{"id":3035,"date":"2013-08-05T15:42:15","date_gmt":"2013-08-05T06:42:15","guid":{"rendered":"http:\/\/www.techscore.com\/blog\/?p=3035"},"modified":"2018-11-14T16:33:54","modified_gmt":"2018-11-14T07:33:54","slug":"postgresql-%e6%97%a5%e4%bb%98%e3%81%ae%e9%96%a2%e6%95%b0%e3%81%ab%e3%81%a4%e3%81%84%e3%81%a6","status":"publish","type":"post","link":"https:\/\/www.techscore.com\/blog\/2013\/08\/05\/postgresql-%e6%97%a5%e4%bb%98%e3%81%ae%e9%96%a2%e6%95%b0%e3%81%ab%e3%81%a4%e3%81%84%e3%81%a6\/","title":{"rendered":"PostgreSQL \u65e5\u4ed8\u306e\u95a2\u6570\u306b\u3064\u3044\u3066"},"content":{"rendered":"<p>\u3069\u3046\u3082 \u6751\u4e0a\u3067\u3059\u3002<\/p>\n<p>\u6700\u8fd1PostgreSQL\u3092\u4f7f\u3063\u3066\u3066\u300c\u304a\u3045\uff01\uff01\u300d\u3063\u3066\u306a\u3063\u305f\u5185\u5bb9\u3067\u3059\u3002<\/p>\n<h2>\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u4e2d\u306b\u304a\u3051\u308bnow()\u95a2\u6570\u306b\u3064\u3044\u3066<\/h2>\n<p>\u30c7\u30fc\u30bf\u30b3\u30f3\u30d0\u30fc\u30c8\u3092\u3059\u308b\u305f\u3081\u306bSQL\u3092\u3061\u3087\u3053\u3061\u3087\u3053\u5b9f\u884c\u3057\u3066\u305f\u3089\u4e0d\u601d\u8b70\u306a\u3053\u3068\u304c\u8d77\u3053\u308a\u307e\u3057\u305f\u3002<\/p>\n<pre class=\"lang:sql decode:true\">postgres=# begin;\r\nBEGIN\r\npostgres=# select now();\r\n              now\r\n-------------------------------\r\n 2013-08-05 10:46:14.183706+09\r\n(1 \u884c)\r\n\r\npostgres=# select now();\r\n              now\r\n-------------------------------\r\n 2013-08-05 10:46:14.183706+09\r\n(1 \u884c)\r\n\r\npostgres=# select now();\r\n              now\r\n-------------------------------\r\n 2013-08-05 10:46:14.183706+09\r\n(1 \u884c)\r\n\r\npostgres=# select now();\r\n              now\r\n-------------------------------\r\n 2013-08-05 10:46:14.183706+09\r\n(1 \u884c)<\/pre>\n<p>\u5168\u90e8\u540c\u3058\u6642\u9593\u304c\u8fd4\u308b\uff01\uff1f<br \/>\n\u203b \u9ad8\u901f\u3067\u30b3\u30de\u30f3\u30c9\u3092\u53e9\u3044\u3066\u3044\u308b\u308f\u3051\u3067\u306f\u306a\u3044\u3067\u3059\uff01\uff01<\/p>\n<p>\u3053\u3093\u306a\u8a18\u8ff0\u304c<br \/>\n<a href=\"http:\/\/www.postgresql.jp\/document\/9.2\/html\/functions-datetime.html#FUNCTIONS-DATETIME-CURRENT\">9.9. \u65e5\u4ed8\/\u6642\u523b\u95a2\u6570\u3068\u6f14\u7b97\u5b50<\/a><\/p>\n<p>\u4e00\u90e8\u629c\u7c8b<br \/>\n<strong>\u3053\u308c\u3089\u306e\u95a2\u6570\u306f\u3001\u73fe\u5728\u306e\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306e\u958b\u59cb\u6642\u523b\u3092\u8fd4\u3057\u307e\u3059\u3002 \u3053\u306e\u5024\u306f\u3001\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u304c\u5b9f\u884c\u3055\u308c\u3066\u3044\u308b\u9593\u306f\u5909\u5316\u3057\u307e\u305b\u3093\u3002 \u3053\u308c\u306f\u3001\u6b21\u306e\u6a5f\u80fd\u3092\u691c\u8a0e\u3057\u305f\u7d50\u679c\u3067\u3059\u3002 \u5358\u4e00\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u3067\u3001\"current\"\u6642\u9593\u3092\u4e00\u8cab\u6027\u3092\u6301\u3063\u305f\u8868\u73fe\u3092\u884c\u3046\u3053\u3068\u304c\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u308b\u3053\u3068\u3092\u76ee\u7684\u3068\u3057\u3001\u3053\u306e\u305f\u3081\u3001\u540c\u4e00\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u3067\u4f55\u56de\u5909\u66f4\u3092\u884c\u3063\u3066\u3082\u540c\u4e00\u306e\u30bf\u30a4\u30e0\u30b9\u30bf\u30f3\u30d7\u3092\u751f\u6210\u3057\u307e\u3059\u3002<\/strong><\/p>\n<p>\u305d\u3057\u3066\u6ce8\u610f\u66f8\u304d\u306b<br \/>\n<strong>\u6ce8\u610f: \u4ed6\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30b7\u30b9\u30c6\u30e0\u3067\u306f\u3001\u3053\u308c\u3089\u306e\u5024\u3092\u3088\u308a\u983b\u7e41\u306b\u5897\u52a0\u3055\u305b\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/strong><br \/>\n\u3068\u3082\u3042\u308a\u307e\u3057\u305f\u3002<\/p>\n<h2>\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u4e2d\u306b\u73fe\u5728\u6642\u523b\u3092\u53d6\u5f97\u3059\u308b\u306b\u306f\uff1f<\/h2>\n<p>PostgreSQL\u306b\u306f\u3044\u308d\u3044\u308d\u3068\u6642\u9593\u3092\u53d6\u5f97\u3059\u308b\u95a2\u6570\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<pre class=\"lang:sql decode:true\">\r\npostgres=# select \r\n             CURRENT_TIMESTAMP, \r\n             now(), \r\n             transaction_timestamp(), \r\n             statement_timestamp(), \r\n             clock_timestamp();\r\n-[ RECORD 1 ]---------+------------------------------\r\nCURRENT_TIMESTAMP     | 2013-08-05 10:58:14.271624+09\r\nnow                   | 2013-08-05 10:58:14.271624+09\r\ntransaction_timestamp | 2013-08-05 10:58:14.271624+09\r\nstatement_timestamp   | 2013-08-05 10:58:14.271624+09\r\nclock_timestamp       | 2013-08-05 10:58:14.271765+09\r\n<\/pre>\n<p>\u30de\u30cb\u30e5\u30a2\u30eb\u306b\u3088\u308b\u3068\u3001<br \/>\nCURRENT_TIMESTAMP = now() = transaction_timestamp()<br \/>\n\u3067\u3059\u3002<br \/>\n\u307e\u305f<br \/>\nstatement_timestamp()\u306f\u73fe\u5728\u306e\u6587\u306e\u5b9f\u884c\u958b\u59cb\u6642\u523b\u3092\u8fd4\u3059<br \/>\nclock_timestamp()\u306f\u5b9f\u969b\u306e\u73fe\u5728\u6642\u523b\u3092\u8fd4\u3059<\/p>\n<p>\u3068\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u3067\u306f\u3084\u3063\u3066\u307f\u3088\u3046\uff01\uff01<\/p>\n<h3>\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306a\u3057<\/h3>\n<pre class=\"lang:sql decode:true\">\r\npostgres=# select CURRENT_TIMESTAMP, now(), transaction_timestamp(), statement_timestamp(), clock_timestamp();\r\n\r\n-[ RECORD 1 ]---------+------------------------------\r\nCURRENT_TIMESTAMP     | 2013-08-05 14:55:08.258797+09\r\nnow                   | 2013-08-05 14:55:08.258797+09\r\ntransaction_timestamp | 2013-08-05 14:55:08.258797+09\r\nstatement_timestamp   | 2013-08-05 14:55:08.258797+09\r\nclock_timestamp       | 2013-08-05 14:55:08.25894+09\r\n\r\npostgres=# select CURRENT_TIMESTAMP, now(), transaction_timestamp(), statement_timestamp(), clock_timestamp();\r\n\r\n-[ RECORD 1 ]---------+------------------------------\r\nCURRENT_TIMESTAMP     | 2013-08-05 14:55:12.553793+09\r\nnow                   | 2013-08-05 14:55:12.553793+09\r\ntransaction_timestamp | 2013-08-05 14:55:12.553793+09\r\nstatement_timestamp   | 2013-08-05 14:55:12.553793+09\r\nclock_timestamp       | 2013-08-05 14:55:12.55396+09\r\n\r\npostgres=# select CURRENT_TIMESTAMP, now(), transaction_timestamp(), statement_timestamp(), clock_timestamp();\r\n\r\n-[ RECORD 1 ]---------+------------------------------\r\nCURRENT_TIMESTAMP     | 2013-08-05 14:55:16.442793+09\r\nnow                   | 2013-08-05 14:55:16.442793+09\r\ntransaction_timestamp | 2013-08-05 14:55:16.442793+09\r\nstatement_timestamp   | 2013-08-05 14:55:16.442793+09\r\nclock_timestamp       | 2013-08-05 14:55:16.442935+09\r\n\r\npostgres=# select CURRENT_TIMESTAMP, now(), transaction_timestamp(), statement_timestamp(), clock_timestamp();\r\n\r\n-[ RECORD 1 ]---------+------------------------------\r\nCURRENT_TIMESTAMP     | 2013-08-05 14:55:20.489792+09\r\nnow                   | 2013-08-05 14:55:20.489792+09\r\ntransaction_timestamp | 2013-08-05 14:55:20.489792+09\r\nstatement_timestamp   | 2013-08-05 14:55:20.489792+09\r\nclock_timestamp       | 2013-08-05 14:55:20.489933+09\r\n\r\npostgres=# select CURRENT_TIMESTAMP, now(), transaction_timestamp(), statement_timestamp(), clock_timestamp();\r\n\r\n-[ RECORD 1 ]---------+------------------------------\r\nCURRENT_TIMESTAMP     | 2013-08-05 14:55:24.474795+09\r\nnow                   | 2013-08-05 14:55:24.474795+09\r\ntransaction_timestamp | 2013-08-05 14:55:24.474795+09\r\nstatement_timestamp   | 2013-08-05 14:55:24.474795+09\r\nclock_timestamp       | 2013-08-05 14:55:24.474937+09\r\n\r\n<\/pre>\n<p>\u9593\u9694\u306f\u6751\u4e0a\u4f53\u5185\u6642\u8a08\u306e5\u79d2\u3067\u3059\u3002<\/p>\n<p>clock_timestamp\u3068\u305d\u308c\u4ee5\u5916\u3067\u6642\u9593\u304c0.0002\u79d2\u307b\u3069\u9055\u3044\u307e\u3059\u3002<\/p>\n<h3>\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u3042\u308a<\/h3>\n<pre class=\"lang:sql decode:true\">postgres=# begin;\r\nBEGIN\r\npostgres=# select CURRENT_TIMESTAMP, now(), transaction_timestamp(), statement_timestamp(), clock_timestamp();\r\n\r\n-[ RECORD 1 ]---------+------------------------------\r\nCURRENT_TIMESTAMP     | 2013-08-05 14:58:09.65083+09\r\nnow                   | 2013-08-05 14:58:09.65083+09\r\ntransaction_timestamp | 2013-08-05 14:58:09.65083+09\r\nstatement_timestamp   | 2013-08-05 14:58:11.66579+09\r\nclock_timestamp       | 2013-08-05 14:58:11.665929+09\r\n\r\npostgres=# select CURRENT_TIMESTAMP, now(), transaction_timestamp(), statement_timestamp(), clock_timestamp();\r\n\r\n-[ RECORD 1 ]---------+------------------------------\r\nCURRENT_TIMESTAMP     | 2013-08-05 14:58:09.65083+09\r\nnow                   | 2013-08-05 14:58:09.65083+09\r\ntransaction_timestamp | 2013-08-05 14:58:09.65083+09\r\nstatement_timestamp   | 2013-08-05 14:58:15.986794+09\r\nclock_timestamp       | 2013-08-05 14:58:15.986931+09\r\n\r\npostgres=# select CURRENT_TIMESTAMP, now(), transaction_timestamp(), statement_timestamp(), clock_timestamp();\r\n\r\n-[ RECORD 1 ]---------+------------------------------\r\nCURRENT_TIMESTAMP     | 2013-08-05 14:58:09.65083+09\r\nnow                   | 2013-08-05 14:58:09.65083+09\r\ntransaction_timestamp | 2013-08-05 14:58:09.65083+09\r\nstatement_timestamp   | 2013-08-05 14:58:20.282797+09\r\nclock_timestamp       | 2013-08-05 14:58:20.282935+09\r\n\r\npostgres=# select CURRENT_TIMESTAMP, now(), transaction_timestamp(), statement_timestamp(), clock_timestamp();\r\n\r\n-[ RECORD 1 ]---------+------------------------------\r\nCURRENT_TIMESTAMP     | 2013-08-05 14:58:09.65083+09\r\nnow                   | 2013-08-05 14:58:09.65083+09\r\ntransaction_timestamp | 2013-08-05 14:58:09.65083+09\r\nstatement_timestamp   | 2013-08-05 14:58:24.802797+09\r\nclock_timestamp       | 2013-08-05 14:58:24.802935+09\r\n\r\npostgres=# select CURRENT_TIMESTAMP, now(), transaction_timestamp(), statement_timestamp(), clock_timestamp();\r\n\r\n-[ RECORD 1 ]---------+------------------------------\r\nCURRENT_TIMESTAMP     | 2013-08-05 14:58:09.65083+09\r\nnow                   | 2013-08-05 14:58:09.65083+09\r\ntransaction_timestamp | 2013-08-05 14:58:09.65083+09\r\nstatement_timestamp   | 2013-08-05 14:58:29.554777+09\r\nclock_timestamp       | 2013-08-05 14:58:29.554913+09\r\n<\/pre>\n<p>\u3053\u3061\u3089\u3082\u6751\u4e0a\u4f53\u5185\u6642\u8a08\u30675\u79d2\u9593\u9694\u3067\u3059\u3002<\/p>\n<p>\u30de\u30cb\u30e5\u30a2\u30eb\u901a\u308aCURRENT_TIMESTAMP\u3001now()\u3001transaction_timestamp()\u306f\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u958b\u59cb\u6642\u523b\u3092\u8fd4\u3057\u3066\u3044\u307e\u3059\u3002<br \/>\nstatement_timestamp()\u3068clock_timestamp()\u306f\u5b9f\u884c\u3055\u308c\u3066\u3044\u308b\u6642\u9593\u3092\u8fd4\u3057\u3066\u3044\u308b\u3088\u3046\u3067\u3059\u304c\u3001\u6642\u9593\u304c0.0002\u79d2\u307b\u3069\u6642\u9593\u304c\u9055\u3044\u307e\u3059\u3002<\/p>\n<h2>INSERT\u3068UPDATE\u3067\u306f\uff01\uff1f<\/h2>\n<p>SELECT\u3092\u3059\u308b\u3068INSERT\u3068UPDATE\u304c\u6c17\u306b\u306a\u308a\u307e\u3059\u3088\u306d\uff1f<br \/>\n\u3084\u3063\u3066\u307f\u307e\u3057\u305f\u3002<\/p>\n<pre class=\"lang:sql decode:true\">postgres=# \\d timestamp_table;\r\n                                         \u30c6\u30fc\u30d6\u30eb \"public.timestamp_table\"\r\n          \u5217           |             \u578b              |                            \u4fee\u98fe\u8a9e\r\n-----------------------+-----------------------------+--------------------------------------------------------------\r\n id                    | integer                     | not null default nextval('timestamp_table_id_seq'::regclass)\r\n current_time_stamp    | timestamp without time zone |\r\n now                   | timestamp without time zone |\r\n transaction_timestamp | timestamp without time zone |\r\n statement_timestamp   | timestamp without time zone |\r\n clock_timestamp       | timestamp without time zone |<\/pre>\n<h3>INSERT<\/h3>\n<p>\u3068\u3044\u3046\u30c6\u30fc\u30d6\u30eb\u306e\u4e0b\u8a18\u306eSQL\u3092\u6d41\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"lang:sql decode:true\">insert into timestamp_table(\r\n  current_time_stamp, \r\n  now, \r\n  transaction_timestamp, \r\n  statement_timestamp, \r\n  clock_timestamp) \r\nselect \r\n  CURRENT_TIMESTAMP, \r\n  now(), \r\n  transaction_timestamp(), \r\n  statement_timestamp(), \r\n  clock_timestamp() \r\nfrom GENERATE_SERIES(1, 1000000);<\/pre>\n<p>\u4ee5\u524d\u9234\u6728\u3055\u3093\u304c\u66f8\u304b\u308c\u3066\u3044\u305f\u96c6\u5408\u95a2\u6570\u3092\u4f7f\u3044\u307e\u3057\u305f\u3002<br \/>\n<a href=\"http:\/\/www.techscore.com\/blog\/2013\/03\/12\/%E9%9B%86%E5%90%88%E3%82%92%E8%BF%94%E3%81%99generate_series%E9%96%A2%E6%95%B0%E3%81%A7%E5%A4%A7%E9%87%8F%E3%83%87%E3%83%BC%E3%82%BF%E3%82%92%E7%94%9F%E6%88%90%E3%81%97%E3%81%A6%E9%9B%86%E8%A8%88\/\">PostgreSQL: \u96c6\u5408\u3092\u8fd4\u3059GENERATE_SERIES\u95a2\u6570\u3067\u5927\u91cf\u30c7\u30fc\u30bf\u3092\u751f\u6210\u3057\u3066\u96c6\u8a08\u3059\u308b<\/a><\/p>\n<p>\u3059\u3079\u3066\u306e\u30ec\u30b3\u30fc\u30c9\u306f\u78ba\u8a8d\u3067\u304d\u306a\u3044\u306e\u3067\u3001\u305d\u308c\u305e\u308c\u306emin\u3068max\u3092\u53d6\u3063\u3066\u307f\u307e\u3057\u305f\u3002<\/p>\n<pre class=\"lang:sql decode:true\">select\r\n  min(current_time_stamp) as current_time_stamp_min, max(current_time_stamp) as current_time_stamp_max, \r\n  min(now) as now_min, max(now) as now_max, \r\n  min(transaction_timestamp) as transaction_timestamp_min, max(transaction_timestamp) as transaction_timestamp_max, \r\n  min(statement_timestamp) as statement_timestamp_min, max(statement_timestamp) as statement_timestamp_max, \r\n  min(clock_timestamp) as clock_timestamp_min, max(clock_timestamp) as clock_timestamp_max \r\nfrom timestamp_table;\r\n\r\n-[ RECORD 1 ]-------------+---------------------------\r\ncurrent_time_stamp_min    | 2013-08-05 15:26:51.879825\r\ncurrent_time_stamp_max    | 2013-08-05 15:26:51.879825\r\nnow_min                   | 2013-08-05 15:26:51.879825\r\nnow_max                   | 2013-08-05 15:26:51.879825\r\ntransaction_timestamp_min | 2013-08-05 15:26:51.879825\r\ntransaction_timestamp_max | 2013-08-05 15:26:51.879825\r\nstatement_timestamp_min   | 2013-08-05 15:26:51.879825\r\nstatement_timestamp_max   | 2013-08-05 15:26:51.879825\r\nclock_timestamp_min       | 2013-08-05 15:26:52.030024\r\nclock_timestamp_max       | 2013-08-05 15:26:59.41853<\/pre>\n<p>clock_timestamp()\u3068\u305d\u308c\u4ee5\u5916\u3067\u6642\u9593\u304c\u9055\u3044\u307e\u3059\u3002<br \/>\n\u307e\u305f\u3001clock_timestamp()\u306emin\u3068max\u3067\u3082\u5024\u304c\u9055\u3044\u307e\u3059\u3002<\/p>\n<h3>UPDATE<\/h3>\n<p>\u7d9a\u3044\u3066UPDATE<\/p>\n<pre class=\"lang:sql decode:true\">UPDATE timestamp_table SET \r\n  current_time_stamp = CURRENT_TIMESTAMP,\r\n  now = now(),\r\n  transaction_timestamp = transaction_timestamp(),\r\n  statement_timestamp = statement_timestamp(), \r\n  clock_timestamp = clock_timestamp();<\/pre>\n<p>\u305d\u3057\u3066\u7d50\u679c<\/p>\n<pre class=\"lang:sql decode:true\">select\r\n  min(current_time_stamp) as current_time_stamp_min, max(current_time_stamp) as current_time_stamp_max, \r\n  min(now) as now_min, max(now) as now_max, \r\n  min(transaction_timestamp) as transaction_timestamp_min, max(transaction_timestamp) as transaction_timestamp_max, \r\n  min(statement_timestamp) as statement_timestamp_min, max(statement_timestamp) as statement_timestamp_max, \r\n  min(clock_timestamp) as clock_timestamp_min, max(clock_timestamp) as clock_timestamp_max \r\nfrom timestamp_table;\r\n\r\n-[ RECORD 1 ]-------------+---------------------------\r\ncurrent_time_stamp_min    | 2013-08-05 15:30:30.802788\r\ncurrent_time_stamp_max    | 2013-08-05 15:30:30.802788\r\nnow_min                   | 2013-08-05 15:30:30.802788\r\nnow_max                   | 2013-08-05 15:30:30.802788\r\ntransaction_timestamp_min | 2013-08-05 15:30:30.802788\r\ntransaction_timestamp_max | 2013-08-05 15:30:30.802788\r\nstatement_timestamp_min   | 2013-08-05 15:30:30.802788\r\nstatement_timestamp_max   | 2013-08-05 15:30:30.802788\r\nclock_timestamp_min       | 2013-08-05 15:30:30.845056\r\nclock_timestamp_max       | 2013-08-05 15:30:49.26184<\/pre>\n<p>INSERT\u3068\u7d50\u679c\u304c\u540c\u3058\u3067\u3059\u306d\u3002(\u5f53\u7136\u3061\u3083\u5f53\u7136\u3002\u3002\u3002)<\/p>\n<h2>\u307e\u3068\u3081<\/h2>\n<p>\u3068\u3044\u3046\u3053\u3068\u3067\u3001PostgreSQL\u306e\u73fe\u5728\u6642\u523b\u3092\u53d6\u5f97\u3059\u308b\u95a2\u6570\u3092\u898b\u3066\u6765\u307e\u3057\u305f\u3002<\/p>\n<p>\u7d50\u679c\u3068\u3057\u3066\u3001\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u958b\u59cb\u6642\u306e\u6642\u523b\u3092\u8fd4\u3059\u3082\u306e\u3068\u95a2\u6570\u5b9f\u884c\u6642\u306e\u6642\u523b\u3092\u8fd4\u3059\u3082\u306e\u304c\u3042\u308b\u3068\u3044\u3046\u3053\u3068\u3002<br \/>\nstatement_timestamp()\u3068clock_timestamp()\u306f\u540c\u3058\u3082\u306e\u3092\u8fd4\u3055\u306a\u3044\u3002(\u306a\u305c\u304b\u306f\u8b0e\u3002\u3002\u3002)<br \/>\n\u3068\u3044\u3046\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3057\u305f\u3002<\/p>\n<p>\u4ed6\u306eDBMS\u3067\u306f\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u5185\u3067\u306f\u73fe\u5728\u6642\u523b\u3092\u8fd4\u3057\u3066\u3044\u305f\u306e\u3067\u3001\u3053\u306e\u4ed5\u69d8\u3092\u77e5\u3063\u305f\u6642\u306b\u306f\u9a5a\u304d\u307e\u3057\u305f\u3002<br \/>\nPostgreSQL\u3092\u521d\u3081\u3066\u4f7f\u3046\u6642\u306b\u306f\u6ce8\u610f\u3067\u3059\u306d\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u3069\u3046\u3082 \u6751\u4e0a\u3067\u3059\u3002<\/p>\n<p>\u6700\u8fd1PostgreSQL\u3092\u4f7f\u3063\u3066\u3066\u300c\u304a\u3045\uff01\uff01\u300d\u3063\u3066\u306a\u3063\u305f\u5185\u5bb9\u3067\u3059\u3002<br \/>\n\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u4e2d\u306b\u304a\u3051\u308bnow()\u95a2\u6570\u306b\u3064\u3044\u3066<br \/>\n\u30c7\u30fc\u30bf\u30b3\u30f3\u30d0\u30fc\u30c8\u3092\u3059\u308b\u305f\u3081\u306bSQL\u3092\u3061\u3087\u3053\u3061\u3087\u3053\u5b9f\u884c\u3057\u3066\u305f\u3089\u4e0d\u601d\u8b70\u306a\u3053\u3068\u304c\u8d77\u3053\u308a\u307e\u3057\u305f\u3002<br \/><a href=\"https:\/\/www.techscore.com\/blog\/2013\/08\/05\/postgresql-%e6%97%a5%e4%bb%98%e3%81%ae%e9%96%a2%e6%95%b0%e3%81%ab%e3%81%a4%e3%81%84%e3%81%a6\/\">\u7d9a\u304d\u3092\u8aad\u3080...<\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[18],"tags":[206],"_links":{"self":[{"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/posts\/3035"}],"collection":[{"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/comments?post=3035"}],"version-history":[{"count":1,"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/posts\/3035\/revisions"}],"predecessor-version":[{"id":17918,"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/posts\/3035\/revisions\/17918"}],"wp:attachment":[{"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/media?parent=3035"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/categories?post=3035"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/tags?post=3035"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}