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1.
´ÓÓαêÌáÈ¡Êý¾Ý
2. ´ÓÓαêʧȥһÆðÊý¾ÝÔËÓÃFETCHÏÂÁÿһ´ÎÌáÈ¡Êý¾Ýºó£¬Óα궼ָÏò½á¹û¼¯µÄÏÂÒ»Æð¡£Óï·¨Èç´Î£º
3. FETCH cursor_name INTO variable[,variable,...]
4. ÖÁÓÚSELECT¶¨ÒåµÄÓαêµÄÿһÁУ¬FETCH±äÁ¿ÁÐ±í¶¼Ó¦¸ÃÓÐÒ»¸ö±äÁ¿ÓëÖ®Ïà¶ÔÓ¦£¬±äÁ¿µÄ²¿ÀàÒ²ÒªÀ×ͬ¡£
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5. SET SERVERIUTPUT ON
6. DECLARE
7. v_ename EMP.ENAME%TYPE;
8. v_salary EMP.SALARY%TYPE;
9. CURSOR c_emp IS SELECT ename,salary from emp;
10. BEGIN
11. OPEN c_emp;
12. FETCH c_emp INTO v_ename,v_salary;
13. DBMS_OUTPUT.PUT_LINE('Salary of Employee'|| v_ename ||'is'|| v_salary);
14. FETCH c_emp INTO v_ename,v_salary;
15. DBMS_OUTPUT.PUT_LINE('Salary of Employee'|| v_ename ||'is'|| v_salary);
16. FETCH c_emp INTO v_ename,v_salary;
17. DBMS_OUTPUT.PUT_LINE('Salary of Employee'|| v_ename ||'is'|| v_salary);
18. CLOSE c_emp;
19. END
20.
21. Õâ¶Î´úÂëÎÞÒÉÊÇ·ÇÇúÖ±³£Àͼݵģ¬Èç¹ûÓжàÐлص½½á¹û£¬¿ÉÒÔÔËÓÃÑ­»·²¢ÓÃÓαêÊôÐÔΪÖÕ½áÑ­»·µÄÌõ¼þ£¬ÒÔÕâÖÖÐÎʽÌáÈ¡Êý¾Ý£¬³ÌÐòµÄ¿É¶ÁÐԺͼò½àÐÔ¶¼¼«Îª°Î¸ß£¬Ï²¿ÎÒÃÇÔËÓÃÑ­»·´ÓÐÂдÉÏÍ·µÄ³ÌÐò£º
22.SET SERVERIUTPUT ON
23.DECLARE
24.v_ename EMP.ENAME%TYPE;
25.v_salary EMP.SALARY%TYPE;
26.CURSOR c_emp IS SELECT ename,salary from emp;
27.BEGIN
28.OPEN c_emp;
29. LOOP
30. FETCH c_emp INTO v_ename,v_salary;
31. EXIT WHEN c_emp%NOTFOUND;
32. DBMS_OUTPUT.PUT_LINE('Salary of Employee'|| v_ename ||'is'|| v_salary);
33.END
34.
35.¼ÇÒª±äÁ¿
36. ¶¨ÒåÒ»¸ö¼ÇÒª±äÁ¿ÔËÓÃTYPEÏÂÁîºÍ%ROWTYPE£¬¶ÔÓÚ%ROWsTYPEµÄ¸ü¶àÐÅÏ¢Çë²ÎÔÄÓйØÎļþ¡£
37. ¼ÇÒª±äÁ¿ÓÃÀ´´ÓÓαêÖÐÌáÈ¡Êý¾ÝÐУ¬Ó¦ÓαêÈ¡ÉáºÜ¶àÁеÄʱ·Ö£¬ÄÇôʩÓüÇÒª±ÈΪÿÁÐÐûÑÔÒ»¸ö±äÁ¿Òª±ãÀûµÃ¶à¡£
38. µ±ÔÚ±íÉÏÔËÓÃ%ROWTYPE²¢½«´ÓÓαêÖÐÌͳöµÄÖµ·ÅÈë¼ÇÒªÖÐʱ£¬ÈçÆäҪȡÉá±íÖÐÈ«²¿ÁУ¬ÄÇôÔÚSELECT×Ó¾äÖÐÓ¦ÓÃ*±È½«È«²¿ÁÐÃûÁгöÀ´ÒªµÃ¶à¡£
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39.SET SERVERIUTPUT ON
40.DECLARE
41.R_emp EMP%ROWTYPE;
42.CURSOR c_emp IS SELECT * from emp;
43.BEGIN
44.OPEN c_emp;
45. LOOP
46. FETCH c_emp INTO r_emp;
47. EXIT WHEN c_emp%NOTFOUND;
48. DBMS_OUT.PUT.PUT_LINE('Salary of Employee'||r_emp.ename|


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