mongodb - 集合重命名

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#创建新的集合yb > for(i=0;i<10;i++){db.yb.insert({'i':i})} WriteResult({ "nInserted" : 1 }) > show collections yb #重命名集合为yb2 > db.yb.renameCollection('yb2'); { "ok" : 1 } > show collections yb2 >

 

跨数据库重名集合

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> use test switched to db test > show collections yb1 > use test2 switched to db test2 > show collections > db.runCommand({renameCollection:"test.yb1",to:"test2.yb",dropTarget:true}); {         "ok" : 0,         "errmsg" : "renameCollection may only be run against the admin database.",         "code" : 13 } > show collections > use admin switched to db admin > db.runCommand({renameCollection:"test.yb1",to:"test2.yb",dropTarget:true}); { "ok" : 1 } >