文件名称:MongoDB简单应用-MongoDB由浅入深
文件大小:2.07MB
文件格式:PPT
更新时间:2024-05-15 13:26:13
MongoDB
MongoDB简单应用 MongoDB读操作 WHERE # select * from students where name = 'Joe' > db.students.find({name : "Joe"}) FIELDS # select name, age from students where age = 33 > db.students.find({age : 33}, {name : 1, age : 1}) # select name, age from students > db.students.find({}, {name : 1, age : 1}) *