{"id":989,"date":"2021-01-25T01:51:45","date_gmt":"2021-01-24T16:51:45","guid":{"rendered":"https:\/\/skyit.biz\/?p=989"},"modified":"2021-01-25T01:53:01","modified_gmt":"2021-01-24T16:53:01","slug":"%e7%ac%ac10%e7%ab%a0%e3%83%87%e3%83%bc%e3%82%bf%e6%93%8d%e4%bd%9c%e3%81%a8%e3%83%88%e3%83%a9%e3%83%b3%e3%82%b6%e3%82%af%e3%82%b7%e3%83%a7%e3%83%b3%e5%88%b6%e5%be%a1","status":"publish","type":"post","link":"https:\/\/skyit.biz\/?p=989","title":{"rendered":"\u7b2c10\u7ae0\t\u30c7\u30fc\u30bf\u64cd\u4f5c\u3068\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u5236\u5fa1"},"content":{"rendered":"\n

\u25a0INSERT\u6587\u306b\u3088\u308b\u30c7\u30fc\u30bf\u306e\u8ffd\u52a0<\/p>\n\n\n\n

INSERT INTO \u8868\u540d\u3000\u5217\u540d1, \u5217\u540d2,\u30fb\u30fb\u30fb
VALUES (\u50241, \u50242,\u30fb\u30fb\u30fb<\/p>\n\n\n\n

VALUES\u53e5\u306e\u3042\u308bINSERT\u6587\u3067\u306f\u30011\u3064\u306e\u6587\u30671\u3064\u306e\u884c\u306e\u307f\u8868\u306b\u8ffd\u52a0\u3067\u304d\u308b\u3002<\/p>\n\n\n\n

INSERT\u6587\u4f7f\u7528\u6642\u306e\u30dd\u30a4\u30f3\u30c8
\u8868\u540d\u306b\u7d9a\u304f\u5217\u540d\u306f\u3001\u7701\u7565\u53ef\u80fd\u3067\u3042\u308b\u3002\u5217\u540d\u3092\u7701\u7565\u3057\u305f\u5834\u5408\u306f\u3001VALUES\u53e5\u306e\u4e2d\u3067\u8868\u5185\u306e\u5217\u306e\u4e26\u3073\u9806\u306b\u5f93\u3063\u3066\u5024\u3092\u30ea\u30b9\u30c8\u3057\u3001\u3059\u3079\u3066\u306e\u5217\u306b\u5bfe\u3057\u3066\u5024\u3092\u6307\u5b9a\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u3002
\u8868\u540d\u306b\u7d9a\u3051\u3066\u3001\u5217\u540d\u3092\u30ea\u30b9\u30c8\u3059\u308b\u5834\u5408\u306f\u3001\u5217\u540d\u306e\u6570\u3068\u5024\u306e\u6570\u3092\u4e00\u81f4\u3055\u305b\u308b\u5fc5\u8981\u304c\u3042\u308b\u3002\u307e\u305f\u3001\u5217\u540d\u3068\u5024\u306e\u6307\u5b9a\u9806\u5e8f\u3092\u4e00\u81f4\u3055\u305b\u308b\u5fc5\u8981\u304c\u3042\u308b\u3002<\/p>\n\n\n\n

\u25a0\u526f\u554f\u5408\u305b\u3092\u4f7f\u7528\u3057\u305f\u30c7\u30fc\u30bf\u306e\u8ffd\u52a0
INSERT\u6587\u3067\u306f\u3001\u526f\u554f\u5408\u305b\u3067\u53d6\u308a\u51fa\u3057\u305f\u30c7\u30fc\u30bf\u3092\u8868\u306b\u8ffd\u52a0\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u308b\u3002
\u526f\u554f\u5408\u305b\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u5024\u3092\u65e2\u5b58\u306e\u8868\u304b\u3089\u53d6\u5f97\u3057\u3066\u3001\u8907\u6570\u884c\u306e\u30c7\u30fc\u30bf\u3092\u4e00\u5ea6\u306b\u8ffd\u52a0\u3067\u304d\u308b\u3002<\/p>\n\n\n\n

INSERT INTO \u8868\u540d1 \u5217\u540d1, \u5217\u540d2,\u30fb\u30fb\u30fb
SELECT \u5217\u540d1, \u5217\u540d2,\u30fb\u30fb\u30fb
FROM \u8868\u540d2
WHERE \u6761\u4ef6<\/p>\n\n\n\n

INSERT\u6587\u306b\u526f\u554f\u5408\u305b\u3092\u8a18\u8ff0\u3059\u308b\u969b\u306e\u6ce8\u610f\u70b9
\u2605\u526f\u554f\u5408\u305b\u306e\u623b\u308a\u5024\u306f\u3001\u8907\u6570\u5217\u3042\u308a\u306e\u5834\u5408\u306f\u3001\u4e0b\u8a18\u306e\u6761\u4ef6\u3068\u306a\u308b\u3002
\u526f\u554f\u5408\u305b\u3092\u56f2\u3080\uff08\uff09\u4e38\u62ec\u5f27\u306f\u3001\u5fc5\u9808\u3067\u306f\u306a\u3044\u3002\u3042\u3063\u3066\u3082\u306a\u304f\u3066\u3082\u3088\u3044\u3002
VALUES\u53e5\u306f\u6307\u5b9a\u3057\u306a\u3044\u3002 \u526f\u554f\u5408\u305b\u306e\u623b\u308a\u304c\u8907\u6570\u306e\u5834\u5408\u306f\u3001VALUES\u53e5\u306f\u6307\u5b9a\u3067\u304d\u306a\u3044\u3002
INSERT\u53e5\u306b\u6307\u5b9a\u3059\u308b\u5217\u540d\u3092\u7701\u7565\u3059\u308b\u5834\u5408\u306f\u3001\u526f\u554f\u5408\u305b\u306eSELECT\u53e5\u306b\u306f\u3001\u8868\u306b\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u308b\u5217\u3068\u540c\u6570\u306e\u5024\u3092\u3001\u8868\u306e\u5217\u69cb\u6210\u3068\u540c\u3058\u9806\u756a\u3067\u6307\u5b9a\u3059\u308b\u3002
INSERT\u53e5\u306b\u5217\u540d\u3092\u6307\u5b9a\u3059\u308b\u5834\u5408\u306f\u3001\u526f\u554f\u5408\u305b\u306eSELECT\u53e5\u306b\u306f\u3001\u5217\u540d\u306e\u30ea\u30b9\u30c8\u3068\u540c\u6570\u306e\u5024\u3092\u3001\u540c\u3058\u9806\u756a\u3067\u6307\u5b9a\u3059\u308b\u3002<\/p>\n\n\n\n

\u203b\u526f\u554f\u5408\u305b\u306e\u623b\u308a\u5217\u304c\u4e00\u3064\u3060\u3051\u306e\u5834\u5408\u306f\u3001VALUES\u53e5\u3092\u4f7f\u3046\u3053\u3068\u3002
VALUES\u53e5\u306e\u526f\u554f\u5408\u305b\u306b\u306f\u3001\u8907\u6570\u5217\u306f\u4e0d\u53ef\u3001\u5358\u4e00\u5217\u306e\u307fOK<\/p>\n\n\n\n

\u25a0UPDATE\u6587\u306b\u3088\u308b\u30c7\u30fc\u30bf\u306e\u66f4\u65b0<\/p>\n\n\n\n

UPDATE\u53e5\u306e\u8868\u540d\u306b\u526f\u554f\u5408\u305b\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u306f\u53ef\u80fd\u3002\u305f\u3060\u3057\u3001WHERE\u53e5\u3067\u4f7f\u7528\u3059\u308b\u9805\u76ee\u304cSELECT\u53e5\u306b\u8a18\u8f09\u3042\u308a\u3067\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u3002<\/p>\n\n\n\n

SET\u53e5\u3067\u306f\u3001NULL\u3084DEFALUT\u30ad\u30fc\u30ef\u30fc\u30c9\u3092\u4f7f\u3048\u308b\u3002
\u4f55\u3082\u884c\u3092\u623b\u3055\u306a\u3044\u526f\u554f\u5408\u305b\u304b\u3089\u306f\u3001NULL\u304c\u623b\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n

UPDATE\u53e5\u306f\u3001SET\u53e5\u306b\u8907\u6570\u306e\u526f\u554f\u5408\u305b\u304c\u53ef\u80fd\u3002<\/p>\n\n\n\n

\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u4fee\u4e86
COMMIT
ROLLBACK
DDL \u81ea\u52d5\u30b3\u30df\u30c3\u30c8
DCL \u81ea\u52d5\u30b3\u30df\u30c3\u30c8
\u30e6\u30fc\u30b6\u306b\u3088\u308bDveloper\u3084SQL * Plus\u306e\u4fee\u4e86
\u30b7\u30b9\u30c6\u30e0\u969c\u5bb3\u3084\u30b7\u30b9\u30c6\u30e0\u30af\u30e9\u30c3\u30b7\u30e5\u306e\u767a\u751f<\/p>\n\n\n\n

\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u4fee\u4e86\u3067\u306f\u306a\u3044\u3000\u8981\u6ce8\u610f
ROLLBACK TO SAVEPOINT \u30bb\u30fc\u30d6\u30dd\u30a4\u30f3\u30c8\u540d<\/p>\n\n\n\n

A = NULL
NULL\u5024\u3092\u4ee3\u5165\u3059\u308b\u30b3\u30fc\u30c9\u3002<\/p>\n\n\n\n

\u25a0DELETE\u6587\u4f7f\u7528\u6642\u306e\u30dd\u30a4\u30f3\u30c8
\u540c\u6642\u306b\u8907\u6570\u884c\u3092\u524a\u9664\u3067\u304d\u308b
WHERE\u53e5\u3092\u7701\u7565\u3059\u308b\u3068\u8868\u306e\u5168\u884c\u3092\u524a\u9664\u3059\u308b\u3002WHERE\u53e5\u3092\u6307\u5b9a\u3059\u308b\u3068\u3001\u6761\u4ef6\u306b\u4e00\u81f4\u3059\u308b\u884c\u3060\u3051\u3092\u524a\u9664\u3059\u308b\u3002
\u6761\u4ef6\u306b\u4e00\u81f4\u3059\u308b\u884c\u304c\u306a\u3044\u5834\u5408\u306f\u30011\u884c\u3082\u524a\u9664\u3055\u308c\u305a\u30010\u884c\u524a\u9664\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u8868\u793a\u3055\u308c\u308b\u3002
\u25bc\u5168\u884c\u524a\u9664\u306e\u4f8b\uff09
DELETE ENP; WHERE\u53e5\u3092\u6307\u5b9a\u3057\u306a\u3044\u3068\u3001\u8868\u304b\u3089\u5168\u884c\u304c\u524a\u9664\u3055\u308c\u308b\u3002
DELETE FROM EMP WHERE 1 <> 2; WHERE\u53e5\u3067\u7d50\u679c\u304c\u5e38\u306bTRUE\u3068\u306a\u308b\u6761\u4ef6\u3092\u3064\u3051\u308c\u3070\u3001\u5168\u884c\u524a\u9664\u3068\u306a\u308b\u3002<\/p>\n\n\n\n

DELETE * FROM EMP; *\u304c\u4e0d\u8981\u306e\u305f\u3081\u3001\u5168\u884c\u524a\u9664\u3068\u306a\u306f\u3089\u306a\u3044\uff1f\uff1f\uff1f<\/p>\n\n\n\n

TRANCATE
\u8868\u306b\u683c\u7d0d\u3055\u308c\u3066\u3044\u308b\u3059\u3079\u3066\u306e\u30c7\u30fc\u30bf\u3092\u524a\u9664\u3059\u308b\u5834\u5408\u306f\u3001TRUNCATE\u6587\u3092\u4f7f\u3046\u3002<\/p>\n\n\n\n

TRUNCATE TABLE \u8868\u540d\uff1b<\/p>\n\n\n\n

\u25bcTRUNCATE\u6587\u306e\u7279\u5fb4
\u8868\u306e\u30c7\u30fc\u30bf\u306f\u524a\u9664\u3055\u308c\u308b\u304c\u3001\u7d22\u5f15\uff08\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\uff09\u306f\u524a\u9664\u3055\u308c\u306a\u3044\u3002
TRUNCATE\u6587\u3067\u306f\u3001\u524a\u9664\u3059\u308b\u30c7\u30fc\u30bf\u3092\u6307\u5b9a\u3067\u304d\u306a\u3044\uff08DELETE\u6587\u3067\u306f\u3001WHERE\u53e5\u306b\u6761\u4ef6\u3092\u6307\u5b9a\u3067\u304d\u308b\uff09
TRUNCATE\u6587\u306f\u3001DDL\u6587\u306a\u306e\u3067\u3001\u5b9f\u884c\u6642\u306b\u306f\u81ea\u52d5\u30b3\u30df\u30c3\u30c8\u304c\u5b9f\u884c\u3055\u308c\u308b\uff08DELETE\u6587\u306f\u3001DML\u6587\uff09
\u81ea\u52d5\u30b3\u30df\u30c3\u30c8\u304c\u5b9f\u884c\u3055\u308c\u308b\u306e\u3067\u3001\u51e6\u7406\u3092\u30ed\u30fc\u30eb\u30d0\u30c3\u30af\u3067\u304d\u306a\u3044\u3002\uff08DELETE\u6587\u306f\u3001\u30ed\u30fc\u30eb\u30d0\u30c3\u30af\u304c\u53ef\u80fd\uff09
TRUNCATE\u6587\u3067\u306f\u3001\u30ed\u30fc\u30eb\u30d0\u30c3\u30af\u7528\u306e\u30c7\u30fc\u30bf\u3092\u751f\u6210\u3059\u308b\u5fc5\u8981\u304c\u306a\u3044\u305f\u3081\u3001DELETE\u6587\u3088\u308a\u3082\u77ed\u6642\u9593\u3067\u3001\u30c7\u30fc\u30bf\u3092\u524a\u9664\u3067\u304d\u308b\u3002<\/p>\n\n\n\n

\u5927\u91cf\u306e\u30c7\u30fc\u30bf\u3092\u3059\u3079\u3066\u524a\u9664\u3059\u308b\u5834\u5408\u306f\u3001TRUNCATE\u6587\u3092\u4f7f\u7528\u3059\u308b\u3068\u52b9\u679c\u7684\u3067\u3042\u308b\u3002<\/p>\n\n\n\n

\u25bcTRUNCATE\u6587\u4f7f\u7528\u6642\u306e\u30dd\u30a4\u30f3\u30c8
\u8868\u304b\u3089\u3059\u3079\u3066\u306e\u884c\u3092\u524a\u9664\u3059\u308b\u3002
DDL\u6587\u306a\u306e\u3067\u30ed\u30fc\u30eb\u30d0\u30c3\u30af\u306f\u3067\u304d\u306a\u3044\u304c\u3001\u30ed\u30fc\u30eb\u30d0\u30c3\u30af\u60c5\u5831\u3092\u751f\u6210\u3057\u306a\u3044\u306e\u3067\u3001DELETE\u6587\u3088\u308a\u51e6\u7406\u304c\u901f\u3044
\u8868\u304c\u4f7f\u7528\u3057\u3066\u3044\u305f\u9818\u57df\uff08\u521d\u671f\u5272\u5f53\u3092\u9664\u304f\u9818\u57df\uff09\u306f\u89e3\u653e\u3055\u308c\u3001\u307b\u304b\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3067\u518d\u5229\u7528\u304c\u53ef\u80fd\u3068\u306a\u308b\u3002
\u524a\u9664\u30c8\u30ea\u30ac\u30fc(DELETE\u30c8\u30ea\u30ac\u30fc)\u304c\u8d77\u52d5\u3057\u306a\u3044\u3002\u305d\u306e\u305f\u3081\u3001DELETE\u30c8\u30ea\u30ac\u30fc\u3067\u524a\u9664\u3059\u308b\u30c7\u30fc\u30bf\u3092\u81ea\u52d5\u7684\u306b\u5225\u306e\u8868\u306b\u30b3\u30d4\u30fc\u3059\u308b\u51e6\u7406\u304c\u7121\u52b9\u3068\u306a\u3063\u3066\u3057\u307e\u3046\u3002
FOREIGN KEY\u5236\u7d04\uff08\u53c2\u7167\u6574\u5408\u6027\u5236\u7d04\uff09\u306e\u89aa\u8868\u3092\u5207\u308a\u6368\u3066\u308b\u3053\u3068\u306f\u3067\u304d\u306a\u3044\u3002
\u305f\u3060\u3057\u3001ON DELETE CASCADE\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u6307\u5b9a\u3057\u305fOREIGN KEY\u5236\u7d04\u306e\u5834\u5408\u306e\u307f\u3001CASCADE\u30ad\u30fc\u30ef\u30fc\u30c9\u3092\u6307\u5b9a\u3057\u3066\u3001\u89aa\u8868\u3092\u5207\u308a\u6368\u3066\u3067\u304d\u308b\u3002<\/p>\n\n\n\n

DOROP TABLE\u6587\u304a\u3088\u3073\u3001TRUNCATE\u6587\u306f\u3001\u7a7a\u3044\u305f\u9818\u57df\u3092\u89e3\u653e\u3059\u308b\u3002
DELETE\u6587\u306f\u3001\u524a\u9664\u306b\u3088\u308a\u7a7a\u3044\u305f\u9818\u57df\u3092\u89e3\u653e\u305b\u305a\u3001\u9818\u57df\u306f\u3001\u305d\u306e\u8868\u306b\u5bfe\u3059\u308b\u4ee5\u964d\u306eINSERT\u6587\u3067\u518d\u5229\u7528\u3055\u308c\u308b\u3002<\/p>\n\n\n\n

CREATE SEQUENCE<\/p>\n\n\n\n

\u30bb\u30fc\u30d6\u30dd\u30a4\u30f3\u30c8\u3068\u306f\u30011\u3064\u306e\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306e\u4e2d\u3067\u3001\u90e8\u5206\u7684\u30ed\u30fc\u30eb\u30d0\u30c3\u30af\u3092\u3059\u308b\u305f\u3081\u306e\u6a5f\u80fd\u3067\u3042\u308b\u3002
SAVEPOINT\u6587\u3067\u30bb\u30fc\u30d6\u30dd\u30a4\u30f3\u30c8\u3092\u8a2d\u5b9a\u3057\u3001ROLLBACK TO \u30bb\u30fc\u30d6\u30dd\u30a4\u30f3\u30c8\u540d;\u3067\u7279\u5b9a\u306e\u30bb\u30fc\u30d6\u30dd\u30a4\u30f3\u30c8\u307e\u3067\u30ed\u30fc\u30eb\u30d0\u30c3\u30af\u3067\u304d\u308b\u3002
\u30bb\u30fc\u30d6\u30dd\u30a4\u30f3\u30c8\u306f\u3001\u9577\u6642\u9593\u306b\u308f\u305f\u308b\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306b\u304a\u3044\u3066\u3001\u30a8\u30e9\u30fc\u767a\u751f\u6642\u3067\u3082\u3001\u9014\u4e2d\u304b\u3089\u518d\u5ea6\u7d9a\u884c\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u308b\u305f\u3081\u306e\u6a5f\u80fd\u3067\u3042\u308b\u3002
\u30bb\u30fc\u30d6\u30dd\u30a4\u30f3\u30c8\u306e\u8a2d\u5b9a\u3001\u30bb\u30fc\u30d6\u30dd\u30a4\u30f3\u30c8\u3092\u4f7f\u3063\u305f\u30ed\u30fc\u30eb\u30d0\u30c3\u30af\u3067\u306f\u3001\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306f\u7d42\u4e86\u3057\u306a\u3044\u3002<\/p>\n\n\n\n

COMMIT\u6587\u3092\u767a\u884c\u3059\u308c\u3070\u3001\u5909\u66f4\u3092\u78ba\u5b9a\u3067\u304d\u308b\u3002
ROLLBACK\u6587\u3092\u767a\u884c\u3059\u308c\u3070\u3001\u5909\u66f4\u3092\u53d6\u308a\u6d88\u3059\u3053\u3068\u304c\u3067\u304d\u308b\u3002
\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u5b9f\u884c\u4e2d\u3001\u5909\u66f4\u3057\u305f\u884c\u30c7\u30fc\u30bf\u3092\u30ed\u30c3\u30af\u3057\u3066\u3044\u308b\u6642\u3001\u4ed6\u306e\u30e6\u30fc\u30b6\u304c\u540c\u3058\u884c\u3092\u5909\u66f4\u3057\u3088\u3046\u3068\u3059\u308b\u3068\u30ed\u30c3\u30af\u89e3\u9664\u8857\u3068\u306a\u308b\u3002
\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u304c\u4fee\u4e86\u3059\u308b\u3068\u30ed\u30c3\u30af\u306f\u89e3\u9664\u3055\u308c\u308b\u3002
\u307b\u304b\u306e\u30e6\u30fc\u30b6\u306f\u3001\u5909\u66f4\u4e2d\u306e\u30c7\u30fc\u30bf\u3092\u53c2\u7167\u3067\u304d\u306a\u3044\u3002
\u5909\u66f4\u4e2d\u306e\u884c\u30c7\u30fc\u30bf\u3092SELECT\u6587\u306b\u3088\u308a\u691c\u7d22\u3059\u308b\u3068\u3001\u5909\u66f4\u524d\u306e\u30b3\u30df\u30c3\u30c8\u3055\u308c\u305f\u30c7\u30fc\u30bf\u304c\u623b\u3055\u308c\u308b\u3002<\/p>\n\n\n\n

COMMIT\u6587\u3067\u4fee\u4e86\u3059\u308c\u3070\u3001\u5909\u66f4\u306f\u78ba\u5b9a\u3055\u308c\u308b\u3002\u5909\u66f4\u524d\u306e\u72b6\u614b\u306f\u5b8c\u5168\u306b\u5931\u308f\u308c\u308b\u3002
ROLLBACK\u6587\u3067\u7d42\u4e86\u3059\u308c\u3070\u3001\u5909\u66f4\u306f\u53d6\u308a\u6d88\u3055\u308c\u3001\u30c7\u30fc\u30bf\u306f\u5143\u306b\u623b\u3055\u308c\u308b\u3002
\u3059\u3079\u3066\u306e\u30bb\u30fc\u30d6\u30dd\u30a4\u30f3\u30c8\u306f\u89e3\u653e\uff08\u524a\u9664\uff09\u3055\u308c\u308b\u3002
\u30ed\u30c3\u30af\u306f\u89e3\u9664\u3055\u308c\u3001\u4ed6\u306e\u30e6\u30fc\u30b6\u306f\u3001\u305d\u306e\u884c\u30c7\u30fc\u30bf\u3092\u66f4\u65b0\u3067\u304d\u308b\u3002
\u4ed6\u306e\u30e6\u30fc\u30b6\u306f\u3001\u78ba\u5b9a\u307e\u305f\u306f\u53d6\u308a\u6d88\u3055\u308c\u305f\u7d50\u679c\u3092\u53c2\u7167\u3067\u304d\u308b\u3002
\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306f\u3001COMMIT(\u78ba\u5b9a)\u3042\u308b\u3044\u306f\u3001ROLLBACK(\u53d6\u6d88)\u306e\u3044\u305a\u308c\u304b\u306b\u3088\u3063\u3066\u3001\u7d42\u4e86\u3059\u308b\u3002
\u7d42\u4e86\u5f8c\u3001\u6700\u521d\u306eDML\u6587\u304c\u767a\u884c\u3055\u308c\u308b\u3068\u3001\u6b21\u306e\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u304c\u59cb\u307e\u308b\u3002
COMMIT\u6587\u767a\u884c\u76f4\u5f8c\u3001ROLLBACK\u6587\u3092\u5b9f\u884c\u3057\u3066\u3082\u3001\u65b0\u3057\u3044\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306f\u59cb\u307e\u3089\u306a\u3044\u3002<\/p>\n\n\n\n

Oracle\u3067\u306f\u3001\u901a\u5e38\u306eSELECT\u6587\u3092\u5b9f\u884c\u3057\u3066\u3082\u3001\u30ed\u30c3\u30af\u5f85\u3061\u306b\u306f\u306a\u3089\u306a\u3044\u3002
SELECT\u6587\u3067\u30ed\u30c3\u30af\u3092\u4f7f\u3046\u30b1\u30fc\u30b9\u3068\u3057\u3066\u3001\u660e\u793a\u7684\u306b\u30ed\u30c3\u30af\u3092\u78ba\u4fdd\u3059\u308bSELECT \uff5eFOR UPDATE\u6587\u304c\u3042\u308b\u3002
\u4f8b\uff09
SELECT EMPNO, ENAME, SAL FROM EMP WHERE DEPTNO = 30
FOR UPDATE WAIT 10 ORDER BY EMPNO;<\/p>\n\n\n\n

\u691c\u7d22\u5bfe\u8c61\u3068\u306a\u3063\u305f\u884c\u304c\u884c\u30ec\u30d9\u30eb\u3067\u6392\u4ed6\u30ed\u30c3\u30af\u3055\u308c\u308b\u3002
\u691c\u7d22\u5bfe\u8c61\u306e\u884c\u304c\u4ed6\u306e\u30e6\u30fc\u30b6\u306b\u3088\u3063\u3066\u3001\u3059\u3067\u306b\u30ed\u30c3\u30af\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u305d\u306e\u30ed\u30c3\u30af\u306e\u89e3\u653e\u309210\u79d2\u9593\u3060\u3051\u5f85\u6a5f\u3055\u305b\u308b\u3002
SELECT \uff5e FOR UPDATE\u53e5\u3092\u6307\u5b9a\u3059\u308b\u3068\u3001\u691c\u7d22\u5bfe\u8c61\u3068\u306a\u3063\u305f\u884c\u306f\u3001\u30ed\u30c3\u30af\u3055\u308c\u308b\u3002<\/p>\n\n\n\n

<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

<\/p>\n","protected":false},"excerpt":{"rendered":"

\u25a0INSERT\u6587\u306b\u3088\u308b\u30c7\u30fc\u30bf\u306e\u8ffd\u52a0 INSERT INTO \u8868\u540d\u3000\u5217\u540d1, \u5217\u540d2,\u30fb\u30fb\u30fbVALUES (\u50241, \u50242,\u30fb\u30fb\u30fb VALUES\u53e5\u306e\u3042\u308bINSERT\u6587\u3067\u306f\u30011\u3064\u306e\u6587\u30671\u3064\u306e\u884c\u306e\u307f\u8868\u306b\u8ffd\u52a0\u3067\u304d\u308b\u3002 INSERT […]<\/p>\n","protected":false},"author":1,"featured_media":990,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[38,52,12],"tags":[],"class_list":{"0":"post-989","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-bronze-dba-12c","8":"category-bronze-sql-12c","9":"category-oracle"},"_links":{"self":[{"href":"https:\/\/skyit.biz\/index.php?rest_route=\/wp\/v2\/posts\/989","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/skyit.biz\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/skyit.biz\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/skyit.biz\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/skyit.biz\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=989"}],"version-history":[{"count":2,"href":"https:\/\/skyit.biz\/index.php?rest_route=\/wp\/v2\/posts\/989\/revisions"}],"predecessor-version":[{"id":992,"href":"https:\/\/skyit.biz\/index.php?rest_route=\/wp\/v2\/posts\/989\/revisions\/992"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/skyit.biz\/index.php?rest_route=\/wp\/v2\/media\/990"}],"wp:attachment":[{"href":"https:\/\/skyit.biz\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=989"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/skyit.biz\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=989"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/skyit.biz\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=989"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}