{"id":724,"date":"2017-01-02T19:50:40","date_gmt":"2017-01-02T10:50:40","guid":{"rendered":"http:\/\/sarang.inmu.net\/?p=724"},"modified":"2017-01-02T19:53:16","modified_gmt":"2017-01-02T10:53:16","slug":"%ec%a7%80%ea%b8%88-%ec%9d%b4-%ec%88%9c%ea%b0%84%ec%9c%bc%eb%a1%9c%eb%b6%80%ed%84%b0-%eb%94%b1-%ec%9d%bc%ec%a3%bc%ec%9d%bc-%ec%a0%84%ec%9d%84-mysql%ec%97%90%ec%84%9c-%ed%91%9c%ed%98%84%ed%95%b4","status":"publish","type":"post","link":"https:\/\/sarang.inmu.net\/?p=724","title":{"rendered":"\uc9c0\uae08 \uc774 \uc21c\uac04\uc73c\ub85c\ubd80\ud130 \ub531 \uc77c\uc8fc\uc77c \uc804\uc744 mysql\uc5d0\uc11c \ud45c\ud604\ud574\ubcf4\uc790\uc790"},"content":{"rendered":"<p>\uc5f0\uc0b0\uc774 \uc790\uafb8 \ud5f7\uae54\ub9b0\ub2e4. &lt; \uc778\uac00? \uc544\ub2c8\uba74 &gt; \uc778\uac00<\/p>\n<p>#SELECT count(*) from myTable WHERE <strong>reg_date &lt; (unix_timestamp() &#8211; (86400 * 7))<\/strong>;<\/p>\n<p>\uc704\uc5d0\uc11c \uc911\uc694\ud55c \uac83\uc740 where \uc774\ud558 \ubcfc\ub4dc\uccb4\uc774\ub2e4.<\/p>\n<p>reg_date\ub294 php\uc5d0\uc11c time()\ud568\uc218\ub098 mysql\uc5d0\uc11c unix_timestamp() \ud568\uc218\ub85c \uc800\uc7a5\ud55c \uac12\ub4e4\uc774\ub2e4.<\/p>\n<p>\uc704\uc758 \uc5f0\uc0b0\uc740 \uc9c0\uae08\uc73c\ub85c \ubd80\ud130 1\uc8fc\uc77c \uc774\uc804\uc5d0 \uc785\ub825\ub41c row \uac2f\uc218\ub97c \uc54c\ub824 \uc900\ub2e4.<\/p>\n<p>\uc55e\uc758 select\ub97c delete\ub85c \ubc14\uafb8\uba74 \uc9c0\uae08\uc73c\ub85c\ubd80\ud130 1\uc8fc\uc77c\uce58\ub9cc \ub0a8\uaca8 \ub193\uace0 \uadf8 \uc774\uc804 \uac83\ub4e4\uc740 \ud14c\uc774\ube14\uc5d0\uc11c \ubaa8\ub450 \uc0ac\ub77c\uc9c4\ub2e4.<\/p>\n<p>\ud0c0\uc784\uc2a4\ud15c\ud504\ub85c \uc800\uc7a5\ub41c \ud50c\ub86f \uac12\ub4e4\uc744 \ub2e4\ub8e8\uae30 \uc704\ud574\uc11c \ud5f7\uac08\ub9b0 \ubd80\ubd84\uc744 \uc870\uae08\uc529 \uc815\ub9ac\ud574\ubcf4\uc790<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\uc5f0\uc0b0\uc774 \uc790\uafb8 \ud5f7\uae54\ub9b0\ub2e4. &lt; \uc778\uac00? \uc544\ub2c8\uba74 &gt; \uc778\uac00 #SELECT count(*) from myTable WHERE reg_date &lt; (unix_timestamp() &#8211; (86400 * 7)); \uc704\uc5d0\uc11c \uc911\uc694\ud55c \uac83\uc740 where \uc774\ud558 \ubcfc\ub4dc\uccb4\uc774\ub2e4. reg_date\ub294 php\uc5d0\uc11c time()\ud568\uc218\ub098 mysql\uc5d0\uc11c unix_timestamp() \ud568\uc218\ub85c \uc800\uc7a5\ud55c \uac12\ub4e4\uc774\ub2e4. \uc704\uc758 \uc5f0\uc0b0\uc740 \uc9c0\uae08\uc73c\ub85c \ubd80\ud130 1\uc8fc\uc77c \uc774\uc804\uc5d0 \uc785\ub825\ub41c row \uac2f\uc218\ub97c \uc54c\ub824 \uc900\ub2e4. \uc55e\uc758 select\ub97c delete\ub85c \ubc14\uafb8\uba74 \uc9c0\uae08\uc73c\ub85c\ubd80\ud130 1\uc8fc\uc77c\uce58\ub9cc \ub0a8\uaca8 \ub193\uace0 \uadf8 \uc774\uc804 &hellip; <a href=\"https:\/\/sarang.inmu.net\/?p=724\" class=\"more-link\">\ub354 \ubcf4\uae30<span class=\"screen-reader-text\"> &#8220;\uc9c0\uae08 \uc774 \uc21c\uac04\uc73c\ub85c\ubd80\ud130 \ub531 \uc77c\uc8fc\uc77c \uc804\uc744 mysql\uc5d0\uc11c \ud45c\ud604\ud574\ubcf4\uc790\uc790&#8221;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":true,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[5],"tags":[34,44,75],"class_list":["post-724","post","type-post","status-publish","format-standard","hentry","category-5","tag-mysql","tag-php","tag-timestamp"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack-related-posts":[{"id":1185,"url":"https:\/\/sarang.inmu.net\/?p=1185","url_meta":{"origin":724,"position":0},"title":"mysql timestamp","author":"sarang","date":"2019\ub144 07\uc6d4 02\uc77c","format":false,"excerpt":"mysql\uc5d0\uc11c reg_date \uac12\uc744 timestamp \ub85c \uc0ac\uc6a9\ud558\uae30 \uc704\ud55c \uac04\ub2e8 \uc124\uba85","rel":"","context":"&quot;\ucef4\ud4e8\ud130&quot;\uc5d0\uc11c","block_context":{"text":"\ucef4\ud4e8\ud130","link":"https:\/\/sarang.inmu.net\/?cat=5"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":1329,"url":"https:\/\/sarang.inmu.net\/?p=1329","url_meta":{"origin":724,"position":1},"title":"mysql database \ud14c\uc774\ube14\uc744 \ubaa8\uc870\ub9ac \ud55c \ubc88\uc5d0 \uc0ad\uc81c","author":"sarang","date":"2020\ub144 04\uc6d4 21\uc77c","format":false,"excerpt":"mysql\uc774\ub098 mariadb\ub97c \uc0ac\uc6a9\ud558\ub2e4\uac00 DB\ub294 \ub0a8\uaca8 \ub450\uace0 \uc548\uc5d0 \uc788\ub294 \ud14c\uc774\ube14\ub9cc \uc0ad\uc81c\ud574\uc57c \ub420 \ub54c\uac00 \uc788\ub2e4. \ud14c\uc774\ube14\uc774 \uba87 \uac1c \uc548\ub418\uba74 drop table '\ud14c\uc774\ube14\uc774\ub984'; 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