mac os安装mongodb
1. 下载mongodb mac版本的mongodb-osx-x86_64-2.4.5.tgz2. 解压缩
3. 用户主目录
vim .mongodb.conf
fork=true
logpath=/Users/niyong/data/dbdata/mongodb/log/mongodb.log
logappend=true
dbpath=/Users/niyong/data/dbdata/mongodb/data
4. .bash_profile
export PATH=$PATH:/Users/niyong/Programs/mongodb/bin
alias mongostart='mongod -f ~/.mongodb.conf'
5. connect to a mongodb
mongo --host localhost --port 27017
6.几个常用命令
show dbs
show databases
切换数据库,类似mysql
use mydb
db
显示有哪些表,mysql: show tables;
show collections
查询:
db.collection1.find()
db.keyword_collection.find({$or:[{"abbre":/^qx/i},{"py":/^qx/i}]}).limit(10).sort({"hit":-1});
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