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MongoDB 版本查看及详情： 1、在命令行中连接到 MongoDB 服务器：
mongo
2、使用db.stats() 命令查看当前数据库的基本信息，包括版本号：db.stats()
输出结果中会包含version字段，显示当前数据库的版本。 3、或者，使用show db命令查看所有数据库的信息，同样包括版本号：
show db
在输出结果中查找version字段。 4、如果需要查看更详细的版本信息，可以使用version()函数：
db.version()
输出结果将包含以下详细信息：
"buildInfo": {
"version": "4.4.8",
"gitVersion": "4.4.80gd3d8c6e",
"allocator": "tcmalloc",
"buildEnvironment": {
"target_arch": "x86_64",
"settings": {
"sharding": true,
"ssl": true,
"replication": true,
"ipv6": false,
"wireVersion": 15,
"forks": 17,
"cppVersion": "g++ (Ubuntu 9.3.010ubuntu2) 9.3.0",
"modules": [
"src/mongo/db/exec/indexscan.cpp",
"src/mongo/db/exec/sort.cpp",
"src/mongo/db/exec/merge.cpp",
"src/mongo/db/exec/geo_near.cpp",
"src/mongo/db/exec/geo_stats.cpp",
"src/mongo/db/exec/geo_hash.cpp",
"src/mongo/db/exec/query.cpp",
"src/mongo/db/exec/update.cpp",
"src/mongo/db/exec/insert.cpp",
"src/mongo/db/exec/remove.cpp",
"src/mongo/db/exec/update_stage.cpp",
"src/mongo/db/exec/merge_sort.cpp",
"src/mongo/db/exec/distinct.cpp",
"src/mongo/db/exec/distinct_mongos.cpp",
"src/mongo/db/exec/distinct_stage.cpp",
"src/mongo/db/exec/geo_near_mongos.cpp",
"src/mongo/db/exec/geo_stats_mongos.cpp",
"src/mongo/db/exec/geo_hash_mongos.cpp",
"src/mongo/db/exec/query_stage.cpp",
"src/mongo/db/exec/update_stage_mongos.cpp",
"src/mongo/db/exec/merge_sort_mongos.cpp",
"src/mongo/db/exec/distinct_stage_mongos.cpp",
"src/mongo/db/exec/geo_near_stage.cpp",
"src/mongo/db/exec/geo_stats_stage.cpp",
"src/mongo/db/exec/geo_hash_stage.cpp",
"src/mongo/db/exec/query_scan.cpp",
"src/mongo/db/exec/update_scan.cpp",
"src/mongo/db/exec/remove_scan.cpp",
"src/mongo/db/exec/distinct_scan.cpp",
"src/mongo/db/exec/geo_near_scan.cpp",
"src/mongo/db/exec/geo_stats_scan.cpp",
"src/mongo/db/exec/geo_hash_scan.cpp",
"src/mongo/db/exec/update_scan_mongos.cpp",
"src/mongo/db/exec/merge_sort_scan.cpp",
"src/mongo/db/exec/distinct_scan_mongos.cpp",
"src/mongo/db/exec/geo_near_scan_mongos.cpp",
"src/mongo/db/exec/geo_stats_scan_mongos.cpp",
"src/mongo/db/exec/geo_hash_scan_mongos.cpp",
"src/mongo/db/exec/query_scan_mongos.cpp",
"src/mongo/db/exec/update_scan_mongos.cpp",
"src/mongo/db/exec/merge_sort_scan_mongos.cpp",
"src/mongo/db/exec/distinct_scan_mongos.cpp",
"src/mongo/db/exec/geo_near_scan_mongos.cpp",
"src/mongo/db/exec/geo_stats_scan_mongos.cpp",
"src/mongo/db/exec/geo_hash_scan_mongos.cpp",
"src/mongo/db/exec/query_scan_mongos.cpp",
"src/mongo/db/exec/update_scan_mongos.cpp",
"src/mongo/db/exec/merge_sort_scan_mongos.cpp",
"src/mongo/db/exec/distinct_scan_mongos.cpp",
"src/mongo/db/exec/geo_near_scan_mongos.cpp",
"src/mongo/db/exec/geo_stats_scan_mongos.cpp",
"src/mongo/db/exec/geo_hash_scan_mongos.cpp",
"src/mongo/db/exec/query_scan_mongos.cpp",
"src/mongo/db/exec/update_scan_mongos.cpp",
"src/mongo/db/exec/merge_sort_scan_mongos.cpp",
"src/mongo/db/exec/distinct_scan_mongos.cpp",
"src/mongo/db/exec/geo_near_scan_mongos.cpp",
"src/mongo/db/exec/geo_stats_scan_mongos.cpp",
"src/mongo/db/exec/geo_hash_scan_mongos.cpp",
"src/mongo/db/exec/query_scan_mongos.cpp",
"src/mongo/db/exec/update_scan_mongos.cpp",
"src/mongo/db/exec/merge_sort_scan_mongos.cpp",
"src/mongo/db/exec/distinct_scan_mongos.cpp",
"src/mongo/db/exec/geo_near_scan_mongos.cpp",
"src/mongo/db/exec/geo_stats_scan_mongos.cpp",
"src/mongo/db/exec/geo_hash_scan_mongos.cpp",
"src/mongo/db/exec/query_scan_mongos.cpp",
"src/mongo/db/exec/update_scan_mongos.cpp",
"src/mongo/db/exec/merge_sort_scan_mongos.cpp",
"src/mongo/db/exec/distinct_scan_mongos.cpp",
"src/mongo/db/exec/geo_near_scan_mongos.cpp",
"src/mongo/db/exec/geo_stats_scan_mongos.cpp",
"src/mongo/db/exec/geo_hash_scan_mongos.cpp",
"src/mongo/db/exec/query_scan_mongos.cpp",
"src/mongo/db/exec/update_scan_mongos.cpp",
"src/mongo/db/exec/merge_sort_scan_mongos.cpp",
"src/mongo/db/exec/distinct_scan_mongos.cpp",
"src/mongo/db/exec/geo_near_scan_mongos.cpp",
"src/mongo/db/exec/geo_stats_scan_mongos.cpp",
"src/mongo/db/exec/geo_hash_scan_mongos.cpp",
"src/mongo/db/exec/query_scan_mongos.cpp",
"src/mongo/db/exec/update_scan_mongos.cpp",
"src/mongo/db/exec/merge_sort_scan_mongos.cpp",
"src/mongo/db/exec/distinct_scan_mongos.cpp",
"src/mongo/db/exec/geo_near_scan_mongos.cpp",
"src/mongo/db/exec/geo_stats_scan_mongos.cpp",
"src/mongo/db/exec/geo_hash_scan_mongos.cpp",
"src/mongo/db/exec/query_scan_mongos.cpp",
"src/mongo/db/exec/update_scan_mongos.cpp",
"src/mongo/db/exec/merge_sort_scan_mongos.cpp",
"src/mongo/db/exec/distinct_scan_mongos.cpp",
"src/mongo/db/exec/geo_near_scan_mongos.cpp",
"src/mongo/db/exec/geo_stats_scan_mongos.cpp",
"src/mongo/db/exec/geo_hash_scan_mongos.cpp",
"src/mongo/db/exec/query_scan_mongos.cpp",
"src/mongo/db/exec/update_scan_mongos.cpp",
"src/mongo/db/exec/merge_sort_scan_mongos.cpp",
"src/mongo/db/exec/distinct_scan_mongos.cpp",
"src/mongo/db/exec/geo_near_scan_mongos.cpp",
"src/mongo/db/exec/geo_stats_scan_mongos.cpp",
"src/mongo/db/exec/geo_hash_scan_mongos.cpp",
"src/mongo/db/exec/query_scan_mongos.cpp",
"src/mongo/db/exec/update_scan_mongos.cpp",
"src/mongo/db/exec/merge_sort_scan_mongos.cpp",
"src/mongo/db/exec/distinct_scan_mongos.cpp",
"src/mongo/db/exec/geo_near_scan_mongos.cpp",
"src/mongo/db/exec/geo_stats_scan_mongos.cpp",
"src/mongo/db/exec/geo_hash_scan_mongos.cpp",
"src/mongo/db/exec/query_scan_mongos.cpp",
"src/mongo/db/exec/update_scan_mongos.cpp",
"src/mongo/db/exec/merge_sort_scan_mongos.cpp",
"src/mongo/db/exec/distinct_scan_mongos.cpp",
"src/mongo/db/exec/geo_near_scan_mongos.cpp",
"src/mongo/db/exec/geo_stats_scan_mongos.cpp",
"src/mongo/db/exec/geo_hash_scan_mongos.cpp",
"src/mongo/db/exec/query_scan_mongos.cpp",
"src/mongo/db/exec/update_scan_mongos.cpp",
"src/mongo/db/exec/merge_sort_scan_m
