What is the difference between single row and group functions?
Single-row functions return a single result row for every row of a queried table or view.
The GROUP BY clause can be used in a SELECT statement to collect data across multiple records and group the results by one or more columns.
The difference between the two is that a network could be defined as a group of locally connected computers (Eg: Computers connected in an office buliding); whereas, An internetwork is a collection of individual networks, connected by intermediate networking devices, that functions as a single large network
What is an important difference between implementing the multicast abstract via multiple unicasts and a single network router supported multicast group?
GROUP BY is used to group values from a column, and, if necessary, perform calculations on that column. You can use aggregation functions (e.g. COUNT, SUM, AVG) on the grouped column. The result of the GROUP BY is ordered by the column that grouped. The ORDER BY clause is used only for ordering the query results.
Duplex A duplex is a single structure which is owned in fee with two units that share a common wall. It can be owner occupied with multiple owners dwelling in the two units, one unit rented to tenants or both units can be rented. Townhouse The ownership of a townhouse is a fee simple estate. Generally, a townhouse is one of a row of attached dwellings that share common walls. The term 'town home' is…
All amino acids consist of a central carbon atom bound to a caboxyl group, an amine group, a single hydrogen and one other molecule term the r group. It is this r group that varies between different amino acids. In alanine the r group is a methyl group (-CH3) and in glycine the r group is simply another hydrogen molecule.