{"id":19375,"date":"2025-08-29T15:03:25","date_gmt":"2025-08-29T06:03:25","guid":{"rendered":"https:\/\/www.ecomottblog.com\/?p=19375"},"modified":"2025-08-29T15:03:26","modified_gmt":"2025-08-29T06:03:26","slug":"%e3%80%90%e4%b8%b8%e6%9a%97%e8%a8%98%e5%8d%92%e6%a5%ad%e3%80%91postgresql%e3%82%92%e8%a7%a6%e3%81%a3%e3%81%a6%e3%81%bf%e3%82%88%e3%81%86%ef%bc%81","status":"publish","type":"post","link":"https:\/\/www.ecomottblog.com\/?p=19375","title":{"rendered":"\u3010\u4e38\u6697\u8a18\u5352\u696d\u3011PostgreSQL\u3092\u89e6\u3063\u3066\u307f\u3088\u3046\uff01"},"content":{"rendered":"<p>\u5148\u65e5\u3001OSS-DB Exam Silver\u8a66\u9a13\u3092\u53d7\u3051\u3066\u304d\u307e\u3057\u305f\u3002<br \/>\n\u3053\u306e\u8a66\u9a13\u306fPostgreSQL\u306b\u95a2\u3059\u308b\u77e5\u8b58\u3092\u554f\u3046\u8a66\u9a13\u3067\u3001\u51fa\u984c\u5185\u5bb9\u306f\u30aa\u30fc\u30d7\u30f3\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3084SQL\u30b3\u30de\u30f3\u30c9\u306b\u95a2\u3059\u308b\u77e5\u8b58\u304c\u534a\u5206\u3068\u3001\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u65b9\u6cd5\u3001\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\u3001\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u65b9\u6cd5\u306a\u3069\u306e\u77e5\u8b58\u304c\u534a\u5206\u51fa\u984c\u3055\u308c\u307e\u3059\u3002<br \/>\n\u554f\u984c\u6570\u306f50\u554f\u306e\u9078\u629e\u5f0f\u3067\u3001100\u70b9\u6e80\u70b9\u4e2d64\u70b9\u4ee5\u4e0a\u3067\u5408\u683c\u3068\u306a\u308a\u307e\u3059\u3002(\u3061\u306a\u307f\u306b94\u70b9\u3067\u5408\u683c\u3067\u304d\u307e\u3057\u305f\u3002)<\/P><\/p>\n<p>\u8a66\u9a13\u52c9\u5f37\u306e\u8a70\u3081\u8fbc\u307f\u5b66\u7fd2\u3068\u3044\u3048\u3070\u3001\u3072\u305f\u3059\u3089\u554f\u984c\u3092\u89e3\u304f\uff01\u6697\u8a18\uff01\u3067\u3059\u304c\u3001\u79c1\u306f\u6697\u8a18\u304c\u3042\u307e\u308a\u5f97\u610f\u3067\u306f\u306a\u304f\u3001\u3059\u3050\u306b\u982d\u304c\u75b2\u308c\u3066\u3057\u307e\u3044\u307e\u3059\u3002<br \/>\n\u305d\u3053\u3067\u4eca\u56de\u306f\u5b9f\u969b\u306bPostgreSQL\u3092\u89e6\u3063\u3066\u307f\u3066\u300c\u4e38\u6697\u8a18\u300d\u3067\u306f\u306a\u304f\u300c\u7406\u89e3\u3057\u3066\u899a\u3048\u308b\u300d\u3053\u3068\u3092\u610f\u8b58\u3057\u307e\u3057\u305f\u3002<br \/>\n\u7279\u306bSQL\u6587\u306f\u6bd4\u8f03\u7684\u30a4\u30e1\u30fc\u30b8\u3057\u3084\u3059\u3044\u3067\u3059\u304c\u3001\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u65b9\u6cd5\u3084\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\u64cd\u4f5c\u306f\u666e\u6bb5\u89e6\u308c\u308b\u6a5f\u4f1a\u304c\u5c11\u306a\u3044\u90e8\u5206\u3067\u3059\u3002<br \/>\n\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001\u305d\u3046\u3044\u3063\u305f\u90e8\u5206\u3092\u7406\u89e3\u3057\u3066\u899a\u3048\u308b\u305f\u3081\u306b\u79c1\u304c\u8a66\u3057\u3066\u307f\u305f\u64cd\u4f5c\u65b9\u6cd5\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n<p><!--more--><\/p>\n<h3>Docker\u3092\u4f7f\u3063\u3066PostgreSQL\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb<\/h3>\n<p>Windows\u306b\u76f4\u63a5\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u3066\u3082\u3088\u304b\u3063\u305f\u306e\u3067\u3059\u304c\u3001<\/p>\n<ul>\n<li>\u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u4e2d\u5fc3\u3067\u64cd\u4f5c\u3057\u305f\u304b\u3063\u305f<\/li>\n<li>\u52c9\u5f37\u7528\u306a\u306e\u3067\u4e0d\u8981\u306b\u306a\u3063\u305f\u3089\u524a\u9664\u3057\u3084\u3059\u3044<\/li>\n<li>\u3059\u3067\u306bDocker\u74b0\u5883\u3092\u5165\u308c\u3066\u3044\u305f<\/li>\n<\/ul>\n<p>\u3068\u3044\u3046\u7406\u7531\u304b\u3089\u3001Docker\u3092\u4f7f\u3063\u3066\u74b0\u5883\u3092\u7528\u610f\u3057\u307e\u3057\u305f\u3002<\/p>\n<p>PowerShell\u3067\u4ee5\u4e0b\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002<\/p>\n<pre><code>$ docker run --name my-postgres -e POSTGRES_PASSWORD=pass -d -p 5432:5432 postgres:16<\/code><\/pre>\n<p>Docker\u306e\u5834\u5408\u3001\u30b3\u30f3\u30c6\u30ca\u8d77\u52d5\u3068\u540c\u6642\u306bPostgreSQL\u3082\u7acb\u3061\u4e0a\u304c\u308a\u307e\u3059\u3002<br \/>\n\uff08initdb + pg_ctl start\u304c\u5b9f\u884c\u3055\u308c\u308b\u30a4\u30e1\u30fc\u30b8\u3067\u3059\u3002\uff09<\/p>\n<p>\u30b3\u30f3\u30c6\u30ca\u306b\u5165\u308a\u307e\u3059\u3002<\/p>\n<pre><code>$ docker exec -it my-postgres bash<\/code><\/pre>\n<h3>\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3055\u308c\u305f\u3082\u306e\u3092\u898b\u3066\u307f\u308b<\/h3>\n<p>\u74b0\u5883\u5909\u6570\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/p>\n<pre><code># echo $PGDATA\n\/var\/lib\/postgres\/data<\/code><\/pre>\n<p>\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306e\u4e2d\u8eab\u3092\u898b\u3066\u307f\u307e\u3059\u3002<\/p>\n<pre><code># ls -l $PGDATA<\/code><\/pre>\n<p>\u51fa\u529b\u4f8b\uff1a<\/p>\n<pre><code>total 128\ndrwx------ 5 postgres postgres   4096 Aug 28 14:00 base\ndrwx------ 2 postgres postgres   4096 Aug 28 14:00 global\ndrwx------ 2 postgres postgres   4096 Aug 28 14:00 pg_commit_ts\n-rw------- 1 postgres postgres   2241 Aug 28 14:00 pg_hba.conf\n-rw------- 1 postgres postgres   1636 Aug 28 14:00 postgresql.conf\ndrwx------ 2 postgres postgres   4096 Aug 28 14:00 pg_wal\n...(\u7701\u7565)...<\/code><\/pre>\n<ul>\n<li><strong>base<\/strong> \u2026 \u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u306f\u3053\u306e\u30d5\u30a9\u30eb\u30c0\u306e\u4e2d\u306b\u30c6\u30fc\u30d6\u30eb\u306e\u30c7\u30fc\u30bf\u304c\u683c\u7d0d\u3055\u308c\u307e\u3059\u3002<\/li>\n<li><strong>pg_hba.conf<\/strong> \u2026 \u63a5\u7d9a\u8a8d\u8a3c\u306b\u95a2\u3059\u308b\u8a2d\u5b9a\u3092\u884c\u3044\u307e\u3059\u3002<\/li>\n<li><strong>postgresql.conf<\/strong> \u2026 \u30ed\u30b0\u51fa\u529b\u3084\u30d0\u30ad\u30e5\u30fc\u30e0\u306a\u3069\u306e\u52d5\u4f5c\u8a2d\u5b9a\u3092\u884c\u3044\u307e\u3059\u3002<\/li>\n<\/ul>\n<p><strong>pg_hba.conf<\/strong>\u306e\u8a8d\u8a3c\u65b9\u5f0f\u306b\u3064\u3044\u3066\u306f\u8a66\u9a13\u3067\u983b\u51fa\u3067\u3059\u3002\u307e\u305f\u3001<strong>postgres.conf<\/strong>\u306f\u30ed\u30b0\u306e\u51fa\u529b\u65b9\u6cd5\u306b\u3064\u3044\u3066\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u306e\u610f\u5473\u3084\u3001\u305d\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u306e\u53cd\u6620\u65b9\u6cd5\uff08\u518d\u8d77\u52d5\u3067\u53cd\u6620\u3055\u308c\u308b\u306e\u304b\u3001\u30d5\u30a1\u30a4\u30eb\u306e\u8aad\u307f\u8fbc\u307f\u3067\u53cd\u6620\u3055\u308c\u308b\u306e\u304b\uff09\u3082\u3088\u304f\u554f\u308f\u308c\u307e\u3059\u3002<br \/>\n\u5b9f\u969b\u306b cat \u3067\u4e2d\u8eab\u3092\u78ba\u8a8d\u3059\u308b\u3068\u3001\u304b\u306a\u308a\u884c\u6570\u304c\u3042\u308b\u306e\u3067\u3059\u304c\u3001\u8a66\u9a13\u306b\u51fa\u308b\u91cd\u8981\u306a\u90e8\u5206\u3060\u3051\u78ba\u8a8d\u3057\u305f\u3089\u5927\u4e08\u592b\u3067\u3059\u3002<\/p>\n<h3>\u3082\u3046\u3072\u3068\u3064\u30af\u30e9\u30b9\u30bf\u3092\u4f5c\u6210\u3057\u3066\u307f\u308b<\/h3>\n<p>PostgreSQL\u3067\u306f\u3001\u3072\u3068\u3064\u306eOS\u306b\u5bfe\u3057\u3066\u8907\u6570\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30af\u30e9\u30b9\u30bf\u3092\u4f5c\u6210\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002<br \/>\n\u3053\u308c\u306f<strong>\u300c\u3072\u3068\u3064\u306eOS\u306b\u5bfe\u3057\u3066\u8907\u6570\u306e\u30af\u30e9\u30b9\u30bf\u306f\u4f5c\u6210\u3067\u304d\u306a\u3044\u300d<\/strong>\u3068\u3044\u3063\u305f\u8aa4\u3063\u305f\u9078\u629e\u80a2\u304c\u983b\u51fa\u3059\u308b\u30dd\u30a4\u30f3\u30c8\u3067\u3082\u3042\u308a\u307e\u3059\u3002<br \/>\n\u5225\u306e\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306b\u30af\u30e9\u30b9\u30bf\u3092\u4f5c\u6210\u3057\u3066\u307f\u307e\u3059\u3002<\/p>\n<pre><code># mkdir \/tmp\/mycluster\n# chown postgres:postgres \/tmp\/mycluster\n# su - postgres\n$ \/usr\/lib\/postgresql\/16\/bin\/initdb -D \/tmp\/mycluster --username=myuser --encoding=UTF8 --locale=C<\/code><\/pre>\n<p><code>ls -l \/tmp\/mycluster<\/code> \u3092\u5b9f\u884c\u3059\u308b\u3068\u3001\u5148\u307b\u3069\u3068\u540c\u69d8\u306b postgresql.conf \u3084 pg_hba.conf \u306a\u3069\u304c\u4f5c\u6210\u3055\u308c\u3066\u3044\u308b\u306e\u304c\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<br \/>\n\u5b9f\u969b\u306b\u624b\u3092\u52d5\u304b\u3057\u3066\u65b0\u3057\u3044\u30af\u30e9\u30b9\u30bf\u3092\u4f5c\u308b\u3053\u3068\u3067\u3001\u77e5\u8b58\u304c\u5b9a\u7740\u3057\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n<h3>\u8d77\u52d5\u78ba\u8a8d \uff06 \u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u4e00\u89a7\u3092\u8868\u793a\u3059\u308b<\/h3>\n<p>\u307e\u305a\u30af\u30e9\u30b9\u30bf\u306e\u72b6\u614b\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/p>\n<pre><code>$ pg_ctl status<\/code><\/pre>\n<p>\u3053\u3053\u3067\u306f\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u3092\u6307\u5b9a\u3057\u3066\u3044\u306a\u3044\u306e\u3067\u74b0\u5883\u5909\u6570$PGDATA\u304c\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<br \/>\n\uff1d\u6700\u521d\u306b\u4f5c\u6210\u3057\u305f\u30af\u30e9\u30b9\u30bf\u306e\u72b6\u614b\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>\u51fa\u529b\u4f8b\uff1a<\/p>\n<pre><code>pg_ctl: server is running (PID: 123)\n\/usr\/lib\/postgresql\/16\/bin\/postgres \"-D\" \"\/var\/lib\/postgresql\/data\"<\/code><\/pre>\n<p>\u30ed\u30b0\u30a4\u30f3\u3092\u3057\u3066\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u4e00\u89a7\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/p>\n<pre><code>$ psql -U postgres\n# \\l<\/code><\/pre>\n<p>\u51fa\u529b\u4f8b\uff1a<\/p>\n<pre><code>                                   List of databases\n   Name    |  Owner   | Encoding |  Collate   |   Ctype    |   Access privileges\n-----------+----------+----------+------------+------------+-----------------------\n postgres  | postgres | UTF8     | en_US.utf8 | en_US.utf8 |\n template0 | postgres | UTF8     | en_US.utf8 | en_US.utf8 | =c\/postgres          +\n           |          |          |            |            | postgres=CTc\/postgres\n template1 | postgres | UTF8     | en_US.utf8 | en_US.utf8 | =c\/postgres          +\n           |          |          |            |            | postgres=CTc\/postgres\n(3 rows)<\/code><\/pre>\n<p>\u6700\u521d\u304b\u30893\u3064\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\uff08postgres\u3001template0\u3001template1\uff09\u7528\u610f\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002<br \/>\n\u3053\u306e\uff13\u3064\u306e\u5b58\u5728\u306f\u5fc5\u305a\u899a\u3048\u3066\u304a\u304f\u3079\u304d\u983b\u51fa\u30dd\u30a4\u30f3\u30c8\u3067\u3001\u7279\u306b<strong> template0 \/ template1 <\/strong>\u306e\u5f79\u5272\u306f\u3088\u304f\u554f\u308f\u308c\u307e\u3059\u3002<\/p>\n<p>\u307e\u305f\u3001<strong>\\l<\/strong>\u306a\u3069\u306e\u30e1\u30bf\u30b3\u30de\u30f3\u30c9\u306f\u8a66\u9a13\u3067\u3088\u304f\u51fa\u984c\u3055\u308c\u307e\u3059\u3002\u5b9f\u969b\u306b\u30b3\u30de\u30f3\u30c9\u3092\u53e9\u3044\u3066\u78ba\u8a8d\u3057\u3066\u304a\u304f\u3068\u5b89\u5fc3\u3067\u3059\u3002<\/p>\n<h3>information_schema\u3084pg_catalog\u306e\u5b58\u5728\u3092\u78ba\u8a8d<\/h3>\n<p>\u30b9\u30ad\u30fc\u30de\u4e00\u89a7\u306e\u8868\u793a<\/p>\n<pre><code># \\dn<\/code><\/pre>\n<p>\u51fa\u529b\u4f8b\uff1a<\/p>\n<pre><code>      List of schemas\n      Name        |  Owner\n------------------+----------\n information_schema | postgres\n pg_catalog         | postgres\n public             | postgres\n(3 rows)<\/code><\/pre>\n<p>\u3053\u3053\u3067\u51fa\u3066\u304f\u308b <strong>information_schema<\/strong> \u3068 <strong>pg_catalog<\/strong> \u306f\u3001\u305d\u308c\u305e\u308c\u60c5\u5831\u30b9\u30ad\u30fc\u30de\u3068\u30b7\u30b9\u30c6\u30e0\u30ab\u30bf\u30ed\u30b0\u3068\u3057\u3066\u5f79\u5272\u3092\u6301\u3063\u3066\u304a\u308a\u3001\u983b\u51fa\u5206\u91ce\u3067\u3059\u3002<br \/>\n\u300c\u3069\u306e\u3088\u3046\u306b\u53c2\u7167\u3067\u304d\u308b\u304b\u300d\u3092\u554f\u308f\u308c\u308b\u3053\u3068\u3082\u3042\u308b\u306e\u3067\u3001<code>SELECT * FROM information_schema.tables;<\/code> \u306a\u3069\u3092\u8a66\u3057\u3066\u5b9f\u969b\u306b\u30c7\u30fc\u30bf\u3092\u898b\u3066\u304a\u304f\u3068\u7406\u89e3\u304c\u6df1\u307e\u308a\u307e\u3059\u3002<\/p>\n<h3>\u30ed\u30fc\u30eb\u3092\u4f5c\u6210\u3057\u3066\u307f\u308b<\/h3>\n<p>\u30e6\u30fc\u30b6\u30fc\u3084\u6a29\u9650\u306b\u3064\u3044\u3066\u3082\u624b\u3092\u52d5\u304b\u3057\u3066\u307f\u307e\u3059\u3002<\/p>\n<pre><code># CREATE ROLE user1 LOGIN PASSWORD 'pass123';\n# GRANT CONNECT ON DATABASE postgres TO user1;<\/code><\/pre>\n<p>\u30ed\u30fc\u30eb\u306e\u4f5c\u6210\u3084\u6a29\u9650\u5909\u66f4\u3082 \u8a66\u9a13\u3067\u3088\u304f\u51fa\u984c\u3055\u308c\u308b\u30c6\u30fc\u30de \u3067\u3059\u3002<br \/>\n\u3053\u3053\u307e\u3067\u5b9f\u969b\u306b\u64cd\u4f5c\u3057\u3066\u307f\u308b\u3068\u3001\u5358\u306a\u308b\u6697\u8a18\u3088\u308a\u3082\u8a18\u61b6\u306b\u6b8b\u308a\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n<h3>\u307e\u3068\u3081<\/h3>\n<p>\u5b9f\u969b\u306b\u624b\u3092\u52d5\u304b\u3057\u306a\u304c\u3089\u5b66\u3093\u3060\u3053\u3068\u3067\u3001\u305f\u3060\u554f\u984c\u3092\u89e3\u304f\u3060\u3051\u3088\u308a\u3082\u7406\u89e3\u304c\u6df1\u307e\u308a\u307e\u3057\u305f\u3002<br \/>\n\u305d\u306e\u5f8c\u306f\u554f\u984c\u96c6\u3092\u89e3\u3044\u3066\u77e5\u8b58\u3092\u6574\u7406\u3057\u3001\u3060\u3044\u305f\u30442\u301c3\u9031\u9593\u306e\u52c9\u5f37\u3067\u5408\u683c\u3067\u304d\u307e\u3057\u305f\u3002<\/p>\n<p>OSS-DB Silver\u306e\u8a66\u9a13\u306fSQL\u6587\u306b\u3064\u3044\u3066\u306e\u554f\u984c\u3082\u591a\u304f\u51fa\u984c\u3055\u308c\u307e\u3059\u3002<br \/>\n\u3061\u3087\u3046\u3069\u5b9f\u52d9\u3067\u30af\u30a8\u30ea\u6539\u5584\u3084\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3001ANALYZE\u306a\u3069\u3092\u8abf\u3079\u3066\u3044\u305f\u306e\u3067\u5f79\u7acb\u3064\u90e8\u5206\u304c\u591a\u304b\u3063\u305f\u3068\u611f\u3058\u307e\u3059\u3002<\/p>\n<p>\u3053\u308c\u304b\u3089PostgreSQL\u3092\u5b66\u3073\u305f\u3044\u65b9\u3084\u3001OSS-DB Silver\u306b\u6311\u6226\u3057\u3088\u3046\u3068\u601d\u3063\u3066\u3044\u308b\u65b9\u306b\u3001\u5c11\u3057\u3067\u3082\u53c2\u8003\u306b\u306a\u308c\u3070\u3046\u308c\u3057\u3044\u3067\u3059\uff01<\/p>\n<h2><\/h2>\n<p>\u6700\u5f8c\u307e\u3067\u95b2\u89a7\u3044\u305f\u3060\u304d\u3042\u308a\u304c\u3068\u3046\u3054\u3056\u3044\u307e\u3059\u3002<br \/>\n\u30a8\u30b3\u30e2\u30c3\u30c8\u3067\u306f\u4e00\u7dd2\u306b\u30e2\u30ce\u3065\u304f\u308a\u3092\u3057\u3066\u3044\u304f\u4ef2\u9593\u3092\u968f\u6642\u52df\u96c6\u3057\u3066\u3044\u307e\u3059\u3002<br \/>\n\u5f0a\u793e\u306b\u5c11\u3057\u3067\u3082\u8208\u5473\u304c\u3042\u308b\u65b9\u306f\u305c\u3072\u4e0b\u8a18\u306e\u63a1\u7528\u30da\u30fc\u30b8\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\uff01<\/p>\n<div style=\"width: 100%; display: flex; justify-content: space-around; flex-wrap: wrap;\">\n<div style=\"display: block; width: 60%; border: solid 1px #1ABB9A; text-align: center;\"><a style=\"display: block; padding: 16px;\" href=\"https:\/\/www.ecomott.co.jp\/recruit\/\" target=\"_blank\" rel=\"noopener\">\u52df\u96c6\u8981\u9805\uff08\u5f53\u793eHP\uff09<\/a><\/div>\n<div style=\"display: block; width: 60%; border: solid 1px #1ABB9A; text-align: center; margin: 30px 0;\"><a style=\"display: block; padding: 16px;\" href=\"https:\/\/www.wantedly.com\/companies\/ecomott2\/projects\" target=\"_blank\" rel=\"noopener\">Wantedly<\/a><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u5148\u65e5\u3001OSS-DB Exam Silver\u8a66\u9a13\u3092\u53d7\u3051\u3066\u304d\u307e\u3057\u305f\u3002 \u3053\u306e\u8a66\u9a13\u306fPostgreSQL\u306b\u95a2\u3059\u308b\u77e5\u8b58\u3092\u554f\u3046\u8a66\u9a13\u3067\u3001\u51fa\u984c\u5185\u5bb9\u306f\u30aa\u30fc\u30d7\u30f3\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3084SQL\u30b3\u30de\u30f3\u30c9\u306b\u95a2\u3059\u308b\u77e5\u8b58\u304c\u534a\u5206\u3068\u3001\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u65b9\u6cd5\u3001\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb [&hellip;]<\/p>\n","protected":false},"author":126,"featured_media":19474,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[27],"tags":[355,354,347],"_links":{"self":[{"href":"https:\/\/www.ecomottblog.com\/index.php?rest_route=\/wp\/v2\/posts\/19375"}],"collection":[{"href":"https:\/\/www.ecomottblog.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ecomottblog.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ecomottblog.com\/index.php?rest_route=\/wp\/v2\/users\/126"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ecomottblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=19375"}],"version-history":[{"count":9,"href":"https:\/\/www.ecomottblog.com\/index.php?rest_route=\/wp\/v2\/posts\/19375\/revisions"}],"predecessor-version":[{"id":20886,"href":"https:\/\/www.ecomottblog.com\/index.php?rest_route=\/wp\/v2\/posts\/19375\/revisions\/20886"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.ecomottblog.com\/index.php?rest_route=\/wp\/v2\/media\/19474"}],"wp:attachment":[{"href":"https:\/\/www.ecomottblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=19375"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ecomottblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=19375"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ecomottblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=19375"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}