题目是这样的,如图:


请问4道问题的sql语句分别怎么写?
------解决方案--------------------
1和3 插入和 查询、更新 就不说了 ,百度一下, 还不行 洗洗睡吧!
2 、
select * from (
select 身份证 ,count(*) as s from 表 group by 身份证
) k where k.s>1
4、delete from 表 where 姓名 like ‘李%’
------解决方案--------------------
CREATE TABLE g_cardapply(
g_applyno VARCHAR(8),
g_apply DATE,
g_state varchar(2));
CREATE TABLE g_cardapplydetail(
g_applyno VARCHAR2(8),
g_name VARCHAR(30),
g_idcard VARCHAR(18),
g_state VARCHAR(2));
---1-1
INSERT ALL INTO g_cardapply(g_applyno,g_apply,g_state)VALUES(a,b,e)
INTO g_cardapplydetail(g_applyno,g_name,g_idcard,g_state)VALUES(a,c,d,e)
SELECT '1111' a,to_date('2014-02-18','yyyy-mm-dd') b,'test' c,'440401430103082' d,'1' e FROM dual;
COMMIT;
--1-2
SELECT A.G_APPLY
FROM G_CARDAPPLY A, G_CARDAPPLYDETAIL B
WHERE A.G_APPLYNO = B.G_APPLYNO(+)
AND B.G_IDCARD = '440401430103082';
--2
SELECT G_IDCARD, COUNT(1) 记录数
FROM G_CARDAPPLYDETAIL
GROUP BY G_IDCARD
HAVING COUNT(1) > 2;
--3-1
UPDATE G_CARDAPPLY A
SET A.G_STATE = '07'
WHERE EXISTS (SELECT 1
FROM G_CARDAPPLYDETAIL K
WHERE K.G_IDCARD = '440401430103082'
AND K.G_APPLYNO = A.G_APPLYNO);
COMMIT;
--3-2
UPDATE G_CARDAPPLYDETAIL T
SET T.G_STATE = '07'
WHERE T.G_IDCARD = '440401430103082';
COMMIT;
--4
DELETE FROM g_cardapplydetail t WHERE t.g_name LIKE '李%';
COMMIT;
------解决方案--------------------
--1
INSERT ALL INTO g_Cardapply
(g_Applyno, g_Apply, g_State)
VALUES
(g_Applyno, g_Apply, g_State) INTO g_Cardapplydetail
(g_Applyno, g_Name, g_Idcard, g_Idcard, g_State)
VALUES
(g_Applyno, g_Name, g_Idcard, g_Idcard, g_State)
SELECT '12345' g_Applyno,
To_Date('2014-2-18', 'yyyy-MM-dd') g_Apply,
1 g_State,
'gname' g_Name,
'440401430103082' g_Idcard
FROM Dual;
SELECT a.g_Apply
FROM g_Cardapply a
JOIN g_Cardapplydetail b ON a.g_Applyno = b.g_Applyno
WHERE b.g_Idcard = '440401430103082'
--2
SELECT g_Idcard, COUNT(*) Num
FROM g_Cardapplydetail
GROUP BY g_Idcard
HAVING COUNT(*) > 1
--3
UPDATE g_Cardapplydetail g SET g.g_State = '07'
WHERE g.g_Idcard = '440401430103082'
UPDATE g_Cardapply g SET g.g_State = '07'
WHERE g.g_Applyno IN
(SELECT g.g_Applyno
FROM g_Cardapplydetail
WHERE g_Cardapplydetail.g_Idcard = '440401430103082')
--4
DELETE FROM g_Cardapplydetail g
WHERE g.g_Name LIKE '李%';