用T-SQL语句怎样实现打印九九乘法表？

使用T－SQL语句打印九九乘法表的代码如下：

--定义三个变量（行、列、输出字符串） 通过横竖 九行九列 进行循环输出

DECLARE @a smallint,@b smallint,@str varchar(1000)

set @a=1

WHILE @a<=9

BEGIN 

SET @b=1 

SET @str='' 

WHILE @b<=@a 

BEGIN

SELECT @str=@str+convert(varchar(1),@b)+'*'+convert(varchar(1),@a)+'='+convert(char(2),@a*@b)+space(2)     

SET @b=@b+1 

END 

PRINT @str 

SET @a=@a+1

END

扩展资料：

T－SQL语句

T－SQL 即 Transact－SQL，是 SQL 在 Microsoft SQL Server 上的增强版，它是用来让应用程序与 SQL Server 沟通的主要语言。T－SQL 提供标准 SQL 的 DDL 和 DML 功能，加上延伸的函数、系统预存程序以及程式设计结构（例如 IF 和 WHILE）让程式设计更有d性。

参考资料来源：百度百科-t-sql

语言种类太多了，所有语言都可以写出乘法表

SQL写99乘法表

1：

select r1 || '*' || 1 || '=' || r1 * 1 A,

decode(r2, '', '', r2 || '*' || 2 || '=' || r2 * 2) b,

decode(r3, '', '', r3 || '*' || 3 || '=' || r3 * 3) C,

decode(r4, '', '', r4 || '*' || 4 || '=' || r4 * 4) D,

decode(r5, '', '', r5 || '*' || 5 || '=' || r5 * 5) E,

decode(r6, '', '', r6 || '*' || 6 || '=' || r6 * 6) F,

decode(r7, '', '', r7 || '*' || 7 || '=' || r7 * 7) G,

decode(r8, '', '', r8 || '*' || 8 || '=' || r8 * 8) H,

decode(r9, '', '', r9 || '*' || 9 || '=' || r9 * 9) I

from (select level r1,

lag(level+1, 1) over(order by level) r2,

lag(level+2, 2) over(order by level) r3,

lag(level+3, 3) over(order by level) r4,

lag(level+4, 4) over(order by level) r5,

lag(level+5, 5) over(order by level) r6,

lag(level+6, 6) over(order by level) r7,

lag(level+7, 7) over(order by level) r8,

lag(level+8, 8) over(order by level) r9

from dual

connect by level <10)

2：

select rn, ltrim(max(sys_connect_by_path(product, ',')), ',') product

from

(

select rn, product, min(product) over(partition by rn) product_min

,(row_number() over(order by rn, product)) + (dense_rank() over(order by rn)) numId

from

(

select b.rn, a.rn || '*' || b.rn || '=' || a.rn * b.rn product

from (select rownum rn from all_objects where rownum <= 9) a,

(select rownum rn from all_objects where rownum <= 9) b

where a.rn <= b.rn

order by b.rn, product

)

)

start with product = product_min

connect by numId - 1 = prior numId

group by rn

九九乘法表:

<%

dim i,j

for i=1 to 9

for j=1 to 9

if j<=i then

response.write(j)

response.write("*")

response.write(i)

response.write("=")

response.write(i*j)&" "

else

end if

next

response.write("<br>")

next

%>

数据库中添加\删除\更新记录的语句，网上很多，自己搜搜吧

http://www.xker.com/page/e2008/0715/54621.html

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