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SELECT 姓名,性别,YEAR(DATE())-YEAR(出生日期)年龄 FROM 职工 WHERE年龄<=40 SELECT 姓名,性别, YEAR(DATE())-YEAR (出生日期) 年龄 FROM 职工 WHERE YEAR(出生日期)<=40 SELECT 姓名,性别, YEAR(DATE())-YEAR (出生日期) 年龄 FROM 职工 WHERE YEAR (DATE())-YEAR (出生日期)<=40 SELECT 姓名,性别,年龄=YEAR(DATE())-YEAR (出生日期) FROM 职工 WHERE YEAR(DATE())-YEAR(出生日期)<=40
SELECT职工号WHERE工资>800 SELECT职工号FROM职工SET工资>800 SELECT职工号FROM职工WHERE工资>800 SELECT职工号FROM职工FOR工资>800
SELECT 姓名,城市 FROM 职工:WHERE (年龄>50)OR(职工.职工号=城市.职工号) SELECT 姓名,城市 FROM 职工;WHERE(年龄>50)AND(职工.职工号=城市.职工号) SELECT 姓名,城市 FROM 城市,职工;WHERE(年龄>50)OR (职工.职工号=城市.职工号) SELECT 姓名,城市 FROM 城市,职工;WHERE(年龄>50)AND (职工.职工号=城市.职工号)
SELECT 姓名,城市 FROM 职工;
WHERE (年龄>50) OR (职工.职工号=城市.职工号) SELECT 姓名,城市 FROM 职工;
WHERE (年龄>50) AND (职工.职工号=城市.职工号) SELECT 姓名,城市 FROM 城市,职工;
WHERE (年龄>50) OR (职工.职工号=城市.职工号) SELECT 姓名,城市 FROM 城市, 职工;
WHERE (年龄>50) AND (职工.职工号=城市.职工号)
SELECT姓名,性别,YEAR(DATE())-YEAR(出生日期)年龄FROM职工WHERE年龄<=40 SELECT姓名,性别,YEAR(DATE())-YEAR(出生日期)年龄FROM职工WHERE YEAR(出生日期)<=40 SELECT姓名,性别,YEAR(DATE())-YEAR(出生日期)年龄FROM职工WHERE YEAR(DATE0)-YEAR(出生日期)<=40 SELECT姓名,性别,年龄=YEAR(DATE())-YEAR(出生日期)FROM职工WHERE YEAR(DATE0)-YEAR(出生日期)<=40
SELECT 姓名,城市 FROM 职工; WHERE (年龄>50) OR (职工.职工号=城市.职工号) SELECT 姓名,城市 FROM 职工; WHERE (年龄>50) AND (职工.职工号=城市.职工号) SELECT 姓名,城市 FROM 城市,职工; WHERE (年龄>50) OR (职工.职工号=城市.职工号) SELECT 姓名,城市 FROM 城市, 职工; WHERE (年龄>50) AND (职工.职工号=城市.职工号)
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SELECT 姓名,城市 FROM 职工;
WHERE(年龄>50) OR (职工.职工号=城市.职工号) SELECT 姓名,城市 FROM 职工;
WHERE(年龄>50) AND (职工.职工号=城市.职工号) SELECT 姓名,城市 FROM 城市,职工;
WHERE(年龄>50) OR (职工.职工号=城市.职工号) SELECT姓名,城市 FROM 城市,职工;
WHERE(年龄>50) AND (职工.职工号;城市,职工号)
SELECT 姓名,城市 FROM 职工;
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WHERE(年龄>50)AND(职工.职工号=城市.职工号) SELECT 姓名,城市FROM城市,职工;
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WHERE(年龄>50)AND(职工.职工号=城市.职工号)
SELECT 姓名,城市 FROM 职工; WHERE (年龄>50) OR (职工.职工号=城市.职工号) SELECT 姓名,城市 FROM 职工; WHERE (年龄>50) AND (职工.职工号=城市.职工号) SELECT 姓名,城市 FROM 城市,职工; WHERE (年龄>50) OR (职工.职工号=城市.职工号) SELECT 姓名,城市 FROM 城市,职工; WHERE (年龄>50) AND (职工.职工号=城市.职工号)
SELECT 姓名,城市 FROM 职工; WHERE(年龄>50) OR (职工.职工号=城市.职工号) SELECT 姓名,城市 FROM 职工; WHERE(年龄>50) AND (职工.职工号=城市.职工号) SELECT 姓名,城市 FROM 城市,职工; WHERE(年龄>50) OR (职工.职工号=城市.职工号) SELECT姓名,城市 FROM 城市,职工; WHERE(年龄>50) AND (职工.职工号;城市,职工号)
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