{"id":1117,"date":"2016-01-02T16:21:18","date_gmt":"2016-01-02T16:21:18","guid":{"rendered":"http:\/\/haisins.epac.to\/wordpress\/?p=1117"},"modified":"2016-01-02T16:21:18","modified_gmt":"2016-01-02T16:21:18","slug":"background-process","status":"publish","type":"post","link":"https:\/\/haisins.synology.me\/wordpress\/?p=1117","title":{"rendered":"Background Process"},"content":{"rendered":"<ul>\n<li><span style=\"color:black\">Oracle\uc740 \uac01 \uc778\uc2a4\ud134\uc2a4\uc5d0 \ub300\ud574 \uc77c\ub828\uc758 \ubc31\uadf8\ub77c\uc6b4\ub4dc \ud504\ub85c\uc138\uc2a4\ub97c \uc0dd\uc131\ud569\ub2c8\ub2e4. \uc774 \ud504\ub85c\uc138\uc2a4\ub4e4\uc740 \uc5ec\ub7ec Oracle \ud504\ub85c\uadf8\ub7a8\uc774 \uc2e4\ud589\ud574\uc57c \ud558\ub294 \uae30\ub2a5\uc744 \ud1b5\ud569\ud569\ub2c8\ub2e4. \uae30\ub2a5\uc744 \ud1b5\ud569\ud558\uc9c0 \uc54a\ub294 \ub2e4\uba74 \uac01 \uc0ac\uc6a9\uc790 \ud504\ub85c\uc138\uc2a4\ub9c8\ub2e4 \uc5ec\ub7ec \uac1c\uc758 Oracle \ud504\ub85c\uadf8\ub7a8\uc744 \uc2e4\ud589\ud574\uc57c \ud569\ub2c8\ub2e4. \ubcf4\ub2e4 \ub098\uc740 \uc131\ub2a5\uacfc \uc2e0\ub8b0\uc131\uc744 \uc704\ud574 \ubc31\uadf8\ub77c\uc6b4\ub4dc \ud504\ub85c\uc138\uc2a4\ub294 \ube44\ub3d9\uae30\uc801\uc73c\ub85c I\/O\ub97c \uc218\ud589\ud558\uace0 \ub2e4\ub978 Oracle \ud504\ub85c\uc138\uc2a4\ub97c \ubaa8\ub2c8\ud130\ud558\uc5ec \ud5a5\uc0c1\ub41c \ubcd1\ub82c \uae30\ubc95\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<br \/>\n<\/span><\/li>\n<li>\n<div><span style=\"color:black\">SGA\uc640 Oracle \ubc31\uadf8\ub77c\uc6b4\ub4dc \ud504\ub85c\uc138\uc2a4\ub294 Oracle \uc778\uc2a4\ud134\uc2a4\ub97c \uad6c\uc131\ud569\ub2c8\ub2e4. Oracle \uc778\uc2a4\ud134\uc2a4\ub294 \ub2e4\uc74c\uacfc \uac19\uc740 \ud504\ub85c\uc138\uc2a4\ub4e4\uc744 \ud3ec\ud568\ud569\ub2c8\ub2e4.<br \/>\n<\/span><\/div>\n<ul style=\"margin-left: 54pt\">\n<li><span style=\"color:black\">Database Writer Process (DBWn)<\/span>\n\t\t\t\t<\/li>\n<li><span style=\"color:black\">Log Writer Process (LGWR)<\/span>\n\t\t\t\t<\/li>\n<li><span style=\"color:black\">Checkpoint Process (CKPT)<\/span>\n\t\t\t\t<\/li>\n<li><span style=\"color:black\">System Monitor Process (SMON)<\/span>\n\t\t\t\t<\/li>\n<li><span style=\"color:black\">Process Monitor Process (PMON)<\/span>\n\t\t\t\t<\/li>\n<li><span style=\"color:black\">Recoverer Process (RECO)<\/span>\n\t\t\t\t<\/li>\n<li><span style=\"color:black\">Job Queue Processes<\/span>\n\t\t\t\t<\/li>\n<li><span style=\"color:black\">Archiver Processes (ARCn)<\/span>\n\t\t\t\t<\/li>\n<li>\n<div><span style=\"color:black\">Queue Monitor Processes (QMNn)<\/span>\n\t\t\t\t\t<\/div>\n<p><img src=\"https:\/\/i0.wp.com\/oracledba.zapto.org\/wordpress\/wp-content\/uploads\/1\/cfile28.uf.2413F6435687F8FC18372D.png?w=640\" data-recalc-dims=\"1\" \/>\n\t\t\t\t\t<\/p>\n<p>&nbsp;<br \/>\n&nbsp;<\/p>\n<\/li>\n<\/ul>\n<p><span style=\"color:black; font-family:HY\ud5e4\ub4dc\ub77c\uc778M; font-size:14pt\">\ub370\uc774\ud130\ubca0\uc774\uc2a4 \uae30\ub85d\uc790(DBWn)<br \/>\n<\/span><\/p>\n<\/li>\n<li><span style=\"color:black\">DBWR \ub294 \ub370\uc774\ud130\ubca0\uc774\uc2a4 \ubc84\ud37c \uce90\uc26c\ub85c \ubd80\ud130 \ub370\uc774\ud130 \ud30c\uc77c\ub85c \uc218\uc815\ub41c \ube14\ub7ed\ub97c \uc501\ub2c8\ub2e4.<br \/>\n<\/span><\/li>\n<li><span style=\"color:black\">Oracle\uc758 \ub85c\uae45\ubc29\ubc95 \ub54c\ubb38\uc5d0 \ud2b8\ub79c\uc7ad\uc158\uc774 \uc644\ub8cc\ub418\uc5c8\uc744 \ub54c \ube14\ub7ed\ub4e4\uc744 \ub514\uc2a4\ud06c\uc5d0 \uc4f8 \ud544\uc694\uac00 \uc5c6\ub3c4\ub85d DBWR\uc758 \uc218\ud589 \ubc29\ubc95\uc740 \ucd5c\uc801\ud654 \ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4.<br \/>\n<\/span><\/li>\n<li><span style=\"color:black\">\ubcf4\ud1b5 \ub370\uc774\ud130\ubca0\uc774\uc2a4 \ubc84\ud37c\uc758 \ube48\uacf5\uac04\uc774 \uac70\uc758 \uc5c6\ub294 \uc0c1\ud0dc\uc5d0\uc11c SGA \ub85c \ub370\uc774\ud130\ub97c \uc77d\uc5b4 \ub4e4\uc77c \ud544\uc694\uac00 \uc788\uc744 \ub54c \uba54\ubaa8\ub9ac \uacf5\uac04\uc744 \ud655\ubcf4\ud558\uae30 \uc704\ud574\uc11c \uc218\uc815\ub41c \ube14\ub7ed\uc5d0 \ub300\ud55c \ub514\uc2a4\ud06c \uc4f0\uae30\uac00 \ud589\ud574\uc9d1\ub2c8\ub2e4. \ucd5c\uadfc\uc5d0 \uc0ac\uc6a9\ub418\uc9c0 \uc54a\uc740 \ub370\uc774\ud130 \ube14\ub7ed\ubd80\ud130 \ub514\uc2a4\ud06c\uc5d0 \uc4f0\uc5ec\uc9c0\ub294 LRU \uc54c\uace0\ub9ac\uc998\uc744 \uc0ac\uc6a9\ud569\ub2c8\ub2e4.<br \/>\n<\/span><\/li>\n<li>\n<div><span style=\"color:black\">\ub300\ubd80\ubd84\uc758 \uc2dc\uc2a4\ud15c\uc5d0\uc11c\ub294 \ud558\ub098\uc758 DBWR\ub9cc\uc73c\ub85c \ucda9\ubd84\ud558\uc9c0\ub9cc, \ubcc0\uacbd\uc791\uc5c5\uc774 \ud65c\ubc1c\ud55c \uacbd\uc6b0 \uc774\uc5d0 \ub300\ud55c \uc131\ub2a5\uc744 \uadf9\ub300\ud654 \ud558\uae30\uc704\ud574 \uc5ec\ub7ec\uac1c\uc758 DBWR\uc744 \uc9c0\uc815\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub2e8, \ud558\ub098\uc758 \ud504\ub85c\uc138\uc11c\uac00 \uc7a5\ucc29\ub41c \uc2dc\uc2a4\ud15c\uc5d0\uc11c\ub294 \uc774\ub7f0 \ubc29\ubc95\uc774 \uc720\uc6a9\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<br \/>\n<\/span><\/div>\n<p>&nbsp;<br \/>\n&nbsp;<\/p>\n<p><span style=\"color:black; font-family:HY\ud5e4\ub4dc\ub77c\uc778M; font-size:14pt\">\ub85c\uadf8 \uae30\ub85d\uc790(LGWR)<br \/>\n<\/span><\/p>\n<\/li>\n<li><span style=\"color:black\">LGWR \uc740 \ub9ac\ub450 \ub85c\uadf8 \ud56d\ubaa9\ub4e4\uc744 \ub514\uc2a4\ud06c\uc5d0 \uc501\ub2c8\ub2e4.<br \/>\n<\/span><\/li>\n<li>\n<div><span style=\"color:black\">\ub9ac\ub450 \ub85c\uadf8 \ub370\uc774\ud130\ub294 SGA \uc758 \ub9ac\ub450 \ub85c\uadf8 \ubc84\ud37c\uc5d0 \uc0dd\uaca8\ub098\uba70, \ud2b8\ub79c\uc7ad\uc158\uc774 \uc644\ub8cc\ub418\uc5c8\uc744 \ub54c LGWR\uac00 \ub9ac\ub450 \ub85c\uadf8 \ubc84\ud37c\uc758 \ub0b4\uc6a9\uc744 \uc628\ub77c\uc778 \ub9ac\ub450 \ub85c\uadf8 \ud30c\uc77c\uc5d0 \uc501\ub2c8\ub2e4.<br \/>\n<\/span><\/div>\n<p>&nbsp;<br \/>\n&nbsp;<\/p>\n<p><span style=\"color:black; font-family:HY\ud5e4\ub4dc\ub77c\uc778M; font-size:14pt\">\uccb4\ud06c\ud3ec\uc778\ud2b8(CKPT)<br \/>\n<\/span><\/p>\n<\/li>\n<li><span style=\"color:black\">\uc77c\uc815 \uac04\uaca9\uc73c\ub85c SGA \uc758 \ubaa8\ub4e0 \uc218\uc815\ub41c \ub370\uc774\ud130\ubca0\uc774\uc2a4 \ubc84\ud37c\ub294 DBWR \uc5d0 \uc758\ud574 \ub370\uc774\ud130 \ud30c\uc77c\uc5d0 \uc4f0\uc5ec\uc9c0\ub294\ub370 \uc774\uac83\uc744 Checkpoint\ub77c \ud569\ub2c8\ub2e4.<br \/>\n<\/span><\/li>\n<li>\n<div><span style=\"color:black\">\uc774 \ud504\ub85c\uc138\uc2a4\ub294 checkpoint \uc2e4\uc2dc \uc2dc\uc810\uc5d0\uc11c DBWR \uc5d0 \uc2e0\ud638\ub97c \ubcf4\ub0b4\uace0 \ub370\uc774\ud130\ubca0\uc774\uc2a4\uc758 \ubaa8\ub4e0 \ub370\uc774\ud130 \ud30c\uc77c\uacfc \ucf58\ud2b8\ub864 \ud30c\uc77c\uc744 \uc218\uc815\ud558\uc5ec \ucd5c\uadfc\uc758 checkpoint\ub97c \uae30\ub85d\ud569\ub2c8\ub2e4.<br \/>\n<\/span><\/div>\n<p>&nbsp;<br \/>\n&nbsp;<\/p>\n<p><span style=\"color:black; font-family:HY\ud5e4\ub4dc\ub77c\uc778M; font-size:14pt\">\uc2dc\uc2a4\ud15c \ubaa8\ub2c8\ud130(SMON)<br \/>\n<\/span><\/p>\n<\/li>\n<li>\n<div><span style=\"color:black\">SMON \uc740 \uc778\uc2a4\ud134\uc2a4 \uc2dc\uc791\uc2dc\uc640 \ub2e4\uc911 \uc778\uc2a4\ud134\uc2a4 \uc2dc\uc2a4\ud15c\uc5d0\uc11c \uc7a5\uc560\uac00 \ubc1c\uc0dd\ud55c \uc778\uc2a4\ud134\uc2a4 \ubcf5\uad6c\uc2dc\uc5d0 \uc2e4\ud589\ub429\ub2c8\ub2e4.<br \/>\n<\/span><\/div>\n<p><span style=\"color:black\">\ub610, SMON \uc740 \ub354 \uc774\uc0c1 \uc0ac\uc6a9\ub418\uc9c0 \uc54a\ub294 \uc138\uadf8\uba3c\ud2b8\ub97c \uc815\ub9ac\ud558\uace0 \ud30c\uc77c \uc77d\uae30 \ubc0f \uc624\ud504\ub77c\uc778 \uc5d0\ub7ec\uc5d0 \uc758\ud574 \uc0dd\uae30\ub294 \uc778\uc2a4\ud134\uc2a4\uc758 \ubcf5\uad6c\uc2dc\uc5d0 \uc644\ub8cc\ub418\uc9c0 \ubabb\ud558\uace0 \uc0ac\uc7a5\ub41c \ud2b8\ub79c\uc7ad\uc158 \ub4e4\uc744 \ubcf5\uad6c\ud569\ub2c8\ub2e4.<span style=\"font-family:\uad74\ub9bc; font-size:12pt\"><br \/>\n\t\t\t\t\t<\/span><\/span><\/p>\n<p>&nbsp;<br \/>\n&nbsp;<\/p>\n<p><span style=\"color:black; font-family:HY\ud5e4\ub4dc\ub77c\uc778M; font-size:14pt\">\ud504\ub85c\uc138\uc2a4 \ubaa8\ub2c8\ud130(PMON)<br \/>\n<\/span><\/p>\n<\/li>\n<li><span style=\"color:black\">PMON \uc740 \uc0ac\uc6a9\uc790 \ud504\ub85c\uc138\uc2a4\uac00 \uc2e4\ud328 \ud588\uc744 \ub54c \ud504\ub85c\uc138\uc2a4 \ubcf5\uad6c\ub97c \uc218\ud589\ud569\ub2c8\ub2e4.<br \/>\n<\/span><\/li>\n<li>\n<div><span style=\"color:black\">PMON \uc740 \uc2e4\ud328\ud55c \uc0ac\uc6a9\uc790 \ud504\ub85c\uc138\uc2a4\uac00 \uc810\uc720\ud558\uace0 \uc788\ub358 \uc790\uc6d0\uc744 \ubc18\ub0a9\ud558\uace0 \uce90\uc26c\ub97c \uc815\ub9ac\ud569\ub2c8\ub2e4.<br \/>\n<\/span><\/div>\n<p>&nbsp;<br \/>\n&nbsp;<\/p>\n<p><span style=\"color:black; font-family:HY\ud5e4\ub4dc\ub77c\uc778M; font-size:14pt\">\ubcf5\uad6c\uc790(RECO)<br \/>\n<\/span><\/p>\n<\/li>\n<li><span style=\"color:black\">RECO\ub294 \ubd84\uc0b0 \ub370\uc774\ud130\ubca0\uc774\uc2a4\uc5d0\uc11c \ub124\ud2b8\uc6cc\ud06c \ub610\ub294 \uc2dc\uc2a4\ud15c \uc7a5\uc560\ub85c \ubbf8\uacb0\uc815 (Pending)\ub41c \ubd84\uc0b0 \ud2b8\ub79c\uc7ad\uc158\uc744 \ucc98\ub9ac\ud558\uae30 \uc704\ud574 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<br \/>\n<\/span><\/li>\n<li>\n<div><span style=\"color:black\">\ub85c\uceec RECO \ub294 \uc815\ud574\uc9c4 \uc2dc\uac04\ub9c8\ub2e4 \ub9ac\ubaa8\ud2b8 \ub370\uc774\ud130\ubca0\uc774\uc2a4\uc5d0 \uc5f0\uacb0\uc744 \uc2dc\ub3c4\ud574 \ubcf4\uace0, \uc790\ub3d9\uc73c\ub85c \ub85c\uceec\ub0b4\uc758 \ubbf8\uacb0\uc815\ub41c \ud2b8\ub79c\uc7ad\uc158\uc744 \ucee4\ubc0b \ud558\uac70\ub098 \ub864\ubc31 \uc2dc\ud0b5\ub2c8\ub2e4.<br \/>\n<\/span><\/div>\n<p>&nbsp;<br \/>\n&nbsp;<\/p>\n<p><span style=\"color:black; font-family:HY\ud5e4\ub4dc\ub77c\uc778M; font-size:14pt\">\uc791\uc5c5 \ud050(CJQn)<br \/>\n<\/span><\/p>\n<\/li>\n<li><span style=\"color:black\">\uc791\uc5c5\ud050 \ud504\ub85c\uc138\uc2a4\ub294 \uc77c\ubc18\uc801\uc73c\ub85c batch \uc791\uc5c5\uc5d0\uc11c \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \uc774 \ud504\ub85c\uc138\uc2a4\ub294 \uc0ac\uc6a9\uc790 \uc791\uc5c5(job)\uc744 \uc218\ud589\ud569\ub2c8\ub2e4.<br \/>\n<\/span><\/li>\n<li><span style=\"color:black\">\uc0ac\uc6a9\uc790 \uc791\uc5c5\uc758 \uc2dc\uc791\uc2dc\uc810\uacfc \uc218\ud589\uac04\uaca9 \uc815\ubcf4\uc5d0 \ub530\ub77c\uc11c \ud544\uc694\uc2dc \uae30\ub3d9\ub418\uac8c \ub429\ub2c8\ub2e4.<br \/>\n<\/span><\/li>\n<li><span style=\"color:black\">\uc0c8\ub85c\uc6b4 \ud504\ub85c\uc138\uc2a4\uc5d0 \uc758\ud574 \uc0ac\uc6a9\ub41c \ub9ac\uc18c\uc2a4\ub294 \uc791\uc5c5\uc774 idle \uc0c1\ud0dc\ub85c \uc804\uc774\ub420 \ub54c \ud568\uaed8 \ubc18\ub0a9\ub429\ub2c8\ub2e4.<br \/>\n<\/span><\/li>\n<li>\n<div><span style=\"color:black\">\ucd08\uae30\ud654 \ud30c\ub77c\uba54\ud130 JOB_QUEUE_PROCESSES\ub294 \uc774 \ud504\ub85c\uc138\uc2a4\uc758 \ucd5c\ub300\uac12\uc744 \uc9c0\uc815\ud569\ub2c8\ub2e4. \uc774 \uac12\uc774 &#8216;0&#8217;\uc77c\ub54c, \uc774 \ud504\ub85c\uc138\uc2a4\ub4e4\uc744 \uad00\uc7a5\ud558\ub294 \uc0c1\uc704 \ud504\ub85c\uc138\uc2a4\ub294 \uae30\ub3d9\ub418\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<br \/>\n<\/span><\/div>\n<p>&nbsp;<br \/>\n&nbsp;<\/p>\n<p><span style=\"color:black; font-family:HY\ud5e4\ub4dc\ub77c\uc778M; font-size:14pt\">\uc544\uce74\uc774\ube0c(ARCn)<br \/>\n<\/span><\/p>\n<\/li>\n<li><span style=\"color:black\">ARCH \ub294 \uc628\ub77c\uc778 \ub9ac\ub450 \ub85c\uadf8 \ud30c\uc77c\uc774 \uaf49 \ucc3c\uc744\ub54c \ub9ac\ub450 \ub85c\uadf8 \ud30c\uc77c\uc774 \uc2a4\uc704\uce58 \ub418\uba74\uc11c \uc0ac\uc6a9\ud55c \ub9ac\ub450 \ub85c\uadf8 \ud30c\uc77c\uc744 \uc544\uce74\uc774\ube0c \uc800\uc7a5\uc18c\ub85c \ubcf5\uc0ac\ud569\ub2c8\ub2e4.<br \/>\n<\/span><\/li>\n<li><span style=\"color:black\">\uc544\uce74\uc774\ube0c \uc800\uc7a5\uc18c\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \ub2e4\ub978 \ub514\uc2a4\ud06c \uc800\uc7a5\uacf5\uac04 \uc774\uac70\ub098 \ud14c\uc774\ud504 \uc7a5\uce58 \uc785\ub2c8\ub2e4.<br \/>\n<\/span><\/li>\n<li>\n<div><span style=\"color:black\">ARCH \ub294 \ub370\uc774\ud130\ubca0\uc774\uc2a4\uc758 \ub9ac\ub450 \ub85c\uadf8\uac00 ARCHIVELOG \ubaa8\ub4dc\uc77c \ub54c \ub9cc \uc218\ud589\ub429\ub2c8\ub2e4.<br \/>\n<\/span><\/div>\n<p>&nbsp;<br \/>\n&nbsp;<\/p>\n<p><span style=\"color:black; font-family:HY\ud5e4\ub4dc\ub77c\uc778M; font-size:14pt\">\ub300\uae30\uc5f4 \ubaa8\ub2c8\ud130(QMNn)<br \/>\n<\/span><\/p>\n<\/li>\n<li>\n<div><span style=\"color:black\">\ub300\uae30\uc5f4 \ubaa8\ub2c8\ud130\ub294 Oracle Advanced Queuing(Oracle AQ)\uc5d0 \ub300\ud55c \uba54\uc2dc\uc9c0 \ub300\uae30\uc5f4\uc744 \ubaa8\ub2c8\ud130\ud558\ub294 \uc120\ud0dd\uc801 \ubc31\uadf8\ub77c\uc6b4\ub4dc \ud504\ub85c\uc138\uc2a4\uc785\ub2c8\ub2e4. \ucd5c\ub300 10\uac1c \uc758 \ub300\uae30\uc5f4 \ubaa8\ub2c8\ud130 \ud504\ub85c\uc138\uc2a4\ub97c \uad6c\uc131\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<br \/>\n<\/span><\/div>\n<p><span style=\"color:black\">&nbsp;<span style=\"font-family:\uad74\ub9bc; font-size:12pt\"><br \/>\n\t\t\t\t\t<\/span><\/span>&nbsp;<\/p>\n<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Oracle\uc740 \uac01 \uc778\uc2a4\ud134\uc2a4\uc5d0 \ub300\ud574 \uc77c\ub828\uc758 \ubc31\uadf8\ub77c\uc6b4\ub4dc \ud504\ub85c\uc138\uc2a4\ub97c \uc0dd\uc131\ud569\ub2c8\ub2e4. \uc774 \ud504\ub85c\uc138\uc2a4\ub4e4\uc740 \uc5ec\ub7ec Oracle \ud504\ub85c\uadf8\ub7a8\uc774 \uc2e4\ud589\ud574\uc57c \ud558\ub294 \uae30\ub2a5\uc744 \ud1b5\ud569\ud569\ub2c8\ub2e4. \uae30\ub2a5\uc744 \ud1b5\ud569\ud558\uc9c0 \uc54a\ub294 \ub2e4\uba74 \uac01 \uc0ac\uc6a9\uc790 \ud504\ub85c\uc138\uc2a4\ub9c8\ub2e4 \uc5ec\ub7ec \uac1c\uc758 Oracle \ud504\ub85c\uadf8\ub7a8\uc744 \uc2e4\ud589\ud574\uc57c \ud569\ub2c8\ub2e4. \ubcf4\ub2e4 \ub098\uc740 \uc131\ub2a5\uacfc \uc2e0\ub8b0\uc131\uc744 \uc704\ud574 \ubc31\uadf8\ub77c\uc6b4\ub4dc \ud504\ub85c\uc138\uc2a4\ub294 \ube44\ub3d9\uae30\uc801\uc73c\ub85c I\/O\ub97c \uc218\ud589\ud558\uace0 \ub2e4\ub978 Oracle \ud504\ub85c\uc138\uc2a4\ub97c \ubaa8\ub2c8\ud130\ud558\uc5ec \ud5a5\uc0c1\ub41c \ubcd1\ub82c \uae30\ubc95\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4. SGA\uc640 Oracle \ubc31\uadf8\ub77c\uc6b4\ub4dc \ud504\ub85c\uc138\uc2a4\ub294 Oracle \uc778\uc2a4\ud134\uc2a4\ub97c \uad6c\uc131\ud569\ub2c8\ub2e4. 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