Answer:
An observation: Java does not support true multi-dimensional arrays; rather, it supports 1-dimensional arrays, where each element can itself be another 1-dimensional array. The difference is the way memory is allocated, where a[i][j] differs from a[i,j].
Explanation:
Answer:
CRM system can help customers about the service supplied.
Explanation:
CRM stands for Customer Relationship Management and CRM system is a useful tool for communicating with customers.
CRM can keep the data about the order provided by the customer and has updated info about its status.
For example, if the customer of a logistics company wants to know where his/her order is, customer represantative can give up-to-date info about the order where abouts. Or the customer directly uses web to check the status of the order.
All these service can be provided by a CRM system, since drones can send its location to CRM systems.
Answer:
find()
Explanation:
When dealing with MongoDB the method that needs to be used in this scenario would be the find() method. This method basically returns all of the records that exist in the collection on which it is called, if no parameter is passed. If you pass a parameter/expression then only the records that match completely the expression will be returned to the user, otherwise nothing is returned. For example, on a database (db) we would call the following
db.find() ... This will return all records
db.find({specific}) ... This will return only the records that match specific.
In 1957, the first of the major languages appeared in the form of FORTRAN. Its name stands for FORmula TRANslating system. The language was designed at IBM for scientific computing. The components were very simple, and provided the programmer with low-level access to the computers innards.
