represents a connection (session) with a specific
database. Within the context of a Connection, SQL statements are
executed and results are returned.
A Connection's database is able to provide information
describing its tables, its supported SQL grammar, its stored
procedures, and the capabilities of this connection. This
information is obtained with the
XConnection::getMetaData()
method.
Note:
By default the Connection automatically commits
changes after executing each statement. If auto commit has been
disabled, an explicit commit must be done or database changes will
not be saved.
controls the chaining of warnings, which may occur on every call
to the connected database. Chained warnings from previous calls will be
cleared before processing a new call.
controls the chaining of warnings, which may occur on every call
to the connected database. Chained warnings from previous calls will be
cleared before processing a new call.