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Cert Obj Construct and Use RowSet Objects

[9.5.1] JdbcRowSet provides a JavaBean view of a ResultSet RowSet an interface adds support to JDBC API for JavaBeansTM component model.
[9.5.2] Multiple sub-interfaces of RowSet interface? 5 more subinterfaces : JdbcRowSet, CachedRowSet, WebRowSet, JoinRowSet, FilteredRowSet + implementation classes.
[9.5.3] How RowSet is used A RowSet, which can be used as a JavaBeans component in a visual Bean development environment, can be created and configured at design time and executed at run time.
[9.5.4] RowSet provides RowSet interface provides a set of JavaBeans properties that allow a RowSet instance to be configured to connect to a JDBC data source and read some data from the data source.
[9.5.5] RowSet setters A group of setter methods (setInt, setBytes, setString, and so on) provide a way to pass input parameters to a RowSet's command property. This command is the SQL query the RowSet uses when it gets its data from a relational database,
[9.5.6] RowSet support for events The RowSet interface supports JavaBeans events, allowing other components in an application to be notified when an event occurs on a RowSet, such as a change in its value.
[9.5.7] Unique how? The RowSet interface is unique in that it is intended to be implemented using the rest of the JDBC API. RowSet implementation is a layer of software that executes "on top" of a JDBC driver. RowSet interface impl can be provided by anyone, including JDBC driver vendors who want to provide a RowSet implementation as part of their JDBC products.
[9.5.8] A connected RowSet. RowSet object may make a connection with a data source and maintain that connection throughout its life cycle
[9.5.9] A RowSet may also make a connection with a data source, get data from it, and then close the connection. Such a RowSet is called a disconnected RowSet A disconnected RowSet may make changes to its data while it is disconnected and then send the changes back to the original source of the data, but it must reestablish a connection to do so.
[9.5.10] A disconnected RowSet may have a reader (a RowSetReader object) associated with it. The reader may be implemented in many different ways to populate a RowSet with data, including getting data from a non-relational data source.
[9.5.11] A disconnected RowSet may have a writer (a RowSetWriter object) associated with it. The writer can also be implemented in many different ways to propagate changes made to the RowSet's data back to the underlying data source.
[9.5.12] The RowSet interface extends the standard java.sql.ResultSet interface. The RowSetMetaData interface extends the java.sql.ResultSetMetaData interface. Thus, developers familiar with the JDBC API will have to learn a minimal number of new APIs to use rowsets. In addition, third-party software tools that work with JDBC ResultSet objects will also easily be made to work with RowSet(s).
[9.5.13] ResultSetMetaData rsmd = resultSet.getMetaData(); rsmd.getColumnName(x) // x should be 1 or more!
[9.5.14] Basic code structure for use RowSets RowSetFactory rsf = RowSetProvider.newFactory); CachedRowSet studentRS = rsf.createCachedRowSet(); studentRS.setCommand("select SID, NAME from STUDENT2"); studentRS.execute(c); //at this point studentRS contains the data returned by the query.
[9.5.15] absolute takes an int either positive or negative positive from first and negative from last
Created by: MVK2013