mysql
<span style="color: rgb(0, 0, 0); font-family: 宋体, Arial, sans-serif; font-size: 14px; background-color: rgb(239, 244, 250);">select * from table1 where 范围</span>
<span style="color: rgb(0, 0, 0); font-family: 宋体, Arial, sans-serif; font-size: 14px; background-color: rgb(239, 244, 250);">insert into table1(field1,field2) values(value1,value2)</span>
<span style="color: rgb(0, 0, 0); font-family: 宋体, Arial, sans-serif; font-size: 14px; background-color: rgb(239, 244, 250);">update table1 set field1=value1 where 范围</span>
<span style="color: rgb(0, 0, 0); font-family: 宋体, Arial, sans-serif; font-size: 14px; background-color: rgb(239, 244, 250);">delete from table1 where 范围</span>
mongodb
db.collection.find({})
db.collection.insert({})
db.collection.remove({})
db.collection.update({查询条件},{$set:{更新内容}})
混合开发
chrome调试工具
chrome://inspect/#devices
