mongodb drop index
# First Get Your Index name by
db.coll.getIndexes() # Because the index name would be different than the field name
# then Do
db.coll.dropIndex("column_1")mongodb drop index
# First Get Your Index name by
db.coll.getIndexes() # Because the index name would be different than the field name
# then Do
db.coll.dropIndex("column_1")Mongodb Remove array element by index
db.example.update({}, [
{$set: {field: {
$concatArrays: [
{$slice: ["$field", P]},
{$slice: ["$field", {$add: [1, P]}, {$size: "$field"}]}
]
}}}
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