2012-10-31
1. Export method A
例子：mongoexport --host 127.0.0.1 --port 00000 -d db_test -c stats -q "{'key':{'\$gte':'2012-04','\$lt':'2012-05'}}" -f key,value -o ~/stats04
Explanation : The data whose value of the domain key is between 2012-04 and 2012-05 is exported. The exported data is placed in the stats04 file in the start directory. The data format only contains fields (Field) of key and value.
Note : If the -q json uses double quotes, $ needs to be escaped.
2. Export method B
Example : mongoimport --host 10.100.10.10 --port 27000 -d db_test -c u_stats -file ~/stats04
Explanation : Import previously exported data into another database
Note : The table names in the new database have been modified