下面用while 和 if 条件写的SQL语句的四种九九乘法表
sql语句实现--x 左下角九九乘法表
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DECLARE @I INT ,@J INT ,@S VARCHAR ()
SET @I=
WHILE @I<
BEGIN
SET @J=
SET @S= ''
WHILE @J<=@I
BEGIN
SET @S=@S+ CAST (@J AS CHAR ())+ '*' + CAST (@I AS CHAR ())+ '=' + CAST ((@I*@J) AS CHAR ())
SET @J=@J+
END
PRINT @S
SET @I=@I+
END
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结果:
sql语句实现--X 右下角九九乘法表
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DECLARE @I INT ,@J INT ,@S VARCHAR ()
SET @I=
WHILE @I<
BEGIN
SET @J=
SET @S= ''
WHILE @J>
BEGIN
IF @J>@I
BEGIN
SET @S=@S+ ' ' --七个空格
END
ELSE
BEGIN
SET @S=@S+ CAST (@I AS CHAR ())+ '*' + CAST (@J AS CHAR ())+ '=' + CAST ((@I*@J) AS CHAR ())
END
SET @J=@J-
END
PRINT @S
SET @I=@I+
END
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结果:
sql语句实现--9X9右上角
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DECLARE @I INT ,@J INT ,@S VARCHAR (100)
SET @I=1
WHILE @I<10
BEGIN
SET @J=1
SET @S= ''
WHILE @J<10
BEGIN
IF @J<@I
BEGIN
SET @S=@S+ ' ' --7
END
ELSE
BEGIN
SET @S=@S+ CAST (@I AS CHAR (1))+ '*' + CAST (@J AS CHAR (1))+ '=' + CAST ((@I*@J) AS CHAR (3))
END
SET @J=@J+1
END
PRINT @S
SET @I=@I+1
END
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结果:
sql语句实现--9X9左上角
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DECLARE @I INT ,@J INT ,@S VARCHAR (100)
SET @I=1
WHILE @I<10
BEGIN
SET @J=@I
SET @S= ''
WHILE @J<10
BEGIN
SET @S=@S+ CAST (@I AS CHAR (1))+ '*' + CAST (@J AS CHAR (1))+ '=' + CAST ((@I*@J) AS CHAR (3))
SET @J=@J+1
END
PRINT @S
SET @I=@I+1
END
|
结果:
以上内容就是通过四种方式写的九九乘法表,希望大家喜欢。