两表联查分组_MYSQL多表关联分组查询统计数量SELECT
pe.person_type as personType,
mysql语句多表查询
COUNT(1) as strengthAmount,
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g.id as id,
excel表格学习视频g.plaitAmount as plaitAmountprogramsql
FROM t_person as pe
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LEFT JOIN (
SELECT
bz.id as id,
bz.person_type AS personType,
bz.plait_amount AS plaitAmount,
bz.department_id AS departmentId
FROM t_preparation_rybzsbz as bz
LEFT JOIN t_department as d
ON bz.department_id = d.id
and bz.deleted = ${@com.aisino.guard.vo.system.TUserVO@DELTED_FLAG_N}
where bz.department_id = #{parameter.departmentId}
) g
ON g.departmentId = pe.department_id
AND g.personType = pe.person_type
and pe.deleted = ${@com.aisino.guard.vo.system.TUserVO@DELTED_FLAG_N}
where pe.department_id = #{parameter.departmentId}随机数表法如何读数两位数
GROUP BY pe.id

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