT INTO time_by_day 
(time_id, the_date, the_year, month_of_year, quarter, day_of_month) 

SELECT TOP 1 time_id + 1 AS time_id, the_date + 1 AS the_date, YEAR(the_date + 1) 

AS the_year, MONTH(the_date + 1) AS month_of_year, { fn QUARTER(the_date + 1) 

} AS quarter, DAY(the_date + 1) AS day_of_month 

FROM time_by_day 

ORDER BY time_id DESC 


SET @MyCounter = @MyCounter + 1 

END

DECLARE @MyCounter INT 

declare @the_date datetime 

SET @MyCounter = 0 

SET @the_date = '1999-1-4' 

WHILE (@MyCounter < 200000) 

BEGIN 

WAITFOR DELAY '000:00:10' 

/*INSERT INTO time_by_day 

(time_id, the_date, the_year, month_of_year, quarter, day_of_month) 

SELECT TOP 1 time_id + 1 AS time_id, the_date + 1 AS the_date, YEAR(the_date + 1) 

AS the_year, MONTH(the_date + 1) AS month_of_year, { fn QUARTER(the_date + 1) 

} AS quarter, DAY(the_date + 1) AS day_of_month 

FROM time_by_day 

ORDER BY time_id DESC 

*/ 

insert into time_by_day (time_id,the_date)values('371',@the_date) 

SET @the_date = @the_date + 1 

SET @MyCounter = @MyCounter + 1 

END