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Update MongoDB_聚合.md

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heibaiying 2019-07-31 15:09:09 +08:00 committed by GitHub
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@ -339,11 +339,11 @@ db.employees.aggregate([
"emp_no" : 10001,
........
"emp_title" : [
{
{
"_id" : ObjectId("5d4011728ba16934ccce99a5"),
"emp_no" : 10001,
"title" : "Senior Engineer"
}
}
]
},
@ -413,7 +413,6 @@ db.employees.aggregate([
"_id" : ObjectId("5d3ffaaa8ba16934ccce99a1"),
"emp_no" : 10001,
.......
],
"emps_title" : [
{
"_id" : ObjectId("5d4011728ba16934ccce99a5"),
@ -445,6 +444,7 @@ db.employees.aggregate([
{
"_id" : ObjectId("5d3ffaaa8ba16934ccce99a2"),
"emp_no" : 10002,
.......
"emps_title" : [
{