如何仅从数据库中选择5条记录。使用MySQL
我有一个sql选择:如何仅从数据库中选择5条记录。使用MySQL,mysql,sql,Mysql,Sql,我有一个sql选择: SELECT employee.name, employee.surname, department.name FROM employee INNER JOIN deparment ON employee.id_department=department.id WHERE department.name = 'security' 但我只想选择5条记录。如果我可以使用SQL工具来实现这一点 如果我想选择=5条记录(超过5条记录)?这是SQL SELECT employee
SELECT employee.name, employee.surname, department.name FROM employee INNER JOIN deparment
ON employee.id_department=department.id WHERE department.name = 'security'
但我只想选择5条记录。如果我可以使用SQL工具来实现这一点
如果我想选择=5条记录(超过5条记录)?这是SQL
SELECT employee.name, employee.surname, department.name
FROM employee INNER JOIN deparment
ON employee.id_department=department.id
WHERE department.name = 'security'
LIMIT 5;
了解更多
编辑 我相信=5张唱片意味着离开前5张唱片,再获得5张
SELECT employee.name, employee.surname, department.name
FROM employee INNER JOIN deparment
ON employee.id_department=department.id
WHERE department.name = 'security'
LIMIT 5,5;
选择
employee.name
,员工姓名
,部门名称
来自员工
内部连接部门作为部门
在employee.id\u部门
=dept.id
其中department.name
=“安全”
限值5,5 在查询中使用限制。什么是我的大于等于5-您的SQL语句是正确答案,如果有更多记录,它将显示大于5条记录,如果有5条记录,它将显示5条不需要限制。@Murtaza我想选择5条以上的记录。如果我的桌子上有10张唱片,我想看看。如果我的桌子上有3条记录,我不想看到它们OK。如果a想要选择>=5条记录?如果我想要从整个表中选择5条以上的记录?只需将数量增加到您想要获取的记录的任何数量(假设您想要获取7条记录),然后使用
限制7
,这里是另一个了解更多信息的链接。
SELECT employee.name, employee.surname, department.name
FROM employee INNER JOIN deparment
ON employee.id_department=department.id
WHERE department.name = 'security'
LIMIT 5,5;
SELECT employee.name
, employee.surname
, department.name
FROM employee
INNER JOIN deparment
ON employee.id_department=department.id
WHERE department.name = 'security'
LIMIT 5 , 5 ;
SELECT employee.name, employee.surname, department.name FROM employee INNER JOIN deparment
ON employee.id_department=department.id WHERE department.name = 'security'
LIMIT 5;