如何用javascript连接数据库?用javascript连接MongoDB/MySQL
mongodb有一些例子吗?或MySQL?此databese的
mongodb://[username:[email protected]]host1[:port1][,host2[:port2],...[,hostN[:portN]]]` `[/[database][?options]]
性能可以在TCP服务器?:
~/$ ./mongod
db.adminCommand({movePrimary :,到:})被用于
//enable sharding on the database, and move it to the shard01
use test1 //新数据库 db.adminCommand({enabl esharding:“test1”}) db.adminCommand({movePrimary:“test1”,to:“shard01”}) //这将影响test1上的新集合db //在数据库上启用分片并将其移动到shard01 使用test1 //新数据库 db.adminCommand({enableharding:“test1”}) db.adminCommand({movePrimary:“test1”,to:“shard01”}) //这将影响新的集合在TEST1数据库