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kobakekobake
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リテラルとか定数とか諸々
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‎cache/database.html

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@@ -190,7 +190,10 @@
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</li><li class="second"><a href="#table-manipulation-insert">テーブル挿入</a>
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</li><li><a href="#transaction">トランザクション</a>
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</li>
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<li class="parent-li"><a href="#functions">関数等</a>
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</li>
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<li class="second"><a href="#datetime">日時関連</a>
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</li>
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</ul>
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@@ -1417,6 +1420,138 @@ <h2 id="transaction" class="sub-header">トランザクション</h2><div class=
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</tbody>
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</table>
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</div>
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</div>
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<h2 id="functions" class="sub-header">関数等</h2><h3 id="datetime" class="sub-header">日時関連</h3><div class="mode0">
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<!-- <div class="table-responsive"> -->
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<div style="margin-bottom: 16px;">
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<table class="table table-striped">
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<!-- head -->
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<thead>
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<tr>
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<th></th>
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<th>現在日時</th>
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<th>日時→文字列</th>
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<th>文字列→日時</th>
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</tr>
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</thead>
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<!-- body -->
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<tbody>
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<tr class="engine-mysql">
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<th>MySQL</th>
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<td>
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NOW()
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</td>
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<td>
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DATE_FORMAT(col, '%Y/%m/%d %H:%i:%s')
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</td>
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<td>
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STR_TO_DATE(col, '%Y/%m/%d %H:%i:%s')
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</td>
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</tr>
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<tr class="engine-oracle">
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<th>Oracle</th>
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<td>
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SYSDATE
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</td>
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<td>
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TO_CHAR(col, 'YYYY/MM/DD HH24:MI:SS')
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</td>
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<td>
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TO_DATE(col, 'YYYY/MM/DD HH24:MI:SS')
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</td>
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</tr>
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<tr class="engine-postgresql">
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<th>PostgreSQL</th>
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<td>
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NOW()
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</td>
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<td>
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TO_CHAR(col, 'YYYY/MM/DD HH24:MI:SS')
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</td>
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<td>
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TO_DATE(col, 'YYYY/MM/DD HH24:MI:SS')
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</td>
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</tr>
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<tr class="engine-sqlite">
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<th>SQLite</th>
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<td>
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DATETIME('NOW', 'LOCALTIME')
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</td>
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<td>
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STRFTIME('%Y/%m/%d %H:%M:%S', col)
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</td>
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<td>
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DATETIME(col)
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</td>
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</tr>
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</tbody>
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</table>
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</div>
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</div>
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<div class="mode1">
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<!-- <div class="table-responsive"> -->
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<div style="margin-bottom: 16px;">
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<table class="table table-striped">
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<!-- head -->
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<thead>
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<tr>
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<th></th>
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<th class="engine-mysql">MySQL</th>
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<th class="engine-oracle">Oracle</th>
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<th class="engine-postgresql">PostgreSQL</th>
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<th class="engine-sqlite">SQLite</th>
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</tr>
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</thead>
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<!-- body -->
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<tbody>
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<tr>
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<th>現在日時</th>
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<td class="engine-mysql">
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NOW()
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</td>
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<td class="engine-oracle">
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SYSDATE
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</td>
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<td class="engine-postgresql">
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NOW()
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</td>
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<td class="engine-sqlite">
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DATETIME('NOW', 'LOCALTIME')
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</td>
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</tr>
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<tr>
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<th>日時→文字列</th>
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<td class="engine-mysql">
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DATE_FORMAT(col, '%Y/%m/%d %H:%i:%s')
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</td>
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<td class="engine-oracle">
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TO_CHAR(col, 'YYYY/MM/DD HH24:MI:SS')
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</td>
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<td class="engine-postgresql">
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TO_CHAR(col, 'YYYY/MM/DD HH24:MI:SS')
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</td>
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<td class="engine-sqlite">
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STRFTIME('%Y/%m/%d %H:%M:%S', col)
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</td>
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</tr>
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<tr>
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<th>文字列→日時</th>
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<td class="engine-mysql">
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STR_TO_DATE(col, '%Y/%m/%d %H:%i:%s')
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</td>
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<td class="engine-oracle">
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TO_DATE(col, 'YYYY/MM/DD HH24:MI:SS')
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</td>
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<td class="engine-postgresql">
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TO_DATE(col, 'YYYY/MM/DD HH24:MI:SS')
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</td>
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<td class="engine-sqlite">
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DATETIME(col)
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</td>
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</tr>
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</tbody>
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</table>
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</div>
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</div>
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