Введение в модель данных SQL

AND EMP_NAME LIKE


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) || '%';

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