HP Intelligent Management Center Standard Software Platform - Manual (Page 697)

An SQL query is an SQL statement designed specifically to request data
from one or more SQL databases. Some SQL applications require that you
type in an SQL query directly using a text editor, while others provide
graphical user interfaces that lead you through the process of querying an
SQL database. In the latter case, the application must create an SQL
statement based on the information you provide. This statement is the actual
SQL query, and it is the SQL query that is used to request the data. Crystal
Reports falls into both categories of SQL-compliant applications.
Client/server architecture
One of the most powerful features of SQL DBMS applications is their ability
to efficiently use the client/server architecture of a network.
A simple network structure consists of one or more network servers that
provide a common location where all users on the network can obtain data
and applications. Many network servers also provide network security,
automated services such as backing up data, and network resource
monitoring to provide the best service possible to all workstations on the
Crystal Reports 2008 SP3 User's Guide 697
25 Understanding Databases
Using SQL and SQL databases