PostgreSQL ç·¨5 - ãã¼ãã«ã¯ãªã¢ããã¼ãã«å®ç¾©å¤æ´ãæ´åæ§å¶ç´å®ç¾©ã権é â ãã¼ãã«ã¯ãªã¢ ã»ãã¼ãã«ä¸ã®ãã¼ã¿ã ããå ¨ã¦åé¤ããã«ã¯ãdelete æã使ç¨ããã delete from testm; ã»ä½ããåç´ã¯ãªã¢ãç®çãªãããã®æ¹æ³ã¯ã¬ã¹ãã³ã¹çã«åé¡ãããã ãã©ã³ã¶ã¯ã·ã§ã³æ©è½ãåãã®ã§ãå ¨ã¬ã³ã¼ãã®ãã©ã³ã¶ã¯ã·ã§ã³ãããã¡ ã¸ã®æ¸ãè¾¼ã¿ã¨ã³ãããã«ããæ´æ°ãè¡ãããã ä½ä¸ä»¶ã«ãåã¶ãã¼ã¿ã®ã¯ãªã¢ã delete æã§ããã¨å®ç¨ã«èããªãã ã»åç´ãªãã¼ãã«ã¯ãªã¢ãç®çã®å ´åã¯ã表åãæ¨ã¦(truncate) ã使ç¨ãã ã¨è¯ãããã®æ¹ãä¸ç¬ã§ã¯ãªã¢ã§ããã truncate table testm; ã»æããã£ã¦ããã¼ãã«åé¤ã¨åä½æãå©ç¨ããæãããã drop table testm; create table testm ( key char(008)
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