£Á¡Ý£Ö£Ø¡¡£Ò£Ä£Â¤Î¹½À®
- £±¡¡£Á¡Ý£Ö£Ø¡¡£Ò£Ä£Â¤ÎƳÆþ
-
£Á¡Ý£Ö£Ø¡¡£Ò£Ä£Â¤Ï¡¢£Á¡Ý£Ö£Ø¤Ëɸ½à¤ËºÜ¤Ã¤Æ¤¤¤Þ¤¹¤Î¤Ç¥¤¥ó¥¹¥È¡¼¥ë¤ÏÉÔÍפǤ¹¡£
¤¿¤À¤·»ÈÍѤ¹¤ë¤È¤¤ÏÀßÄ꤬ɬÍפǤ¹¡£¤Þ¤º¥·¥¹¥Æ¥àÀ¸À®¤Ç¡¢¡Ö£Á¡Ý£Ö£Ø¡¡£Ò£Ä£Â¤ò»ÈÍѤ¹¤ë¡×¤è¤¦¤ÊÀßÄê¤ËÊѹ¹¤·¤Þ¤¹¡£¤µ¤é¤Ë£Ó£Ù£Ó¡÷£Ä£Ä£Æ¤ä£Ó£Ù£Ó¡÷£Ä£Â£Ä£É£Ò¤È¤¤¤Ã¤¿¥Õ¥¡¥¤¥ë¤òºîÀ®¤·¤Þ¤¹¡£¤³¤Î½é´üÀßÄê´Ø·¸¤ÎÏäϡ¢£Î£Å£Ã¤Î£Á¡Ý£Ö£Ø¤Î¥Þ¥Ë¥å¥¢¥ë¡¢¥ê¥ì¡¼¥·¥ç¥Ê¥ë·¿¥Ç¡¼¥¿¥Ù¡¼¥¹ÀâÌÀ½ñ¤Ë½ñ¤¤¤Æ¤¢¤ê¤Þ¤¹¡£
- £²¡¡£Á¡Ý£Ö£Ø¡¡£Ò£Ä£Â¤ÎʪÍý¹½Â¤
-
£Á¡Ý£Ö£Ø¡¡£Ò£Ä£Â¤ÎʪÍýŪ¤Ê¹½Â¤¡Ê¼ç¤Ë¥Õ¥¡¥¤¥ë¡Ë¤òÀâÌÀ¤·¤Þ¤¹¡£
¥·¥¹¥Æ¥à¤¬´ÉÍý¤·¤Æ¤¤¤ë¥Õ¥¡¥¤¥ë¡Ê¥·¥¹¥Æ¥à¥Õ¥¡¥¤¥ë¡Ë £Ó£Ù£Ó¡÷£Ã£Á£Ô ¥·¥¹¥Æ¥àÁ´ÂΤΥǡ¼¥¿¥Ù¡¼¥¹¤ä¥Õ¥¡¥¤¥ë¤Î¾ðÊó¤¬Æþ¤Ã¤Æ¤¤¤ë¥·¥¹¥Æ¥àÍѤΥե¡¥¤¥ë¡£¥·¥¹¥Æ¥à¤Ç£±¸Ä¡£ £Ó£Ù£Ó¡÷£Ä£Ä£Æ
£Ó£Ù£Ó¡÷£Ä£Â£Ä£É£Ò¥Ç¡¼¥¿¥Ù¡¼¥¹¤ËÆþ¤Ã¤Æ¤¤¤ëɽ¤Î¾ðÊó¡Êɽ̾¡¢É½¥¢¥¯¥»¥¹¸¢¸Â¤Ê¤É¡Ë¤äɽ¤ò¹½À®¤¹¤ë¹àÌܤξðÊó¡Ê¹àÌÜ̾¤ä¤½¤Î°À¡¢¥¢¥¯¥»¥¹¸¢¸Â¤Ê¤É¡Ë¤¬Æþ¤Ã¤Æ¤¤¤ë¥·¥¹¥Æ¥àÍѤΥե¡¥¤¥ë¡£¥·¥¹¥Æ¥à¤Ç³Æ£±¸Ä¡£Oracle¤ÎÀ©¸æ¥Õ¥¡¥¤¥ë¤äɽÎΰèÆâ¤Î¥Ç¡¼¥¿¥Ç¥£¥¯¥·¥ç¥Ê¥ê¤Î¤è¤¦¤Ê¤â¤Î¡£ £Ó£Ù£Ó¡÷£Á£Ê£î£î ¹¹¿·¸å¥¸¥ã¡¼¥Ê¥ë¥Õ¥¡¥¤¥ë¡££Á¡Ý£Ö£Ø¡¡£Ò£Ä£Â¤Î¥¸¥ã¡¼¥Ê¥ëµ¡Ç½¤È¥È¥é¥ó¥¶¥¯¥·¥ç¥óµ¡Ç½¤òƱ»þ¤Ë»ÈÍѤ¹¤ë»þ¤Ë»È¤¦¥Õ¥¡¥¤¥ë¡£¥¸¥ã¡¼¥Ê¥ëµ¡Ç½¤È¥È¥é¥ó¥¶¥¯¥·¥ç¥óµ¡Ç½¤ò»È¤Ã¤Æ¤¤¤Ê¤±¤ì¤ÐÉÔÍÑ¡££î£î¤Ï£²·å¤Î¿ô»ú¡£Oracle¤ÎREDO¥í¥°¤Î¤è¤¦¤Ê¤â¤Î¡£ £Ó£Ù£Ó¡÷£Â£Ê£Î£Ì ¹¹¿·Á°¥¸¥ã¡¼¥Ê¥ë¥Õ¥¡¥¤¥ë¡££Á¡Ý£Ö£Ø¡¡£Ò£Ä£Â¤Î¥È¥é¥ó¥¶¥¯¥·¥ç¥óµ¡Ç½¤ò»È¤ï¤Ê¤¤¤Ê¤é¤ÐÉÔÍÑ¡£Oracle¤ÎUNDOɽÎΰ衣 ¥Ç¡¼¥¿¤¬Æþ¤Ã¤Æ¤¤¤ë¥Õ¥¡¥¤¥ë¡ÊʪÍý¥Õ¥¡¥¤¥ë¡Ë ¥¡¼¥Õ¥¡¥¤¥ë ¥ì¥³¡¼¥É¥¡¼¤¬Æþ¤Ã¤Æ¤¤¤ë¥Õ¥¡¥¤¥ë¡£ºÇÂ磸¤Ä¤Þ¤Çºî¤ë¤³¤È¤¬¤Ç¤¤Þ¤¹¡£¤³¤Î¡ÖʪÍý¥Õ¥¡¥¤¥ë¤Î¥¡¼¥Õ¥¡¥¤¥ë¡×¤Ï¥ª¡¼¥×¥ó·Ï¤Î¥Ç¡¼¥¿¥Ù¡¼¥¹¤Ç¤¤¤¦¤È¥¤¥ó¥Ç¥Ã¥¯¥¹¤ËÁêÅö¤·¤Þ¤¹¡£¥¡¼¥Õ¥¡¥¤¥ë¤¬£°¸Ä¡¢¤Ä¤Þ¤ê¥¡¼Ìµ¤·¤â¤Ç¤¤Þ¤¹¡£ ¥Ç¡¼¥¿¥Õ¥¡¥¤¥ë ¥Ç¡¼¥¿¤¬Æþ¤Ã¤Æ¤¤¤ë¥Õ¥¡¥¤¥ë¡££±¤Ä¤Î´ðËÜɽ¤Ë¤Ä¤¡¢£±¤Ä¤Ç¤¤Þ¤¹¡£
¥ª¡¼¥×¥ó·Ï¤Î£Ò£Ä£Â¤À¤ÈREDO/UNDO¤Ïɬ¿Ü¤À¤Ã¤¿¤ê¤·¤Þ¤¹¤¬¡¢£Á¡Ý£Ö£Ø¡¡£Ò£Ä£Â¤Ïɬ¿Ü¤Ç¤Ï¤¢¤ê¤Þ¤»¤ó¡£Ìµ¤±¤ì¤Ð¤½¤ì¤é¤Îµ¡Ç½Ìµ¤·¤ÇÆ°¤¤Þ¤¹¡££Á¡Ý£Ö£Ø¤ÎÀ¤³¦¤Ç¤Ï¡¢¤É¤¦¤â¥¸¥ã¡¼¥Ê¥ë¥Õ¥¡¥¤¥ë¤Ï»ÈÍѤ·¤Æ¤¤¤Ê¤¤¤Î¤¬°ìÈÌŪ¤Î¤è¤¦¤Ç¤¹¡£
ʪÍý¥Õ¥¡¥¤¥ë¤Î·Á¼°¤ÏÊ£¿ôº÷°ú½çÊÔÀ®¥Õ¥¡¥¤¥ë¤Ë¤Ê¤ê¤Þ¤¹¡£
- £³¡¡£Á¡Ý£Ö£Ø¡¡£Ò£Ä£Â¤Î¹½À®
-
Á°¤Ë¤âÀâÌÀºÑ¤ß¤Ç¤¹¤¬¡¢£Á¡Ý£Ö£Ø¡¡£Ò£Ä£Â¤Ë´ØÏ¢¤¹¤ë¤â¤Î¤ò²¼¤Ëµó¤²¤Þ¤¹¡£
£Á¡Ý£Ö£Ø¡¡£Ò£Ä£ÂËÜÂÎ
(RDBMS)£Á¡Ý£Ö£Ø¤Ëɸ½àÉÕ°¡£ ¥Ç¡¼¥¿¥Ç¥£¥¯¥·¥ç¥Ê¥êÊݼé ɽ¤òºî¤Ã¤¿¤ê¡¢ºï½ü¤·¤¿¤ê¤¹¤ë¥æ¡¼¥Æ¥£¥ê¥Æ¥£¡££Á¡Ý£Ö£Ø¤Ëɸ½àÉÕ°¡£ COBOL¤«¤é¤Î
READ/WRITE¥¢¥¯¥»¥¹COBOL85¥³¥ó¥Ñ¥¤¥é¤Î¤ß¤Ç¥³¥ó¥Ñ¥¤¥ë²Äǽ¡£¡ÊCOBOL85¥³¥ó¥Ñ¥¤¥é¤ÏÊÌÇä¤ê¡£¡Ë COBOL¤«¤é¤ÎSQL¥¢¥¯¥»¥¹ SQL¤ò»È¤Ã¤¿COBOL¥×¥í¥°¥é¥à¤Î¥³¥ó¥Ñ¥¤¥ë¤ÏCOBOL85¥³¥ó¥Ñ¥¤¥é¤Î¾¤ËSQL¥×¥ê¥³¥ó¥Ñ¥¤¥é¤¬É¬Íס£¡ÊSQL¥×¥ê¥³¥ó¥Ñ¥¤¥é¤ÏÊÌÇä¤ê¡£¡Ë £Ò£Ä£Â¡¿£Å£Õ£Æ¶ RDB¤ËÂФ·¤Æ½ñ¤¹þ¤ß¤ò¤·¤¿¤ê¡¢¸¡º÷¤ò¤·¤¿¤ê¤¹¤ë¤³¤È¤¬¤Ç¤¤ëÊÌÇä¤ê¤Î¥½¥Õ¥È¡£ £Ó£Í£Á£Ò£Ô¶£Å£Ø £Á¡Ý£Ö£Ø¡¡£Ò£Ä£Â¤ËÂФ·¤Æ¥¢¥¯¥»¥¹¤Ç¤¤ë¥×¥í¥°¥é¥à¤ò´Êñ¤ËºîÀ®¤Ç¤¤ëÊÌÇä¤ê¤Î¥½¥Õ¥È¡£ £Ò£Ä£Â¥µ¡¼¥Ð £Á¡Ý£Ö£Ø¡¡£Ò£Ä£Â¤ËÂФ·¤ÆÊ̤Υª¥Õ¥³¥ó¤ä¥Ñ¥½¥³¥ó¤«¤é¥¢¥¯¥»¥¹¤¹¤ë°Ù¤ÎÊÌÇä¤ê¤Î¥½¥Õ¥È¡£