Введение в модель данных SQL

EMP_NAME FROM EMP EMP1, DEPT


SELECT EMP_NAME, (SELECT COUNT(*) FROM EMP EMP1 WHERE EMP1.DEPT_NO = EMP.DEPT_NO AND EMP1.EMP_NAME = EMP.EMP_NAME AND EMP1.EMP_NO <> EMP.EMP_NO) + 1 FROM EMP WHERE (SELECT COUNT(*) FROM EMP EMP1 WHERE EMP1.DEPT_NO = EMP.DEPT_NO AND EMP1.EMP_NAME = EMP.EMP_NAME AND EMP1.EMP_NO <> EMP.EMP_NO) > 1 AND EMP_NAME LIKE (SELECT EMP1. EMP_NAME FROM EMP EMP1, DEPT WHERE EMP.DEPT_NO = DEPT.DEPT_NO AND EMP1.EMP_NO = DEPT.DEPT_MNG) || '%';
Пример 15.8.1.
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