Database Reference
In-Depth Information
{ “_id” : ObjectId(“530f8be4d77a08823086017g”), “titleName” : “Extreme Scoping”, “subtitleName” : “An Agile Ap-
proach to Enterprise Data Warehousing and Business Intelligence”, “pageCount” : 300, “categories” : [ “Agile”, “Busi-
ness Intelligence” ] }
{ “_id” : ObjectId(“530f8be4d77a08823086017h”), “titleName” : “Business unIntelligence”, “subtitleName” : “Insight
and Innovation beyond Analytics and Big Data”, “pageCount” : 442, “categories” : [ “Data Warehouse”, “Business Intel-
ligence” ] }
{ “_id” : ObjectId(“530f8be4d77a08823086017i”), “titleName” : “Secrets of Analytical Leaders”, “pageCount” : 268,
“categories” : [ “Analytics” ] }
Notice that the
Extreme Scoping
book now exists twice in the collection. If this is indeed
the same book we will need to remove the duplicate, which we will do shortly with remove(
).
Q
UERYING
D
ATA IN
M
ONGO
DB
The find( ) function displays documents from a collection. The general structure for a find(
) statement is:
