I have a data set like this:
{
"_id" : ObjectId("5a7abf6b3b808dbed05d4359"),
"Name" : "Nil",
"TEST" : "APPLE",
"Group" : "Nil",
"Sector" : "Nil"
},
{
"_id" : ObjectId("5a7abf6b3b808dbed05d435a"),
"Name" : "Nil",
"TEST" : "ORRANGE",
"Group" : "Nil",
"Sector" : "Nil"
}
Now I want to add Prefix on TEST Keys for all entries in Column. Expected Result will be like this:
{
"_id" : ObjectId("5a7abf6b3b808dbed05d4359"),
"Name" : "Nil",
"TEST" : "@APPLE",
"Group" : "Nil",
"Sector" : "Nil"
},
{
"_id" : ObjectId("5a7abf6b3b808dbed05d435a"),
"Name" : "Nil",
"TEST" : "@ORRANGE",
"Group" : "Nil",
"Sector" : "Nil"
}
I want to add @ for all on TEST. Any help is appreciated