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SQL code:

create table outlevelrecord(
id INT PRIMARY KEY AUTO_INCREMENT NOT NULL,
para VARCHAR,
value FLOAT,
crew VARCHAR,
recordtime DATETIME,
job VARCHAR
)




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1  crew
2  job
3  ¸ø¶¨Ê±¼äfrom£¬to£¬Ê¹µÃ£¨from <=recordtime <=to£©
4  ¸ø¶¨Ò»¸öintÊý¾Ýtimes£¬ÀûÓÃÌõ¼þ1£¬2£¬3ÒÔpara·Ö×飬·Ö×éºó½«count£¨para£©>=timesµÄparaÕÒ³öÀ´¡£
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SQL code:

create table outlevelrecord(
id INT PRIMARY KEY AUTO_INCREMENT NOT NULL,
para VARCHAR(45),
value FLOAT,
crew VARCHAR(45),
recordtime DATETIME,
job VARCHAR(45)
)




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