å é¨çµåï½ä½ã®ãå é¨ããªã®ãï½ å é¨çµåã¨ã¯ å é¨çµåï¼inner joinï¼ã¯ãä¸çªãã使ãããçµåã®ç¨®é¡ã§ããã»ã¨ãã©ã®SQLã®åèæ¸ã§ã¯ãçµåã¨ããã°æåã«å é¨çµåãã話ãå§ãããã®ã§ããæ§æã«ã¤ãã¦ã¯ãã§ã«ãåãã®æ¹ãå¤ãã§ãããããä¸å¿ããã§ç´¹ä»ãã¦ããã¾ãããã ä»ãå³1ã®ç¤¾å¡ãã¼ãã«ã ãè¦ãã¨ã社å¡ã®é¨ç½²åã¯ãããã¾ããï¼ãããã®ã¯é¨ç½²IDã ãâ ï¼â ãé¨ç½²åãç¥ãããã«ã¯ãé¨ç½²ãã¼ãã«ã®é¨ç½²åï¼dept_nameï¼åã®æ å ±ãæã£ã¦ããªãã¦ã¯ãªãã¾ããããã®ã¨ãã®çµåãã¼ã¯ãã¡ãããã©ã¡ãã®ãã¼ãã«ã«ãåå¨ãã¦ããé¨ç½²IDï¼dept_idï¼åã«ãªãã¾ãï¼ãªã¹ã2ãå³3â ï¼â ã ãªã¹ã2ãå é¨çµåãå®è¡ SELECT E.emp_id, E.emp_name, E.dept_id, D.dept_name FROM Employees E INNER JOIN Departmen
{{#tags}}- {{label}}
{{/tags}}