{"id":190,"date":"2019-09-18T19:22:49","date_gmt":"2019-09-18T11:22:49","guid":{"rendered":"https:\/\/blog.dbtopas.com\/?p=190"},"modified":"2019-09-20T11:49:59","modified_gmt":"2019-09-20T03:49:59","slug":"oracle%e8%b3%87%e6%96%99%e5%ba%ab%e7%9a%84%e6%89%b9%e9%87%8f%e6%93%8d%e4%bd%9c%ef%bc%8cforall%ef%bc%8cbulk-collect","status":"publish","type":"post","link":"https:\/\/blog.dbtopas.com\/?p=190","title":{"rendered":"Oracle\u6279\u91cf\u64cd\u4f5c forall ,BULK COLLECT"},"content":{"rendered":"

\u539f\u6587\u7db2\u5740\uff1a https:\/\/www.itread01.com\/content\/1547978430.html<\/a><\/p>\n

oracle forall
\nFORALL\u8a9e\u53e5\u7684\u4e00\u500b\u95dc\u9375\u6027\u6539\u9032\uff0c\u5b83\u53ef\u5927\u5927\u7c21\u5316\u7a0b\u5f0f\u78bc\uff0c\u4e26\u4e14\u5c0d\u65bc\u90a3\u4e9b\u8981\u5728PL\/SQL\u7a0b\u5f0f\u4e2d\u66f4\u65b0\u5f88\u591a\u884c\u8cc7\u6599\u7684\u7a0b\u5f0f\u4f86\u8aaa\uff0c\u5b83\u53ef\u986f\u8457\u63d0\u9ad8\u5176\u6548\u80fd\u3002
\n1:
\n\u7528FORALL\u4f86\u589e\u5f37DML\u7684\u8655\u7406\u80fd\u529b
\nOracle\u70baOracle8i\u4e2d\u7684PL\/SQL\u5f15\u5165\u4e86\u5169\u500b\u65b0\u7684\u8cc7\u6599\u64cd\u7e31\u8a9e\u8a00\uff08DML\uff09\u8a9e\u53e5\uff1aBULK COLLECT\u548cFORALL\u3002\u9019\u5169\u500b\u8a9e\u53e5\u5728PL\/SQL\u5167\u90e8\u9032\u884c\u4e00\u7a2e\u9663\u5217\u8655\u7406
\n\uff1bBULK COLLECT\u63d0\u4f9b\u5c0d\u8cc7\u6599\u7684\u9ad8\u901f\u6aa2\u7d22\uff0cFORALL\u53ef\u5927\u5927\u6539\u9032INSERT\u3001UPDATE\u548cDELETE\u64cd\u4f5c\u7684\u6548\u80fd\u3002Oracle\u8cc7\u6599\u5eab\u4f7f\u7528\u9019\u4e9b\u8a9e\u53e5\u5927\u5927\u6e1b\u5c11\u4e86
\nPL\/SQL\u8207SQL\u8a9e\u53e5\u57f7\u884c\u5f15\u64ce\u7684\u74b0\u5883\u5207\u63db\u6b21\u6578\uff0c\u5f9e\u800c\u4f7f\u5176\u6548\u80fd\u6709\u4e86\u986f\u8457\u63d0\u9ad8\u3002<\/p>\n

<\/p>\n

\u4f7f\u7528BULK COLLECT\uff0c\u4f60\u53ef\u4ee5\u5c07\u591a\u500b\u884c\u5f15\u5165\u4e00\u500b\u6216\u591a\u500b\u96c6\u5408\u4e2d\uff0c\u800c\u4e0d\u662f\u55ae\u7368\u8b8a\u6578\u6216\u8a18\u9304\u4e2d\u3002\u4e0b\u9762\u9019\u500bBULK COLLECT\u7684\u4f8b\u9805\u662f\u5c07\u6a19\u984c\u4e2d\u5305\u542b
\n\u6709\u201dPL\/SQL\u201d\u7684\u6240\u6709\u66f8\u7c4d\u6aa2\u7d22\u51fa\u4f86\u4e26\u7f6e\u65bc\u8a18\u9304\u7684\u4e00\u500b\u95dc\u806f\u9663\u5217\u4e2d\uff0c\u5b83\u5011\u90fd\u4f4d\u65bc\u901a\u5411\u8a72\u8cc7\u6599\u5eab\u7684\u55ae\u4e00\u901a\u9053\u4e2d\u3002<\/p>\n

DECLARE\r\nTYPE books_aat\r\nIS TABLE OF book%ROWTYPE\r\nINDEX BY PLS_INTEGER;\r\nbooks books_aat;\r\nBEGIN\r\nSELECT *\r\nBULK COLLECT INTO book\r\nFROM books\r\nWHERE title LIKE '%PL\/SQL%';\r\n...\r\nEND;<\/code><\/pre>\n
\u985e\u4f3c\u5730\uff0cFORALL\u5c07\u8cc7\u6599\u5f9e\u4e00\u500bPL\/SQL\u96c6\u5408\u50b3\u9001\u7d66\u6307\u5b9a\u7684\u4f7f\u7528\u96c6\u5408\u7684\u8868\u3002\u4e0b\u9762\u7684\u7a0b\u5f0f\u78bc\u4f8b\u9805\u7d66\u51fa\u4e00\u500b\u904e\u7a0b\uff0c\u5373\u63a5\u6536\u66f8\u7c4d\u8cc7\u8a0a\u7684\u4e00\u500b\u5de2\u72c0\u8868\uff0c\u4e26\u5c07\u8a72
\n\u96c6\u5408\uff08\u7e6b\u7d50\u9663\u5217\uff09\u7684\u5168\u90e8\u5167\u5bb9\u63d2\u5165\u8a72\u66f8\u7c4d\u8868\u4e2d\u3002\u6ce8\u610f\uff0c\u9019\u500b\u4f8b\u5b50\u9084\u5229\u7528\u4e86Oracle9i\u7684FORALL\u7684\u589e\u5f37\u529f\u80fd\uff0c\u53ef\u4ee5\u5c07\u4e00\u689d\u8a18\u9304\u76f4\u63a5\u63d2\u5165\u5230\u8868\u4e2d\u3002
\nBULK COLLECT\u548cFORALL\u90fd\u975e\u5e38\u6709\u7528\uff0c\u5b83\u5011\u4e0d\u50c5\u63d0\u9ad8\u4e86\u6548\u80fd\uff0c\u800c\u4e14\u9084\u7c21\u5316\u4e86\u70baPL\/SQL\u4e2d\u7684SQL\u64cd\u4f5c\u6240\u7de8\u5beb\u7684\u7a0b\u5f0f\u78bc\u3002\u4e0b\u9762\u7684\u591a\u884cFORALL INSERT\u76f8\u7576
\n\u6e05\u695a\u5730\u8aaa\u660e\u4e86\u70ba\u4ec0\u9ebcPL\/SQL\u88ab\u8a8d\u70ba\u662fOracle\u8cc7\u6599\u5eab\u7684\u6700\u4f73\u7a0b\u5f0f\u8a9e\u8a00\u3002<\/p>\n
CREATE TYPE books_nt\r\nIS TABLE OF book%ROWTYPE;\r\n\/\r\nCREATE OR REPLACE PROCEDURE add_books (\r\nbooks_in IN books_nt)\r\nIS\r\nBEGIN\r\nFORALL book_index\r\nIN books_in.FIRST .. books_in.LAST\r\nINSERT INTO book\r\nVALUES books_in(book_index);\r\n...\r\nEND;<\/code><\/pre>\n
\u4e0d\u904e\u5728Oracle\u8cc7\u6599\u5eab10g\u4e4b\u524d\uff0c\u4ee5FORAll\u65b9\u5f0f\u4f7f\u7528\u96c6\u5408\u6709\u4e00\u500b\u91cd\u8981\u7684\u9650\u5236\uff1a\u8a72\u8cc7\u6599\u5eab\u5f9eIN\u7bc4\u570d\u5b50\u53e5\u4e2d\u7684\u7b2c\u4e00\u884c\u5230\u6700\u5f8c\u4e00\u884c\uff0c\u4f9d\u6b21\u8b80\u53d6\u96c6\u5408\u7684\u5167\u5bb9
\n\u3002\u5982\u679c\u5728\u8a72\u7bc4\u570d\u5167\u9047\u5230\u4e00\u500b\u672a\u5b9a\u7fa9\u7684\u884c\uff0cOracle\u8cc7\u6599\u5eab\u5c07\u5f15\u767cORA-22160\u7570\u5e38\u4e8b\u4ef6\uff1a<\/p>\n
ORA-22160: element at index [N] does not exist<\/p>\n
\u5c0d\u65bcFORALL\u7684\u7c21\u55ae\u61c9\u7528\uff0c\u9019\u4e00\u898f\u5247\u4e0d\u6703\u5f15\u8d77\u4efb\u4f55\u9ebb\u7169\u3002\u4f46\u662f\uff0c\u5982\u679c\u60f3\u76e1\u53ef\u80fd\u5730\u5145\u5206\u5229\u7528FORALL\uff0c\u90a3\u9ebc\u8981\u6c42\u4efb\u610fFORALL\u9a45\u52d5\u9663\u5217\u90fd\u8981\u4f9d\u6b21\u586b\u5145\u53ef
\n\u80fd\u6703\u589e\u52a0\u7a0b\u5f0f\u7684\u8907\u96dc\u6027\u4e26\u964d\u4f4e\u6548\u80fd\u3002
\n\u5728Oracle\u8cc7\u6599\u5eab10g\u4e2d\uff0cPL\/SQL\u73fe\u5728\u5728FORALL\u8a9e\u53e5\u4e2d\u63d0\u4f9b\u4e86\u5169\u500b\u65b0\u5b50\u53e5\uff1aINDICES OF\u8207VALUES OF\uff0c\u5b83\u5011\u4f7f\u4f60\u80fd\u5920\u4ed4\u7d30\u9078\u64c7\u9a45\u52d5\u9663\u5217\u4e2d\u8a72\u7531\u64f4\u5145\u5957\u4ef6
\nDML\u8a9e\u53e5\u4f86\u8655\u7406\u7684\u884c\u3002
\n\u7576\u7e6b\u7d50\u9663\u5217\u70ba\u7a00\u758f\u9663\u5217\u6216\u8005\u5305\u542b\u6709\u9593\u9699\u6642\uff0cINDICES OF\u6703\u975e\u5e38\u6709\u7528\u3002\u8a72\u8a9e\u53e5\u7684\u8a9e\u6cd5\u7d50\u69cb\u70ba\uff1a
\nFORALL indx IN INDICES
\nOF sparse_collection
\nINSERT INTO my_table
\nVALUES sparse_collection (indx);
\nVALUES OF\u7528\u65bc\u4e00\u7a2e\u4e0d\u540c\u7684\u60c5\u6cc1\uff1a\u7e6b\u7d50\u9663\u5217\u53ef\u4ee5\u662f\u7a00\u758f\u9663\u5217\uff0c\u4e5f\u53ef\u4ee5\u4e0d\u662f\uff0c\u4f46\u6211\u53ea\u60f3\u4f7f\u7528\u8a72\u9663\u5217\u4e2d\u5143\u7d20\u7684\u4e00\u500b\u5b50\u96c6\u3002\u90a3\u9ebc\u6211\u5c31\u53ef\u4ee5\u4f7f\u7528VALUES
\nOF\u4f86\u6307\u5411\u6211\u5e0c\u671b\u5728DML\u64cd\u4f5c\u4e2d\u4f7f\u7528\u7684\u503c\u3002\u8a72\u8a9e\u53e5\u7684\u8a9e\u6cd5\u7d50\u69cb\u70ba\uff1a
\nFORALL indx IN VALUES OF pointer_array
\nINSERT INTO my_table
\nVALUES binding_array (indx);
\n\u4e0d\u7528FOR\u8ff4\u5708\u800c\u6539\u7528FORALL
\n\u5047\u5b9a\u6211\u9700\u8981\u7de8\u5beb\u4e00\u500b\u7a0b\u5f0f\uff0c\u5c0d\u5408\u683c\u54e1\u5de5\uff08\u7531comp_analysis.is_eligible\u51fd\u5f0f\u78ba\u5b9a\uff09\u52a0\u85aa\uff0c\u7de8\u5beb\u95dc\u65bc\u4e0d\u7b26\u5408\u52a0\u85aa\u689d\u4ef6\u7684\u54e1\u5de5\u7684\u5831\u544a\u4e26\u5beb\u5165
\nemployee_history\u8868\u3002\u6211\u5728\u4e00\u500b\u975e\u5e38\u5927\u7684\u516c\u53f8\u5de5\u4f5c\uff1b\u6211\u5011\u7684\u54e1\u5de5\u975e\u5e38\u975e\u5e38\u591a\u3002
\n\u5c0d\u65bc\u4e00\u4f4dPL\/SQL\u958b\u767c\u4eba\u54e1\u4f86\u8aaa\uff0c\u9019\u4e26\u4e0d\u662f\u4e00\u9805\u5341\u5206\u56f0\u96e3\u7684\u5de5\u4f5c\u3002\u6211\u751a\u81f3\u4e0d\u9700\u8981\u4f7f\u7528BULK COLLECT\u6216FORALL\u5c31\u53ef\u4ee5\u5b8c\u6210\u9019\u9805\u5de5\u4f5c\uff0c\u5982\u6e05\u55ae 1\u6240\u793a
\n\uff0c\u6211\u4f7f\u7528\u4e00\u500bCURSOR FOR\u8ff4\u5708\u548c\u55ae\u7368\u7684INSERT\u53caUPDATE\u8a9e\u53e5\u3002\u9019\u6a23\u7684\u7a0b\u5f0f\u78bc\u7c21\u6f54\u660e\u77ad\uff1b\u4e0d\u5e78\u5730\u662f\uff0c\u6211\u82b1\u4e8610\u5206\u9418\u4f86\u57f7\u884c\u6b64\u7a0b\u5f0f\u78bc\uff0c\u6211\u7684\u201d\u8001\u5f0f\u201d\u65b9\u6cd5
\n\u8981\u57f7\u884c30\u5206\u9418\u6216\u66f4\u9577\u6642\u9593\u3002
\n\u6e05\u55ae 1:<\/p>\n
CREATE OR REPLACE PROCEDURE give_raises_in_department (\r\ndept_in IN employee.department_id%TYPE\r\n, newsal IN employee.salary%TYPE\r\n)\r\nIS\r\nCURSOR emp_cur\r\nIS\r\nSELECT employee_id, salary, hire_date\r\nFROM employee\r\nWHERE department_id = dept_in;\r\nBEGIN\r\nFOR emp_rec IN emp_cur\r\nLOOP\r\nIF comp_analysis.is_eligible (emp_rec.employee_id)\r\nTHEN\r\nUPDATE employee\r\nSET salary = newsal\r\nWHERE employee_id = emp_rec.employee_id;\r\nELSE\r\nINSERT INTO employee_history\r\n(employee_id, salary\r\n, hire_date, activity\r\n)\r\nVALUES (emp_rec.employee_id, emp_rec.salary\r\n, emp_rec.hire_date, 'RAISE DENIED'\r\n);\r\nEND IF;\r\nEND LOOP;\r\nEND give_raises_in_department;<\/code><\/pre>\n
\u597d\u5728\u6211\u516c\u53f8\u7684\u8cc7\u6599\u5eab\u5347\u7d1a\u5230\u4e86Oracle9i\uff0c\u800c\u4e14\u66f4\u5e78\u904b\u7684\u662f\uff0c\u5728\u6700\u8fd1\u7684Oracle\u7814\u8a0e\u6703\u4e0a\uff08\u4ee5\u53caOracle\u6280\u8853\u7db2\u7ad9\u63d0\u4f9b\u7684\u975e\u5e38\u4e0d\u932f\u7684\u6f14\u793a\u4e2d\uff09\u6211\u77ad\u89e3
\n\u5230\u4e86\u6279\u91cf\u8655\u7406\u65b9\u6cd5\u3002\u6240\u4ee5\u6211\u6c7a\u5b9a\u4f7f\u7528\u96c6\u5408\u8207\u6279\u91cf\u8655\u7406\u65b9\u6cd5\u91cd\u65b0\u7de8\u5beb\u7a0b\u5f0f\u3002\u5beb\u597d\u7684\u7a0b\u5f0f\u5982\u6e05\u55ae 2\u6240\u793a\u3002
\n\u6e05\u55ae 2:<\/p>\n
CREATE OR REPLACE PROCEDURE give_raises_in_department (\r\ndept_in IN employee.department_id%TYPE\r\n, newsal IN employee.salary%TYPE\r\n)\r\nIS\r\nTYPE employee_aat IS TABLE OF employee.employee_id%TYPE\r\nINDEX BY PLS_INTEGER;\r\nTYPE salary_aat IS TABLE OF employee.salary%TYPE\r\nINDEX BY PLS_INTEGER;\r\nTYPE hire_date_aat IS TABLE OF employee.hire_date%TYPE\r\nINDEX BY PLS_INTEGER;\r\n\r\nemployee_ids employee_aat;\r\nsalaries salary_aat;\r\nhire_dates hire_date_aat;\r\n\r\napproved_employee_ids employee_aat;\r\n\r\ndenied_employee_ids employee_aat;\r\ndenied_salaries salary_aat;\r\ndenied_hire_dates hire_date_aat;\r\n\r\nPROCEDURE retrieve_employee_info\r\nIS\r\nBEGIN\r\nSELECT employee_id, salary, hire_date\r\nBULK COLLECT INTO employee_ids, salaries, hire_dates\r\nFROM employee\r\nWHERE department_id = dept_in;\r\nEND;\r\n\r\nPROCEDURE partition_by_eligibility\r\nIS\r\nBEGIN\r\nFOR indx IN employee_ids.FIRST .. employee_ids.LAST\r\nLOOP\r\nIF comp_analysis.is_eligible (employee_ids (indx))\r\nTHEN\r\napproved_employee_ids (indx) := employee_ids (indx);\r\nELSE\r\ndenied_employee_ids (indx) := employee_ids (indx);\r\ndenied_salaries (indx) := salaries (indx);\r\ndenied_hire_dates (indx) := hire_dates (indx);\r\nEND IF;\r\nEND LOOP;\r\nEND;\r\n\r\nPROCEDURE add_to_history\r\nIS\r\nBEGIN\r\nFORALL indx IN denied_employee_ids.FIRST .. denied_employee_ids.LAST\r\nINSERT INTO employee_history\r\n(employee_id\r\n, salary\r\n, hire_date, activity\r\n)\r\nVALUES (denied_employee_ids (indx)\r\n, denied_salaries (indx)\r\n, denied_hire_dates (indx), 'RAISE DENIED'\r\n);\r\nEND;\r\n\r\nPROCEDURE give_the_raise\r\nIS\r\nBEGIN\r\nFORALL indx IN approved_employee_ids.FIRST .. approved_employee_ids.LAST\r\nUPDATE employee\r\nSET salary = newsal\r\nWHERE employee_id = approved_employee_ids (indx);\r\nEND;\r\nBEGIN\r\nretrieve_employee_info;\r\npartition_by_eligibility;\r\nadd_to_history;\r\ngive_the_raise;\r\nEND give_raises_in_department;<\/code><\/pre>\n
\u6383\u4e00\u773c\u6e05\u55ae1 \u548c\u6e05\u55ae2 \u5c31\u6703\u6e05\u695a\u5730\u8a8d\u8b58\u5230\uff1a\u6539\u7528\u96c6\u5408\u548c\u6279\u91cf\u8655\u7406\u65b9\u6cd5\u5c07\u589e\u52a0\u7a0b\u5f0f\u78bc\u91cf\u548c\u8907\u96dc\u6027\u3002\u4f46\u662f\uff0c\u5982\u679c\u4f60\u9700\u8981\u5927\u5e45\u5ea6\u63d0\u5347\u6548\u80fd\uff0c\u9019\u9084\u662f\u503c\u5f97
\n\u7684\u3002\u4e0b\u9762\uff0c\u6211\u5011\u4e0d\u770b\u9019\u4e9b\u7a0b\u5f0f\u78bc\uff0c\u6211\u5011\u4f86\u770b\u4e00\u770b\u7576\u4f7f\u7528FORALL\u6642\uff0c\u7528\u4ec0\u9ebc\u4f86\u8655\u7406CURSOR FOR\u8ff4\u5708\u5167\u7684\u689d\u4ef6\u908f\u8f2f\u3002
\n\u5b9a\u7fa9\u96c6\u5408\u578b\u5225\u8207\u96c6\u5408
\n\u5728\u6e05\u55ae 2\u4e2d\uff0c\u5ba3\u544a\u6bb5\u7684\u7b2c\u4e00\u90e8\u5206\uff08\u7b2c6\u884c\u81f3\u7b2c11\u884c\uff09\u5b9a\u7fa9\u4e86\u5e7e\u7a2e\u4e0d\u540c\u7684\u96c6\u5408\u578b\u5225\uff0c\u8207\u6211\u5c07\u5f9e\u54e1\u5de5\u8868\u6aa2\u7d22\u51fa\u7684\u5217\u76f8\u5c0d\u61c9\u3002\u6211\u66f4\u559c\u6b61\u57fa\u65bcemployee%
\nROWTYPE\u4f86\u5ba3\u544a\u4e00\u500b\u96c6\u5408\u578b\u5225\uff0c\u4f46\u662fFORALL\u9084\u4e0d\u652f\u63f4\u5c0d\u67d0\u4e9b\u8a18\u9304\u96c6\u5408\u7684\u64cd\u4f5c\uff0c\u5728\u9019\u6a23\u7684\u8a18\u9304\u4e2d\uff0c\u6211\u5c07\u5f15\u7528\u500b\u5225\u6b04\u4f4d\u3002\u6240\u4ee5\uff0c\u6211\u9084\u5fc5\u9808\u70ba\u54e1\u5de5ID\u3001
\n\u85aa\u91d1\u548c\u50f1\u7528\u65e5\u671f\u5206\u5225\u5ba3\u544a\u5176\u5404\u81ea\u7684\u96c6\u5408\u3002
\n\u63a5\u4e0b\u4f86\u70ba\u6bcf\u4e00\u5217\u5ba3\u544a\u6240\u9700\u7684\u96c6\u5408\uff08\u7b2c13\u884c\u81f3\u7b2c21\u884c\uff09\u3002\u9996\u5148\u5b9a\u7fa9\u8207\u6240\u67e5\u8a62\u5217\u76f8\u5c0d\u61c9\u7684\u96c6\u5408\uff08\u7b2c13\u884c\u81f3\u7b2c15\u884c\uff09\uff1a<\/p>\n
employee_ids employee_aat;
\nsalaries salary_aat;
\nhire_dates hire_date_aat;<\/p>\n
\u7136\u5f8c\u6211\u9700\u8981\u4e00\u500b\u65b0\u7684\u96c6\u5408\uff0c\u7528\u65bc\u5b58\u653e\u5df2\u88ab\u6279\u51c6\u52a0\u85aa\u7684\u54e1\u5de5\u7684ID\uff08\u7b2c17\u884c\uff09\uff1a<\/p>\n
approved_employee_ids employee_aat;<\/p>\n
\u6700\u5f8c\uff0c\u6211\u518d\u70ba\u6bcf\u4e00\u5217\u5ba3\u544a\u4e00\u500b\u96c6\u5408\uff08\u7b2c19\u884c\u81f3\u7b2c21\u884c\uff09\uff0c\u7528\u65bc\u8a18\u9304\u6c92\u6709\u52a0\u85aa\u8cc7\u683c\u7684\u54e1\u5de5\uff1a<\/p>\n
denied_employee_ids employee_aat;
\ndenied_salaries salary_aat;
\ndenied_hire_dates hire_date_aat;
\n\u6df1\u5165\u77ad\u89e3\u7a0b\u5f0f\u78bc
\n\u8cc7\u6599\u7d50\u69cb\u78ba\u5b9a\u5f8c\uff0c\u6211\u5011\u73fe\u5728\u8df3\u904e\u8a72\u7a0b\u5f0f\u7684\u57f7\u884c\u90e8\u5206\uff08\u7b2c72\u884c\u81f3\u7b2c75\u884c\uff09\uff0c\u77ad\u89e3\u5982\u4f55\u4f7f\u7528\u9019\u4e9b\u96c6\u5408\u4f86\u52a0\u901f\u7a0b\u5e8f\u3002<\/p>\n
retrieve_employee_info;
\npartition_by_eligibility;
\nadd_to_history;
\ngive_the_raise;<\/p>\n
\u6211\u7de8\u5beb\u6b64\u7a0b\u5f0f\u4f7f\u7528\u4e86\u9010\u6b65\u7d30\u5316\u6cd5\uff08\u4e5f\u88ab\u7a31\u70ba\u201d\u81ea\u9802\u5411\u4e0b\u8a2d\u8a08\u201d\uff09\u3002\u6240\u4ee5\u57f7\u884c\u90e8\u5206\u4e0d\u662f\u5f88\u9577\uff0c\u4e5f\u4e0d\u96e3\u7406\u89e3\uff0c\u53ea\u6709\u56db\u884c\uff0c\u6309\u540d\u7a31\u5c0d\u904e\u7a0b\u4e2d\u7684\u6bcf\u4e00\u6b65\u9032
\n\u884c\u4e86\u63cf\u8ff0\u3002\u9996\u5148\u6aa2\u7d22\u54e1\u5de5\u8cc7\u8a0a\uff08\u6307\u5b9a\u90e8\u9580\u7684\u6240\u6709\u54e1\u5de5\uff09\u3002\u7136\u5f8c\u9032\u884c\u5283\u5206\uff0c\u5c07\u8981\u52a0\u85aa\u548c\u4e0d\u4e88\u52a0\u85aa\u7684\u54e1\u5de5\u5340\u5206\u51fa\u4f86\u3002\u5b8c\u6210\u4e4b\u5f8c\uff0c\u6211\u5c31\u53ef\u4ee5\u5c07\u90a3\u4e9b\u4e0d
\n\u4e88\u52a0\u85aa\u7684\u54e1\u5de5\u65b0\u589e\u81f3\u54e1\u5de5\u6b77\u53f2\u8868\u4e2d\uff0c\u5c0d\u5176\u4ed6\u54e1\u5de5\u9032\u884c\u52a0\u85aa\u3002
\n\u4ee5\u9019\u7a2e\u65b9\u5f0f\u7de8\u5beb\u7a0b\u5f0f\u78bc\u4f7f\u6700\u7d42\u7d50\u679c\u7684\u53ef\u8b80\u6027\u5927\u5927\u589e\u5f37\u3002\u56e0\u800c\u6211\u53ef\u4ee5\u6df1\u5165\u5230\u8a72\u7a0b\u5f0f\u4e2d\u5c0d\u6211\u6709\u610f\u7fa9\u7684\u4efb\u4f55\u90e8\u5206\u3002
\n\u6709\u4e86\u5df2\u5ba3\u544a\u7684\u96c6\u5408\uff0c\u6211\u73fe\u5728\u5c31\u53ef\u4ee5\u4f7f\u7528BULK COLLECT\u4f86\u6aa2\u7d22\u54e1\u5de5\u8cc7\u8a0a\uff08\u7b2c23\u884c\u81f3\u7b2c30\u884c\uff09\u3002\u9019\u4e00\u90e8\u5206\u6709\u6548\u5730\u66ff\u4ee3\u4e86CURSOR FOR\u8ff4\u5708\u3002\u81f3\u6b64\uff0c\u6578
\n\u64da\u88ab\u8f09\u5165\u5230\u96c6\u5408\u4e2d\u3002
\n\u5283\u5206\u908f\u8f2f\uff08\u7b2c32\u884c\u81f3\u7b2c46\u884c\uff09\u8981\u6c42\u5c0d\u525b\u525b\u586b\u5145\u7684\u96c6\u5408\u4e2d\u7684\u6bcf\u4e00\u884c\u9032\u884c\u6aa2\u67e5\uff0c\u770b\u5176\u662f\u5426\u7b26\u5408\u52a0\u85aa\u689d\u4ef6\u3002\u5982\u679c\u7b26\u5408\uff0c\u6211\u5c31\u5c07\u8a72\u54e1\u5de5ID\u5f9e\u67e5\u8a62\u586b\u5145\u7684
\n\u96c6\u5408\u8907\u88fd\u5230\u7b26\u5408\u689d\u4ef6\u7684\u54e1\u5de5\u7684\u96c6\u5408\u3002\u5982\u679c\u4e0d\u7b26\u5408\uff0c\u5247\u8907\u88fd\u8a72\u54e1\u5de5ID\u3001\u85aa\u91d1\u548c\u50f1\u7528\u65e5\u671f\uff0c\u56e0\u70ba\u9019\u4e9b\u90fd\u9700\u8981\u63d2\u5165\u5230employee_history\u8868\u4e2d\u3002
\n\u521d\u59cb\u8cc7\u6599\u73fe\u5728\u5df2\u88ab\u5206\u70ba\u5169\u500b\u96c6\u5408\uff0c\u53ef\u4ee5\u5c07\u5176\u5206\u5225\u7528\u4f5c\u5169\u500b\u4e0d\u540c\u7684FORALL\u8a9e\u53e5\uff08\u5206\u5225\u5f9e\u7b2c51\u884c\u548c\u7b2c66\u884c\u958b\u59cb\uff09\u7684\u9a45\u52d5\u5668\u3002\u6211\u5c07\u4e0d\u5408\u683c\u54e1\u5de5\u7684\u96c6\u5408
\n\u4e2d\u7684\u8cc7\u6599\u6279\u91cf\u63d2\u5165\u5230employee_history\uff08add_to_history\uff09\u8868\u4e2d\uff0c\u4e26\u901a\u904egive_the_raise\u904e\u7a0b\uff0c\u5728employee\u8868\u4e2d\u6279\u91cf\u66f4\u65b0\u5408\u683c\u54e1\u5de5\u7684\u8cc7\u8a0a\u3002
\n\u6700\u5f8c\u518d\u4ed4\u7d30\u5730\u770b\u4e00\u770badd_to_history\uff08\u7b2c48\u884c\u81f3\u7b2c61\u884c\uff09\uff0c\u4ee5\u6b64\u4f86\u7d50\u675f\u5c0d\u9019\u500b\u91cd\u65b0\u7de8\u5beb\u7684\u7a0b\u5f0f\u7684\u5206\u6790\u3002FORALL\u8a9e\u53e5\uff08\u7b2c51\u884c\uff09\u5305\u542b\u4e00\u500bIN\u5b50\u53e5
\n\uff0c\u5b83\u6307\u5b9a\u4e86\u8981\u7528\u65bc\u6279\u91cfINSERT\u7684\u884c\u865f\u7bc4\u570d\u3002\u5728\u5c0d\u7a0b\u5f0f\u9032\u884c\u7b2c\u4e8c\u6b21\u91cd\u5beb\u7684\u8aaa\u660e\u4e2d\uff0c\u6211\u5c07\u628a\u7528\u65bc\u5b9a\u7fa9\u7bc4\u570d\u7684\u96c6\u5408\u7a31\u70ba\u201d\u9a45\u52d5\u96c6\u5408\u201d\u3002\u4f46\u5728
\nadd_to_history\u7684\u9019\u4e00\u7248\u672c\u4e2d\uff0c\u6211\u7c21\u55ae\u5730\u5047\u5b9a\uff1a \u4f7f\u7528\u5728denied_employee_ids\u4e2d\u5b9a\u7fa9\u7684\u6240\u6709\u884c\u3002\u5728INSERT\u81ea\u8eab\u5167\u90e8\uff0c\u95dc\u65bc\u4e0d\u5408\u683c\u54e1\u5de5\u7684\u4e09\u500b\u96c6
\n\u5408\u90fd\u6703\u88ab\u7528\u5230\uff1b\u6211\u5c07\u628a\u9019\u4e9b\u96c6\u5408\u7a31\u70ba\u201d\u8cc7\u6599\u96c6\u5408\u201d\u3002\u53ef\u4ee5\u770b\u5230\uff0c\u9a45\u52d5\u96c6\u5408\u8207\u8cc7\u6599\u96c6\u5408\u7121\u9700\u5339\u914d\u3002\u5728\u5b78\u7fd2Oracle\u8cc7\u6599\u5eab10g\u7684\u65b0\u7279\u6027\u6642\uff0c\u9019\u662f\u4e00\u500b\u95dc
\n\u9375\u9ede\u3002
\n\u7d50\u679c\uff0c\u6e05\u55ae 2 \u7684\u884c\u6578\u5927\u7d04\u662f\u6e05\u55ae 1\u884c\u6578\u76842\u500d\uff0c\u4f46\u662f\u6e05\u55ae 2 \u4e2d\u7684\u7a0b\u5f0f\u78bc\u6703\u5728\u8981\u6c42\u7684\u6642\u9593\u5167\u57f7\u884c\u3002\u5728\u4f7f\u7528Oracle\u8cc7\u6599\u5eab10g\u4e4b\u524d\uff0c\u5728\u9019\u7a2e\u60c5\u6cc1\u4e0b\uff0c
\n\u6211\u53ea\u6703\u5c0d\u80fd\u5920\u5728\u9019\u4e00\u6642\u9593\u5167\u57f7\u884c\u7a0b\u5f0f\u78bc\u4e26\u958b\u59cb\u4e0b\u4e00\u500b\u4efb\u52d9\u9019\u4e00\u9ede\u611f\u5230\u9ad8\u8208\u3002
\n\u4e0d\u904e\uff0c\u6709\u4e86Oracle\u8cc7\u6599\u5eab10g\u4e2d\u6700\u65b0\u7248\u7684PL\/SQL\uff0c\u73fe\u5728\u6211\u5c31\u53ef\u4ee5\u5728\u6548\u80fd\u3001\u53ef\u8b80\u6027\u548c\u7a0b\u5f0f\u78bc\u91cf\u65b9\u9762\u4f5c\u51fa\u66f4\u591a\u7684\u6539\u9032\u3002
\n\u5c07VALUES OF\u7528\u65bc\u6b64\u904e\u7a0b
\n\u5728Oracle\u8cc7\u6599\u5eab10g\u4e2d\uff0c\u53ef\u4ee5\u6307\u5b9aFORALL\u8a9e\u53e5\u4f7f\u7528\u7684\u9a45\u52d5\u96c6\u5408\u4e2d\u7684\u884c\u7684\u5b50\u96c6\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u5169\u7a2e\u65b9\u6cd5\u4e4b\u4e00\u4f86\u5b9a\u7fa9\u8a72\u5b50\u96c6\uff1a<\/p>\n
\u5c07\u8cc7\u6599\u96c6\u5408\u4e2d\u7684\u884c\u865f\u8207\u9a45\u52d5\u96c6\u5408\u4e2d\u7684\u884c\u865f\u9032\u884c\u5339\u914d\u3002\u4f60\u9700\u8981\u4f7f\u7528INDICES OF\u5b50\u53e5\u3002
\n\u5c07\u8cc7\u6599\u96c6\u5408\u4e2d\u7684\u884c\u865f\u8207\u9a45\u52d5\u96c6\u5408\u4e2d\u6240\u5b9a\u7fa9\u884c\u4e2d\u627e\u5230\u7684\u503c\u9032\u884c\u5339\u914d\u3002\u9019\u9700\u8981\u4f7f\u7528VALUES OF\u5b50\u53e5\u3002
\n\u5728\u5c0dgive_raises_in_department\u9032\u884c\u7b2c\u4e8c\u6b21\u548c\u6700\u5f8c\u4e00\u6b21\u6539\u5beb\u4e2d\u6211\u5c07\u4f7f\u7528VALUES OF\u5b50\u53e5\u3002\u6e05\u55ae 3 \u5305\u542b\u9019\u500b\u7248\u672c\u7684\u5168\u90e8\u7a0b\u5f0f\u78bc\u3002\u6211\u5c07\u7565\u904e\u9019\u4e00\u7a0b\u5f0f
\n\u4e2d\u8207\u524d\u4e00\u7248\u672c\u76f8\u540c\u7684\u90e8\u5206\u3002
\n\u5f9e\u5ba3\u544a\u96c6\u5408\u958b\u59cb\uff0c\u8acb\u6ce8\u610f\u6211\u4e0d\u518d\u53e6\u5916\u5b9a\u7fa9\u96c6\u5408\u4f86\u5b58\u653e\u5408\u683c\u7684\u548c\u4e0d\u5408\u683c\u7684\u54e1\u5de5\u8cc7\u8a0a\uff0c\u800c\u662f\u5728\u6e05\u55ae 3 \uff08\u7b2c17\u884c\u81f3\u7b2c21\u884c\uff09\u4e2d\u5ba3\u544a\u5169\u500b\u201d\u5f15\u5c0e\u201d\u96c6\u5408\uff1a
\n\u4e00\u500b\u7528\u65bc\u7b26\u5408\u52a0\u85aa\u8981\u6c42\u7684\u54e1\u5de5\uff0c\u53e6\u4e00\u500b\u7528\u65bc\u4e0d\u7b26\u5408\u52a0\u85aa\u8981\u6c42\u7684\u54e1\u5de5\u3002\u9019\u5169\u500b\u96c6\u5408\u7684\u8cc7\u6599\u578b\u5225\u90fd\u662f\u5e03\u6797\u578b\uff1b\u4e0d\u4e45\u5c07\u6703\u770b\u5230\uff0c\u9019\u4e9b\u96c6\u5408\u7684\u8cc7\u6599\u578b\u5225
\n\u8207FORALL\u8a9e\u53e5\u6beb\u7121\u95dc\u4fc2\u3002FORALL\u8a9e\u53e5\u53ea\u95dc\u5fc3\u5b9a\u7fa9\u4e86\u54ea\u4e9b\u884c\u3002 \u5728\u54e1\u5de5\u8868\u4e2d\u64c1\u670950 000\u884c\u8cc7\u8a0a\u7684give_raises_in_department\u7684\u4e09\u7a2e\u57f7\u884c\u65b9\u6cd5\u7684\u4f54
\n\u7528\u6642\u9593 \u57f7\u884c\u65b9\u6cd5 \u7528\u6642
\nCURSOR FOR\u8ff4\u5708 00:00:38.01
\nOracle\u8cc7\u6599\u5eab10g\u4e4b\u524d\u7684\u6279\u91cf\u8655\u7406 00:00:06.09
\nOracle\u8cc7\u6599\u5eab10g\u7684\u6279\u91cf\u8655\u7406 00:00:02.06
\n\u5728\u54e1\u5de5\u8868\u4e2d\u64c1\u6709100,000\u884c\u8cc7\u6599\u7684give_raises_in_department\u7684\u4e09\u7a2e\u57f7\u884c\u65b9\u6cd5\u7684\u4f54\u7528\u6642\u9593 \u57f7\u884c\u65b9\u6cd5 \u7528\u6642
\nCURSOR FOR\u8ff4\u5708 00:00:58.01
\nOracle\u8cc7\u6599\u5eab10g\u4e4b\u524d\u7684\u6279\u91cf\u8655\u7406 00:00:12.00
\nOracle\u8cc7\u6599\u5eab10g\u7684\u6279\u91cf\u8655\u7406 00:00:05.05<\/p>\n
\u88681\uff1a\u8655\u740650,000\u884c\u548c100,000\u884c\u8cc7\u6599\u7684\u7528\u6642\u6e2c\u8a66\u7d50\u679c
\nretrieve_employee_info\u5b50\u7a0b\u5f0f\u8207\u524d\u9762\u7684\u76f8\u540c\uff0c\u4f46\u662f\u5c0d\u8cc7\u6599\u9032\u884c\u5283\u5206\u7684\u65b9\u5f0f\u5b8c\u5168\u4e0d\u540c\uff08\u7b2c32\u884c\u81f3\u7b2c44\u884c\uff09\u3002\u6211\u6c92\u6709\u5c07\u8a18\u9304\u5f9e\u4e00\u500b\u96c6\u5408\u8907\u88fd\u5230\u53e6
\n\u4e00\u500b\u96c6\u5408\uff08\u9019\u500b\u64cd\u4f5c\u76f8\u5c0d\u8f03\u6162\uff09\uff0c\u800c\u53ea\u662f\u78ba\u5b9a\u8207\u54e1\u5de5ID\u96c6\u5408\u4e2d\u7684\u884c\u865f\u76f8\u5339\u914d\u7684\u76f8\u61c9\u5f15\u5c0e\u96c6\u5408\u4e2d\u7684\u884c\uff08\u901a\u904e\u70ba\u5176\u6307\u5b9a\u4e00\u500bTRUE\u503c\uff09\u3002
\n\u73fe\u5728\u53ef\u4ee5\u5728\u5169\u500b\u4e0d\u540cFORALL\u8a9e\u53e5\uff08\u7531\u7b2c49\u884c\u548c\u7b2c65\u884c\u958b\u59cb\uff09\u4e2d\uff0c\u5c07approved_list\u548cdenied_list\u96c6\u5408\u7528\u4f5c\u9a45\u52d5\u96c6\u5408\u3002
\n\u70ba\u4e86\u63d2\u5165\u5230employee_history\u8868\u4e2d\uff0c\u6211\u4f7f\u7528\u77ad\u5982\u4e0b\u8a9e\u53e5\uff1a<\/p>\n
FORALL indx IN VALUES OF denied_list<\/p>\n
\u70ba\u4e86\u9032\u884c\u66f4\u65b0\uff08\u7d66\u54e1\u5de5\u9032\u884c\u52a0\u85aa\uff09\uff0c\u6211\u4f7f\u7528\u9019\u4e00\u683c\u5f0f\uff1a<\/p>\n
FORALL indx IN VALUES OF approved_list<\/p>\n
\u5728\u9019\u5169\u500bDML\u8a9e\u53e5\u4e2d\uff0c\u8cc7\u6599\u96c6\u5408\u662f\u5728BULK COLLECT \u6aa2\u7d22\u6b65\u9a5f\u4e2d\u586b\u5145\u7684\u6700\u521d\u7684\u96c6\u5408\uff1b\u6c92\u6709\u9032\u884c\u904e\u8907\u88fd\u3002\u5229\u7528VALUES OF\uff0cOracle\u8cc7\u6599\u5eab\u5728\u9019\u4e9b\u8cc7\u6599
\n\u96c6\u5408\u7684\u884c\u4e2d\u9032\u884c\u7be9\u9078\uff0c\u50c5\u4f7f\u7528\u884c\u865f\u8207\u9a45\u52d5\u96c6\u5408\u4e2d\u884c\u865f\u76f8\u5339\u914d\u7684\u884c
\n\u5229\u7528\u672c\u7a0b\u5f0f\u4e2d\u7684VALUES OF\uff0c\u53ef\u4ee5\u907f\u514d\u8907\u88fd\u5c0d\u5168\u90e8\u8a18\u9304\u9032\u884c\u5fa9\u5236\uff0c\u800c\u662f\u7528\u884c\u865f\u7684\u4e00\u500b\u7c21\u55ae\u5217\u8868\u4f86\u66ff\u63db\u5b83\u5011\u3002\u5c0d\u65bc\u5927\u578b\u9663\u5217\uff0c\u9032\u884c\u9019\u4e9b\u8907\u88fd\u7684\u958b\u92b7
\n\u662f\u975e\u5e38\u53ef\u89c0\u7684\u3002\u70ba\u4e86\u6e2c\u8a66Oracle\u8cc7\u6599\u5eab10g\u7684\u512a\u8d8a\u6027\uff0c\u6211\u88dd\u5165employee\u8868\u4e26\u5c0d50,000\u884c\u548c100,000\u884c\u7684\u8cc7\u6599\u57f7\u884c\u6e2c\u8a66\u3002\u70ba\u4e86\u6a21\u64ec\u66f4\u591a\u7684\u73fe\u5be6\u60c5\u6cc1
\n\uff0c\u6211\u5c07Oracle\u8cc7\u6599\u5eab10g\u4e4b\u524d\u7684\u6279\u91cf\u8655\u7406\u7684\u57f7\u884c\u65b9\u6cd5\u4f5c\u4e86\u4fee\u6539\u4ee5\u9032\u884c\u96c6\u5408\u5167\u5bb9\u7684\u591a\u6b21\u8907\u88fd\u3002\u7136\u5f8c\u6211\u4f7f\u7528SQL*Plus SET TIMING ON\u4f86\u986f\u793a\u57f7\u884c\u5404\u500b
\n\u4e0d\u540c\u7684\u57f7\u884c\u65b9\u6cd5\u6240\u7528\u7684\u6642\u9593\u3002\u8868 1 \u7d66\u51fa\u4e86\u7d50\u679c\u3002
\n\u5f9e\u9019\u4e9b\u6642\u9593\u6e2c\u5b9a\u5f97\u5230\u7684\u7d50\u8ad6\u975e\u5e38\u6e05\u695a\uff1a\u7531\u55ae\u500bDML\u8a9e\u53e5\u8b8a\u70ba\u6279\u91cf\u8655\u7406\u5c07\u5927\u5e45\u7e2e\u77ed\u8017\u7528\u6642\u9593\uff0c\u8cc7\u6599\u70ba50,000\u884c\u6642\u7684\u7528\u6642\u753138\u79d2\u6e1b\u70ba6\u79d2\uff0c\u8cc7\u6599\u70ba
\n100,000\u884c\u6642\u7684\u7528\u6642\u753158\u79d2\u6e1b\u70ba12\u79d2\u3002\u800c\u4e14\uff0c\u901a\u904e\u4f7f\u7528VALUES OF\u4f86\u907f\u514d\u8907\u88fd\u8cc7\u6599\uff0c\u6211\u53ef\u4ee5\u5c07\u7528\u6642\u7e2e\u77ed\u4e00\u534a\u5de6\u53f3\u3002
\n\u5373\u4f7f\u6c92\u6709\u6548\u80fd\u4e0a\u7684\u6539\u9032\uff0cVALUES OF\u53ca\u5176\u540c\u985e\u5b50\u53e5\u2013INDICES OF\u4e5f\u63d0\u9ad8\u4e86PL\/SQL\u8a9e\u8a00\u7684\u9748\u6d3b\u6027\uff0c\u4f7f\u958b\u767c\u4eba\u54e1\u80fd\u5920\u66f4\u8f15\u9b06\u5730\u7de8\u5beb\u51fa\u66f4\u76f4\u89c0\u548c\u66f4\u5bb9\u6613
\n\u7dad\u8b77\u7684\u7a0b\u5f0f\u78bc\u3002
\n\u5728\u7522\u54c1\u58fd\u547d\u9019\u4e00\u9ede\u4e0a\uff0cPL\/SQL\u662f\u4e00\u7a2e\u6210\u719f\u4e14\u529f\u80fd\u5f37\u5927\u7684\u8a9e\u8a00\u3002\u56e0\u800c\uff0c\u5176\u5f88\u591a\u65b0\u7279\u6027\u90fd\u662f\u9010\u6f38\u589e\u52a0\u548c\u6539\u9032\u800c\u6210\u7684\u3002\u4e0d\u904e\uff0c\u9019\u4e9b\u65b0\u7279\u6027\u9084\u662f\u4f7f\u61c9\u7528
\n\u7a0b\u5f0f\u7684\u6548\u80fd\u548c\u958b\u767c\u4eba\u54e1\u7684\u958b\u767c\u6548\u7387\u6709\u4e86\u91cd\u5927\u6539\u8b8a\u3002VALUES OF\u5c31\u662f\u9019\u7a2e\u7279\u6027\u7684\u4e00\u500b\u5f88\u597d\u7684\u4f8b\u5b50\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
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