foo: database name
name: collection name
Insert a document
holic oral sex allowed
Pussy make that pussy talk Juicy pussy images licking womans pussy video
Pussy lesbian licking each others pussy pussy Big pussy licking lesbians licking pussy up close pictures
1
2
3
4
5
6
7
8
MongoDB shell version: 2.6.1
connecting to: test
> use foo
switched to db foo
> db.name.insert({a: 1, b: 2, c: 3});
WriteResult({ "nInserted" : 1 })
Here we insert {a: 1, b: 2, c: 3} into “name” collection.
Pussy cougar fingering pussy pussy fucked up show white men on black pussy
Porn guys eat cum filled pussy black dude licking pussy nude ebony pussy videos free
Pussy wprld of pussy loose pussy huge dildos females licking wet pussy
Ass pussy per styling youngest teens licking pussy pics fertile pussy fucking
Pussy guys lapping cum from a pussy licking pussy cum juicy and sweet pussy
Pussy shemales fucking males and licking pussy guys lapping cum from a pussy emo girls licking pussy
Tits teen girls finger her boss pussy Lesbian licking movies girls licking ther own pussy
Multi-key Indexes and Arrays: MongoDB
You need to a flashplayer enabled browser to view this YouTube video
Basic Cursor
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
> db.name.find({a: 1, b: 2})
{ "_id" : ObjectId("53d8982b79142c385cddc607"), "a" : 1, "b" : 2, "c" : 3 }
> db.name.find({a: 1, b: 2}).explain()
{
"cursor" : "BasicCursor",
"isMultiKey" : false,
"n" : 1,
"nscannedObjects" : 1,
"nscanned" : 1,
"nscannedObjectsAllPlans" : 1,
"nscannedAllPlans" : 1,
"scanAndOrder" : false,
"indexOnly" : false,
"nYields" : 0,
"nChunkSkips" : 0,
"millis" : 0,
"server" : "Satish-PC:27017",
"filterSet" : false
}
Lets create index on a and b
1
2
3
4
5
6
7
> db.name.ensureIndex({a: 1, b: 1});
{
"createdCollectionAutomatically" : false,
"numIndexesBefore" : 1,
"numIndexesAfter" : 2,
"ok" : 1
}
Btree Cursor with multi-key as false
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
> db.name.find({a: 1, b: 2}).explain()
{
"cursor" : "BtreeCursor a_1_b_1",
"isMultiKey" : false,
"n" : 1,
"nscannedObjects" : 1,
"nscanned" : 1,
"nscannedObjectsAllPlans" : 1,
"nscannedAllPlans" : 1,
"scanAndOrder" : false,
"indexOnly" : false,
"nYields" : 0,
"nChunkSkips" : 0,
"millis" : 0,
"indexBounds" : {
"a" : [
[
1,
1
]
],
"b" : [
[
2,
2
]
]
},
"server" : "Satish-PC:27017",
"filterSet" : false
}
Lets insert another document
1
2
> db.name.insert({a: [0, 1, 2], b: 2, c: 3});
WriteResult({ "nInserted" : 1 })
Pussy hot girl accidentally reveals pussy pussy licking adult i suck pussy cum
Pussy pussy licking sex stories licking nipples thumbnail galleries free pussy licking pics and videos
Pussy pussy fucking mpeg young teens licking pussy lesbian sluts eating pussy
sex with black fat lady
Pussy porn pussy licking dick and pussy fucking mature titties and pussy
Btree Cursor with Multi-key true
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
> db.name.find({a: 1, b: 2})
{ "_id" : ObjectId("53d8982b79142c385cddc607"),
"a" : 1, "b" : 2, "c" : 3 }
{ "_id" : ObjectId("53d8986f79142c385cddc608"),
"a" : [ 0, 1, 2 ], "b" : 2, "c": 3 }
> db.name.find({a: 1, b: 2}).explain()
{
"cursor" : "BtreeCursor a_1_b_1",
"isMultiKey" : true,
"n" : 2,
"nscannedObjects" : 2,
"nscanned" : 2,
"nscannedObjectsAllPlans" : 2,
"nscannedAllPlans" : 2,
"scanAndOrder" : false,
"indexOnly" : false,
"nYields" : 0,
"nChunkSkips" : 0,
"millis" : 0,
"indexBounds" : {
"a" : [
[
1,
1
]
],
"b" : [
[
2,
2
]
]
},
"server" : "Satish-PC:27017",
"filterSet" : false
}
Multi-Key Condition in MongoDB
1
2
3
4
5
6
7
8
9
> db.name.insert({a: [0, 1, 2], b: [3, 4], c: 3});
WriteResult({
"nInserted" : 0,
"writeError" : {
"code" : 10088,
"errmsg" : "insertDocument :: caused by :: 10088 cannot
index parallel arrays [b] [a]"
}
})