CREATE TABLE T202306A( WEEKS VARCHAR2(10) ) ; INSERT INTO T202306A VALUES('WEEK1'); INSERT INTO T202306A VALUES('WEEK2'); INSERT INTO T202306A VALUES('WEEK3'); INSERT INTO T202306A VALUES('WEEK4'); INSERT INTO T202306A VALUES('WEEK5'); INSERT INTO T202306A VALUES('WEEK6'); INSERT INTO T202306A VALUES('WEEK7'); INSERT INTO T202306A VALUES('WEEK8'); INSERT INTO T202306A VALUES('WEEK9'); INSERT INTO T202306A VALUES('WEEK10'); COMMIT ; CREATE TABLE T202306B( TEAMS VARCHAR2(10) ); INSERT INTO T202306B VALUES('TEAM1'); INSERT INTO T202306B VALUES('TEAM2'); INSERT INTO T202306B VALUES('TEAM3') ; COMMIT ; 要求T202306B按顺序与T202306A 的第一个WEEK1依次有序的组合, 直到依次组合完毕,预计结果
时间: 2024-01-04 08:03:41 浏览: 111
create table
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可以使用 SQL 中的 CROSS JOIN 语句将两个表进行组合,得到所有可能的组合情况。具体的 SQL 语句如下:
```
SELECT A.WEEKS, B.TEAMS
FROM T202306A A
CROSS JOIN T202306B B;
```
执行上述语句后,将会得到包含所有可能组合情况的结果集,如下所示:
```
WEEKS TEAMS
WEEK1 TEAM1
WEEK1 TEAM2
WEEK1 TEAM3
WEEK2 TEAM1
WEEK2 TEAM2
WEEK2 TEAM3
WEEK3 TEAM1
WEEK3 TEAM2
WEEK3 TEAM3
WEEK4 TEAM1
WEEK4 TEAM2
WEEK4 TEAM3
WEEK5 TEAM1
WEEK5 TEAM2
WEEK5 TEAM3
WEEK6 TEAM1
WEEK6 TEAM2
WEEK6 TEAM3
WEEK7 TEAM1
WEEK7 TEAM2
WEEK7 TEAM3
WEEK8 TEAM1
WEEK8 TEAM2
WEEK8 TEAM3
WEEK9 TEAM1
WEEK9 TEAM2
WEEK9 TEAM3
WEEK10 TEAM1
WEEK10 TEAM2
WEEK10 TEAM3
```
其中,每一行对应一种可能的组合情况,按照顺序依次组合,直到所有组合情况都列出为止。
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