{"id":1003,"date":"2015-11-14T15:42:09","date_gmt":"2015-11-14T06:42:09","guid":{"rendered":"http:\/\/www.dbsheetclient.jp\/blog\/?p=1003"},"modified":"2018-06-27T16:01:01","modified_gmt":"2018-06-27T07:01:01","slug":"%e3%83%95%e3%82%a1%e3%83%b3%e3%82%af%e3%82%b7%e3%83%a7%e3%83%b3%e3%82%a4%e3%83%b3%e3%83%87%e3%83%83%e3%82%af%e3%82%b9","status":"publish","type":"post","link":"https:\/\/www.dbsheetclient.jp\/blog\/?p=1003","title":{"rendered":"\u30d5\u30a1\u30f3\u30af\u30b7\u30e7\u30f3\u30a4\u30f3\u30c7\u30c3\u30af\u30b9"},"content":{"rendered":"<p>IT\u30b3\u30fc\u30c7\u30a3\u30cd\u30fc\u30bf\u306e\u30b7\u30e5\u30a6\u3067\u3059\u3002<\/p>\n<p><a href=\"https:\/\/www.dbsheetclient.jp\/blog\/wp-content\/uploads\/2015\/11\/082.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-1004\" src=\"https:\/\/www.dbsheetclient.jp\/blog\/wp-content\/uploads\/2015\/11\/082-300x225.jpg\" alt=\"082\" width=\"300\" height=\"225\" srcset=\"https:\/\/www.dbsheetclient.jp\/blog\/wp-content\/uploads\/2015\/11\/082-300x225.jpg 300w, https:\/\/www.dbsheetclient.jp\/blog\/wp-content\/uploads\/2015\/11\/082-1024x768.jpg 1024w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p>\u30b3\u30b9\u30e2\u30b9\u304c\u3068\u3066\u3082\u304d\u308c\u3044\u3060\u3063\u305f\u306e\u3067\u5199\u771f\u306b\u64ae\u308a\u307e\u3057\u305f\u3002\u3053\u3053\u3057\u3070\u3089\u304f\u3001\u4ed5\u4e8b\u306e\u307b\u3046\u304c\u5fd9\u3057\u304f\u3001\u306a\u304b\u306a\u304b\u30d6\u30ed\u30b0\u3092\u4f5c\u6210\u3067\u304d\u306a\u304b\u3063\u305f\u306e\u3067\u3059\u304c\u3001\u4e45\u3057\u3076\u308a\u306e\u6295\u7a3f\u3067\u3059\u3002<\/p>\n<p>\u3055\u3066\u3001\u5b9f\u308a\u306e\u79cb\u3001\u98df\u6b32\u306e\u79cb\u3001\u30b9\u30dd\u30fc\u30c4\u306e\u79cb\u3001\u8aad\u66f8\u306e\u79cb\u3001\u3044\u308d\u3044\u308d\u306a\u8a00\u8449\u3067\u8868\u73fe\u3055\u308c\u308b\u79cb\u3082\u304b\u306a\u308a\u6df1\u307e\u3063\u3066\u304d\u307e\u3057\u305f\u3002<br \/>\u79c1\u3082\u5148\u6708\u306f\u3001\u59bb\u306b\u5f15\u3063\u5f35\u3089\u308c\u306a\u304c\u3089\u3001\u306a\u307e\u3063\u305f\u4f53\u306b\u97ad\u6253\u3063\u3066\u904b\u52d5\u4f1a\u306b\u3082\u4f55\u3068\u304b\u9811\u5f35\u3063\u3066\u53c2\u52a0\u3057\u307e\u3057\u305f\u3002\u5b50\u4f9b\u306e\u5b66\u6821\u306b\u304a\u3044\u3066\u306f\u3001\u9ad8\u6821\u3067\u306f\u6587\u5316\u796d\u3001\u4e2d\u5b66\u3067\u306f\u5408\u5531\u306e\u30af\u30e9\u30b9\u5bfe\u6297\u767a\u8868\u4f1a\u306a\u3069\u3082\u3042\u308a\u3001\u305f\u307e\u306b\u306f\u7236\u89aa\u3089\u3057\u3044\u3053\u3068\u3092\u3057\u3088\u3046\u3068\u3001\u5b50\u4f9b\u305f\u3061\u306e\u59ff\u3092\u898b\u306b\u884c\u3063\u3066\u6765\u307e\u3057\u305f\u3002<br \/>\u30d7\u30ed\u91ce\u7403\u306f\u65e5\u672c\u30b7\u30ea\u30fc\u30ba\u304c\u7d42\u308f\u308a\u3001\u4eca\u306f\u30d7\u30ec\u30df\u30a212\u304c\u59cb\u307e\u3063\u3066\u3044\u307e\u3059\u3002\u65e5\u672c\u306f3\u9023\u52dd\u3067\u9811\u5f35\u3063\u3066\u3044\u307e\u3059\u306d\u3002\u4f53\u64cd\u306e\u4e16\u754c\u9078\u624b\u6a29\u3067\u306f\u65e5\u672c\u304c37\u5e74\u3076\u308a\u306e\u91d1\u30e1\u30c0\u30eb\u3001\u305d\u3057\u3066\u3001\u5185\u6751\u822a\u5e73\u9078\u624b\u304c\u3001\u524d\u4eba\u672a\u5230\u306e\u500b\u4eba\u7dcf\u54086\u9023\u8987\uff01\u3000\u3044\u3084\u3042\u3001\u6319\u3052\u51fa\u3059\u3068\u3044\u308d\u3044\u308d\u3042\u308a\u307e\u3059\u306d\u3002\u305d\u3057\u3066\u307f\u3093\u306a\u9811\u5f35\u3063\u3066\u3044\u308b\u3093\u3067\u3059\u3088\u306d\u3002\u79c1\u3082\u3001\u3061\u3087\u3063\u3068\u75b2\u308c\u3066\u3044\u308b\u3051\u3069\u3001\u9811\u5f35\u308b\u305e\uff01<br \/>\uff0e\uff0e\uff0e\u3068\u6c17\u5408\u306f\u5165\u308c\u3066\u307f\u305f\u3093\u3067\u3059\u304c\u3001\u306a\u304b\u306a\u304b\u529b\u304c\u51fa\u306a\u3044\u306e\u3082\u4e8b\u5b9f\u3002\u4eca\u65e5\u306f\u4e45\u3057\u3076\u308a\u306b\u65e9\u304f\u5e30\u308d\u3046\u304b\u306a\uff5e\u3002<\/p>\n<p><strong>\uff1c\u672c\u65e5\u306e\u984c\u6750\uff1e<\/strong><br \/><strong>\u30d5\u30a1\u30f3\u30af\u30b7\u30e7\u30f3\u30a4\u30f3\u30c7\u30c3\u30af\u30b9<\/p>\n<p><\/strong>\u3044\u308d\u3044\u308d\u306a\u30b7\u30b9\u30c6\u30e0\u3092\u62c5\u5f53\u3059\u308b\u3068\u3001\u3042\u308b\u30c7\u30fc\u30bf\u3092\u62bd\u51fa\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u3068\u304d\u306b\u3001\u30c6\u30fc\u30d6\u30eb\u540c\u58eb\u306e\u30b8\u30e7\u30a4\u30f3\u306b\u3001\u65e2\u5b58\u306e\u30ad\u30fc\u3068\u306a\u308b\u9805\u76ee\u3092\u305d\u306e\u307e\u307e\u4f7f\u7528\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u305a\u3001\u95a2\u6570\u3092\u4f7f\u7528\u3057\u3066\u9805\u76ee\u3092\u52a0\u5de5\u3057\u305f\u304b\u305f\u3061\u3067\u6761\u4ef6\u3092\u8a2d\u5b9a\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u5834\u5408\u306b\u6642\u6298\u906d\u9047\u3057\u307e\u3059\u3002<br \/>\u305d\u3093\u306a\u3068\u304d\u3001\u30c7\u30fc\u30bf\u4ef6\u6570\u304c\u591a\u3044\u5834\u5408\u306b\u306f\u3001\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u3046\u307e\u304f\u4f7f\u3048\u306a\u3044\u305f\u3081\u306b\u51e6\u7406\u6642\u9593\u304c\u304b\u306a\u308a\u304b\u304b\u3063\u3066\u3057\u307e\u3044\u3001\u554f\u984c\u306b\u306a\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u6700\u8fd1\u306e\u958b\u767a\u6848\u4ef6\u3067\u3082\u305d\u3046\u3044\u3046\u30b1\u30fc\u30b9\u304c\u3042\u308a\u3001\u3069\u3046\u3057\u305f\u3089\u3088\u3044\u304b\u3092\u691c\u8a0e\u3057\u305f\u3068\u3053\u308d\u3001ORACLE\u306e\u6a5f\u80fd\u306b\u30d5\u30a1\u30f3\u30af\u30b7\u30e7\u30f3\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3068\u3044\u3046\u3082\u306e\u304c\u3042\u308a\u3001\u305d\u308c\u3092\u4f7f\u3046\u3053\u3068\u3067\u51e6\u7406\u6642\u9593\u3092\u77ed\u7e2e\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3057\u305f\u3002<br \/>\u4eca\u65e5\u306f\u3001\u305d\u308c\u3092\u53d6\u308a\u4e0a\u3052\u3066\u307f\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n<p>\u5b9f\u969b\u306b\u884c\u3063\u305f\u30b1\u30fc\u30b9\u306f\u3061\u3087\u3063\u3068\u8907\u96d1\u3060\u3063\u305f\u305f\u3081\u3001\u7c21\u5358\u306a\u4f8b\u3067\u8a66\u3057\u3066\u307f\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n<p>\u30c6\u30fc\u30d6\u30eb\u300cTAB_C\u300d\u3001\u30c6\u30fc\u30d6\u30eb\u300cTAB_D\u300d\u304c\u3042\u308a\u3001\u5b9a\u7fa9\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u3060\u3068\u3057\u307e\u3059\u3002<\/p>\n<p>CREATE TABLE TAB_C(<br \/>\u00a0C_CODE_1\u00a0\u00a0 VARCHAR2(20)<br \/>,C_\u6570\u91cf\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 NUMBER(12)<br \/>,CONSTRAINT PK_TAB_C PRIMARY KEY (C_CODE_1));<\/p>\n<p>CREATE TABLE TAB_D(<br \/>\u00a0D_CODE_1\u00a0\u00a0 VARCHAR2(20)<br \/>,D_\u6570\u91cf \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0NUMBER(12)<br \/>,CONSTRAINT PK_TAB_D PRIMARY KEY (D_CODE_1));<\/p>\n<p>\u30c7\u30fc\u30bf\u3092\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u4f5c\u6210\u3057\u307e\u3059\u3002<br \/>TAB_C\u306e\u300cC_CODE_1\u300d\u306f\u3001\u6700\u521d\u306e\u6587\u5b57\u304c\u300cC\u300d\u3067\u5f8c\u306f1\u304b\u3089\u306e\u9023\u756a\u3001TAB_D\u306e\u300cD_CODE_1\u300d\u306f\u3001\u6700\u521d\u306e\u6587\u5b57\u304c\u300cD\u300d\u3067\u5f8c\u306f1\u304b\u3089\u306e\u9023\u756a\u3068\u3057\u307e\u3059\u3002\u307e\u305f\u3001C_\u6570\u91cf\u3001D_\u6570\u91cf\u306b\u3064\u3044\u3066\u306f\u30011\uff5e1000000 \u306e\u9593\u306e\u30e9\u30f3\u30c0\u30e0\u306a\u6574\u6570\u3092\u8a2d\u5b9a\u3059\u308b\u3053\u3068\u306b\u3057\u307e\u3059\u3002<\/p>\n<p>DECLARE<br \/>\u00a0 v_count NUMBER := 0;<br \/>\u00a0 v_ccode VARCHAR2(20) := &#8216; &#8216;;<br \/>\u00a0 v_dcode VARCHAR2(20) := &#8216; &#8216;;<br \/>BEGIN<br \/>\u00a0 WHILE v_count &lt; 1000000 LOOP<br \/>\u00a0 \u00a0 v_count := v_count + 1;<br \/>\u00a0 \u00a0 v_ccode := &#8216;C&#8217;||CAST(v_count AS VARCHAR2);<br \/>\u00a0 \u00a0 v_dcode := &#8216;D&#8217;||CAST(v_count AS VARCHAR2);<\/p>\n<p>\u00a0 \u00a0 INSERT INTO TAB_C(C_CODE_1, C_\u6570\u91cf)VALUES<br \/>\u00a0 (v_ccode, FLOOR(DBMS_RANDOM.VALUE(1, 1000001)));<br \/>\u00a0 \u00a0INSERT INTO TAB_D(D_CODE_1, D_\u6570\u91cf)VALUES<br \/>\u00a0 (v_dcode, FLOOR(DBMS_RANDOM.VALUE(1, 1000001)));<br \/>END LOOP;<br \/>END;<br \/>\/<\/p>\n<p>\u203bDBMS_RANDOM.VALUE\u306f\u4e71\u6570\u3092\u53d6\u5f97\u3059\u308b\u306e\u306b\u4f7f\u3048\u307e\u3059\u3002<\/p>\n<p>\u30c7\u30fc\u30bf\u306e\u4f5c\u6210\u7d50\u679c\u3092\u78ba\u8a8d\u3057\u3066\u307f\u307e\u3059\u3002<br \/>SELECT * FROM TAB_C<br \/>ORDER BY CAST(SUBSTR(C_CODE_1,2,LENGTH(C_CODE_1)-1) AS NUMBER);<br \/><a href=\"https:\/\/www.dbsheetclient.jp\/blog\/wp-content\/uploads\/2015\/11\/TAB_C\u7d50\u679c11.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-1020\" src=\"https:\/\/www.dbsheetclient.jp\/blog\/wp-content\/uploads\/2015\/11\/TAB_C\u7d50\u679c11-204x300.png\" alt=\"TAB_C\u7d50\u679c1\" width=\"204\" height=\"300\" srcset=\"https:\/\/www.dbsheetclient.jp\/blog\/wp-content\/uploads\/2015\/11\/TAB_C\u7d50\u679c11-204x300.png 204w, https:\/\/www.dbsheetclient.jp\/blog\/wp-content\/uploads\/2015\/11\/TAB_C\u7d50\u679c11.png 294w\" sizes=\"auto, (max-width: 204px) 100vw, 204px\" \/><\/a><\/p>\n<p>SELECT * FROM TAB_D<br \/>ORDER BY CAST(SUBSTR(D_CODE_1,2,LENGTH(D_CODE_1)-1) AS NUMBER);<br \/><a href=\"https:\/\/www.dbsheetclient.jp\/blog\/wp-content\/uploads\/2015\/11\/TAB_D\u7d50\u679c11.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-1021\" src=\"https:\/\/www.dbsheetclient.jp\/blog\/wp-content\/uploads\/2015\/11\/TAB_D\u7d50\u679c11-195x300.png\" alt=\"TAB_D\u7d50\u679c1\" width=\"195\" height=\"300\" srcset=\"https:\/\/www.dbsheetclient.jp\/blog\/wp-content\/uploads\/2015\/11\/TAB_D\u7d50\u679c11-195x300.png 195w, https:\/\/www.dbsheetclient.jp\/blog\/wp-content\/uploads\/2015\/11\/TAB_D\u7d50\u679c11.png 282w\" sizes=\"auto, (max-width: 195px) 100vw, 195px\" \/><\/a><\/p>\n<p>TAB_C\u3001TAB_D\u3068\u30821000000\u4ef6\u4f5c\u6210\u3055\u308c\u3066\u3044\u3066\u3001\u6570\u91cf\u306f\u30e9\u30f3\u30c0\u30e0\u306a\u6574\u6570\uff081\uff5e1000000\u306e\u9593\uff09\u306b\u306a\u3063\u3066\u3044\u308b\u306e\u304c\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e2\u3064\u306e\u30c6\u30fc\u30d6\u30eb\u306f\u3001\u305d\u308c\u305e\u308c\u306e\u30c6\u30fc\u30d6\u30eb\u306e\u4e3b\u30ad\u30fc\u3067\u3042\u308b\u300cC_CODE_1\u300d\u300cD_CODE_1\u300d\u306e2\u6841\u76ee\u4ee5\u4e0b\u306e\u5024\u3067\u30b8\u30e7\u30a4\u30f3\u3059\u308b\u3053\u3068\u3067\u30011\u5bfe1\u306e\u30c7\u30fc\u30bf\u3092\u62bd\u51fa\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u3068\u304d\u306e\u30b8\u30e7\u30a4\u30f3\u306e\u6761\u4ef6\u306f\u3001\u4f8b\u3048\u3070\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<br \/>SUBSTR(C_CODE_1,2,LENGTH(C_CODE_1)-1)\u00a0= SUBSTR(D_CODE_1,2,LENGTH(D_CODE_1)-1)<\/p>\n<p>\u3053\u306e\u5834\u5408\u3001C_CODE_1\u3001C_CODE_2\u306f\u3001\u305d\u308c\u305e\u308c\u306e\u30c6\u30fc\u30d6\u30eb\u306e\u30d7\u30e9\u30a4\u30de\u30ea\u30fc\u30ad\u30fc\u3067\u3042\u3063\u305f\u3068\u3057\u3066\u3082\u3001SUBSTR\u3084LENGTH\u3068\u3044\u3046\u95a2\u6570\u3092\u4f7f\u3063\u3066\u3044\u308b\u305f\u3081\u306b\u3046\u307e\u304f\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u4f7f\u3063\u305f\u691c\u7d22\u3092\u3057\u3066\u304f\u308c\u306a\u3044\uff08\u5168\u4ef6\u691c\u7d22\u306b\u306a\u308b\uff09\u306e\u3067\u3001\u30c6\u30fc\u30d6\u30eb\u4ef6\u6570\u304c\u591a\u3044\u5834\u5408\u306b\u306f\u3001\u51e6\u7406\u6642\u9593\u304c\u975e\u5e38\u306b\u304b\u304b\u3063\u3066\u3057\u307e\u3044\u307e\u3059\u3002<\/p>\n<p>\u5b9f\u969b\u306b\u3001\u30b8\u30e7\u30a4\u30f3\u3057\u305f\u7d50\u679c\u3092\u62bd\u51fa\u3057\u3066\u307f\u307e\u3059\u3002<br \/>\uff08\u6761\u4ef6\u3068\u3057\u3066\u3001\u30ad\u30fc\u306e2\u6841\u76ee\u4ee5\u964d\u304c700000\uff5e710000\u306e\u3082\u306e\u306b\u7d5e\u3063\u3066\u3044\u307e\u3059\uff09<\/p>\n<p>SELECT<br \/>SUBSTR(C_CODE_1,2,LENGTH(C_CODE_1)-1), SUBSTR(D_CODE_1,2,LENGTH(D_CODE_1)-1)<br \/>\u00a0 FROM TAB_C C<br \/>\u00a0 JOIN TAB_D D<br \/>\u00a0 \u00a0 ON SUBSTR(C_CODE_1,2,LENGTH(C_CODE_1)-1) =\u00a0SUBSTR(D_CODE_1,2,LENGTH(D_CODE_1)-1)<br \/>\u00a0WHERE SUBSTR(C_CODE_1,2,LENGTH(C_CODE_1)-1) BETWEEN 700000 AND 710000<br \/>\u00a0ORDER BY SUBSTR(C_CODE_1,2,LENGTH(C_CODE_1)-1);<\/p>\n<p><a href=\"https:\/\/www.dbsheetclient.jp\/blog\/wp-content\/uploads\/2015\/11\/\u30d5\u30a1\u30f3\u30af\u30b7\u30e7\u30f3\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u4f5c\u6210\u524d2.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-1007\" src=\"https:\/\/www.dbsheetclient.jp\/blog\/wp-content\/uploads\/2015\/11\/\u30d5\u30a1\u30f3\u30af\u30b7\u30e7\u30f3\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u4f5c\u6210\u524d2-287x300.png\" alt=\"\u30d5\u30a1\u30f3\u30af\u30b7\u30e7\u30f3\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u4f5c\u6210\u524d2\" width=\"287\" height=\"300\" srcset=\"https:\/\/www.dbsheetclient.jp\/blog\/wp-content\/uploads\/2015\/11\/\u30d5\u30a1\u30f3\u30af\u30b7\u30e7\u30f3\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u4f5c\u6210\u524d2-287x300.png 287w, https:\/\/www.dbsheetclient.jp\/blog\/wp-content\/uploads\/2015\/11\/\u30d5\u30a1\u30f3\u30af\u30b7\u30e7\u30f3\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u4f5c\u6210\u524d2.png 376w\" sizes=\"auto, (max-width: 287px) 100vw, 287px\" \/><\/a><\/p>\n<p>\u5b9f\u969b\u306b\u5b9f\u884c\u8a08\u753b\u3092\u53d6\u5f97\u3057\u3066\u307f\u308b\u3068\u3001<br \/>&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212; \u5b9f\u884c\u8a08\u753b &#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8211;<br \/>SELECT STATEMENT\u00a0\u00a0 Cost = 126399<br \/>\u00a0 \u00a0 SORT ORDER BY\u00a0<br \/>\u00a0 \u00a0 \u00a0 \u00a0 HASH JOIN \u00a0<br \/>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 TABLE ACCESS FULL TAB_C<br \/>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 TABLE ACCESS FULL TAB_D<br \/>&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8211;<br \/>\u300cTAB_C\u300d\u300cTAB_D\u300d\u3068\u3082\u300cTABLE ACCESS FULL\u300d\u3068\u306a\u3063\u3066\u3044\u3066\u3001\u30d5\u30eb\u30b9\u30ad\u30e3\u30f3\u3057\u3066\u3044\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002<br \/>\u00a0<br \/>\u305d\u3053\u3067\u3001\u30d5\u30a1\u30f3\u30af\u30b7\u30e7\u30f3\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u4f5c\u6210\u3057\u3066\u307f\u307e\u3059\u3002<br \/>CREATE \u00a0INDEX \u00a0IX_TAB_C_FUNC \u00a0ON \u00a0TAB_C<br \/>(SUBSTR(C_CODE_1,2,LENGTH(C_CODE_1)-1));<br \/>\u00a0<br \/>CREATE \u00a0INDEX \u00a0IX_TAB_D_FUNC \u00a0ON \u00a0TAB_D<br \/>\u00a0(SUBSTR(D_CODE_1,2,LENGTH(D_CODE_1)-1));<\/p>\n<p>\u30d5\u30a1\u30f3\u30af\u30b7\u30e7\u30f3\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306f\u3001\u7d22\u5f15\u81ea\u4f53\u3068\u7d22\u5f15\u304c\u5b9a\u7fa9\u3055\u308c\u308b\u8868\u304c\u5206\u6790\u3055\u308c\u308b\u307e\u3067\u3001\u4f7f\u7528\u3055\u308c\u306a\u3044\u3068\u3044\u3046\u3053\u3068\u306a\u306e\u3067\u3001\u5206\u6790\u3057\u307e\u3059\u3002<\/p>\n<p>EXEC DBMS_STATS.GATHER_TABLE_STATS(OWNNAME =&gt; &#8216;BLOG_TEST&#8217;, TABNAME =&gt; &#8216;TAB_C&#8217;);<br \/><a href=\"https:\/\/www.dbsheetclient.jp\/blog\/wp-content\/uploads\/2015\/11\/\u30d5\u30a1\u30f3\u30af\u30b7\u30e7\u30f3\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u4f5c\u62101.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone  wp-image-1008\" src=\"https:\/\/www.dbsheetclient.jp\/blog\/wp-content\/uploads\/2015\/11\/\u30d5\u30a1\u30f3\u30af\u30b7\u30e7\u30f3\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u4f5c\u62101-300x36.png\" alt=\"\u30d5\u30a1\u30f3\u30af\u30b7\u30e7\u30f3\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u4f5c\u62101\" width=\"391\" height=\"47\" srcset=\"https:\/\/www.dbsheetclient.jp\/blog\/wp-content\/uploads\/2015\/11\/\u30d5\u30a1\u30f3\u30af\u30b7\u30e7\u30f3\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u4f5c\u62101-300x36.png 300w, https:\/\/www.dbsheetclient.jp\/blog\/wp-content\/uploads\/2015\/11\/\u30d5\u30a1\u30f3\u30af\u30b7\u30e7\u30f3\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u4f5c\u62101.png 692w\" sizes=\"auto, (max-width: 391px) 100vw, 391px\" \/><\/a><\/p>\n<p>EXEC DBMS_STATS.GATHER_TABLE_STATS(OWNNAME =&gt; &#8216;BLOG_TEST&#8217;, TABNAME =&gt; &#8216;TAB_D&#8217;);<br \/><a href=\"https:\/\/www.dbsheetclient.jp\/blog\/wp-content\/uploads\/2015\/11\/\u30d5\u30a1\u30f3\u30af\u30b7\u30e7\u30f3\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u4f5c\u62102.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone  wp-image-1011\" src=\"https:\/\/www.dbsheetclient.jp\/blog\/wp-content\/uploads\/2015\/11\/\u30d5\u30a1\u30f3\u30af\u30b7\u30e7\u30f3\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u4f5c\u62102-300x37.png\" alt=\"\u30d5\u30a1\u30f3\u30af\u30b7\u30e7\u30f3\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u4f5c\u62102\" width=\"381\" height=\"47\" srcset=\"https:\/\/www.dbsheetclient.jp\/blog\/wp-content\/uploads\/2015\/11\/\u30d5\u30a1\u30f3\u30af\u30b7\u30e7\u30f3\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u4f5c\u62102-300x37.png 300w, https:\/\/www.dbsheetclient.jp\/blog\/wp-content\/uploads\/2015\/11\/\u30d5\u30a1\u30f3\u30af\u30b7\u30e7\u30f3\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u4f5c\u62102.png 668w\" sizes=\"auto, (max-width: 381px) 100vw, 381px\" \/><\/a><\/p>\n<p>\u3053\u306e\u72b6\u614b\u3067\u3001\u518d\u5ea6\u3001\u5148\u307b\u3069\u306eSQL\u306e\u5b9f\u884c\u8a08\u753b\u3092\u53d6\u5f97\u3057\u3066\u307f\u307e\u3059\u3002<\/p>\n<p>&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212; \u5b9f\u884c\u8a08\u753b &#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8211;<br \/>SELECT STATEMENT\u00a0\u00a0 Cost = 1445<br \/>\u00a0 \u00a0 SORT ORDER BY\u00a0<br \/>\u00a0 \u00a0 \u00a0 \u00a0 HASH JOIN \u00a0<br \/>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 INDEX FAST FULL SCAN IX_TAB_C_FUNC<br \/>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 INDEX FAST FULL SCAN IX_TAB_D_FUNC<br \/>&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8211;<\/p>\n<p>\u3059\u308b\u3068\u3001\u78ba\u304b\u306b\u4f5c\u6210\u3057\u305f\u30d5\u30a1\u30f3\u30af\u30b7\u30e7\u30f3\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u300cIX_TAB_C_FUNC\u300d\u300cIX_TAB_D_FUNC\u300d\u304c\u5229\u7528\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u304c\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3057\u3001COST\u3082\u304b\u306a\u308a\u5c0f\u3055\u306a\u5024\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<br \/>\u5b9f\u969b\u306e\u62bd\u51fa\u7d50\u679c\u306f\u3001<\/p>\n<p><a href=\"https:\/\/www.dbsheetclient.jp\/blog\/wp-content\/uploads\/2015\/11\/\u30d5\u30a1\u30f3\u30af\u30b7\u30e7\u30f3\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u4f5c\u6210\u5f8c.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone  wp-image-1012\" src=\"https:\/\/www.dbsheetclient.jp\/blog\/wp-content\/uploads\/2015\/11\/\u30d5\u30a1\u30f3\u30af\u30b7\u30e7\u30f3\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u4f5c\u6210\u5f8c-300x231.png\" alt=\"\u30d5\u30a1\u30f3\u30af\u30b7\u30e7\u30f3\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u4f5c\u6210\u5f8c\" width=\"331\" height=\"255\" srcset=\"https:\/\/www.dbsheetclient.jp\/blog\/wp-content\/uploads\/2015\/11\/\u30d5\u30a1\u30f3\u30af\u30b7\u30e7\u30f3\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u4f5c\u6210\u5f8c-300x231.png 300w, https:\/\/www.dbsheetclient.jp\/blog\/wp-content\/uploads\/2015\/11\/\u30d5\u30a1\u30f3\u30af\u30b7\u30e7\u30f3\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u4f5c\u6210\u5f8c.png 722w\" sizes=\"auto, (max-width: 331px) 100vw, 331px\" \/><\/p>\n<p><\/a><\/p>\n<p>\u51e6\u7406\u81ea\u4f53\u3001\u5148\u307b\u3069\u3088\u308a\u306f\u65e9\u304f\u7d50\u679c\u304c\u8fd4\u3063\u3066\u6765\u307e\u3057\u305f\u3002<br \/>\u3053\u3046\u3044\u3046\u30b1\u30fc\u30b9\u3067\u3001\u30d5\u30a1\u30f3\u30af\u30b7\u30e7\u30f3\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u4f5c\u6210\u3059\u308b\u3053\u3068\u306f\u3001\u30ec\u30b9\u30dd\u30f3\u30b9\u6539\u5584\u3068\u3057\u3066\u306f\u52b9\u679c\u304c\u3042\u308b\u3053\u3068\u304c\u5206\u304b\u308a\u307e\u3059\u3002<\/p>\n<p>\u4eca\u65e5\u306f\u4ee5\u4e0a\u307e\u3067<\/p>\n","protected":false},"excerpt":{"rendered":"<p>IT\u30b3\u30fc\u30c7\u30a3\u30cd\u30fc\u30bf\u306e\u30b7\u30e5\u30a6\u3067\u3059\u3002 \u30b3\u30b9\u30e2\u30b9\u304c\u3068\u3066\u3082\u304d\u308c\u3044\u3060\u3063\u305f\u306e\u3067\u5199\u771f\u306b\u64ae\u308a\u307e\u3057\u305f\u3002\u3053\u3053\u3057\u3070\u3089\u304f\u3001\u4ed5\u4e8b\u306e\u307b\u3046\u304c\u5fd9\u3057\u304f\u3001\u306a\u304b\u306a\u304b\u30d6\u30ed\u30b0\u3092\u4f5c\u6210\u3067\u304d\u306a\u304b\u3063\u305f\u306e\u3067\u3059\u304c\u3001\u4e45\u3057\u3076\u308a\u306e\u6295\u7a3f\u3067\u3059\u3002 \u3055\u3066\u3001\u5b9f\u308a\u306e\u79cb\u3001\u98df\u6b32\u306e\u79cb\u3001\u30b9\u30dd\u30fc\u30c4\u306e\u79cb [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"enabled":false},"version":2}},"categories":[25,31],"tags":[],"class_list":["post-1003","post","type-post","status-publish","format-standard","hentry","category-25","category-31"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.dbsheetclient.jp\/blog\/index.php?rest_route=\/wp\/v2\/posts\/1003","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.dbsheetclient.jp\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.dbsheetclient.jp\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.dbsheetclient.jp\/blog\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.dbsheetclient.jp\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1003"}],"version-history":[{"count":11,"href":"https:\/\/www.dbsheetclient.jp\/blog\/index.php?rest_route=\/wp\/v2\/posts\/1003\/revisions"}],"predecessor-version":[{"id":1941,"href":"https:\/\/www.dbsheetclient.jp\/blog\/index.php?rest_route=\/wp\/v2\/posts\/1003\/revisions\/1941"}],"wp:attachment":[{"href":"https:\/\/www.dbsheetclient.jp\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1003"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.dbsheetclient.jp\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1003"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.dbsheetclient.jp\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1003"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}