Java Data Access—JDBC, JNDI, and JAXP phần 6 doc

... with JAXP Chapter 19: Accessing Data with Enterprise JavaBeans 203 Chapter 13: Accessing Enterprise Data with JNDI In This Chapter Introducing naming and directory services• Understanding the Java ... results. Row Number=1, SSN: 5 866 69377, Name: Andy, Hiredate: 2001−04−23, Salary: $1400.51 Close and open database connection then verify open connection. Closing SqlStatement! Cl...

Ngày tải lên: 14/08/2014, 06:21

... of the actual data (such as its data types). The JDBC API enables you to uncover metadata about a database and a query’s result set using the DatabaseMetaData and ResultSetMetaData interfaces, ... Sets 107 Chapter 7: Understanding JDBC Data Types In This Chapter Mapping Java data types to JDBC data types• Mapping JDBC data types to Java data types• Using the getXXX(),...

Ngày tải lên: 14/08/2014, 06:21

... 135 ResultSetMetaData example 1 36 The DatabaseMetaData Interface 140 Creating DatabaseMetaData objects 141 Using DatabaseMetaData objects 141 DatabaseMetaData example 144 Summary 149 Part III: Using Java Data ... Pooling 360 Data Type Enhancements 361 Appendix B: Java Database Programming on Linux 362 JVMs for Linux 362 Databases for Linux 363 Relational Database Management Syst...

Ngày tải lên: 14/08/2014, 06:21

... the methods and properties that enable you to send commands and receive data from your database. They also define methods that help bridge data type differences between Java and SQL data types ... “Understanding JDBC Data Types,” covers SQL and Java data type issues and their compatibility. The ResultSet object uses a cursor to point to rows in the result set. To acces...

Ngày tải lên: 14/08/2014, 06:21

... 1995−09− 16 100 98 765 4321 John 4351.00 19 96 12−31 500 868 653391 Greg 4351.00 19 96 12−31 500 1234 567 89 Jimmy 3080.00 1997−09−07 400 31 265 4987 Lori 2000.95 1999−01−11 300 4198 765 41 Larry 1500.00 ... position. Listing 6 1: StandardRs .java package Chapter6; import java. sql.*; public class StandardRs { public static void main(String[] args) { //Declare Connection, Statement, a...

Ngày tải lên: 14/08/2014, 06:21

... DriverManager.getConnection(jdbcUrl,user,pwd); //Initialize a DatabaseMetaData object DatabaseMetaData dmd = conn.getMetaData(); //Retrieve database name and version String dbname = dmd.getDatabaseProductName(); dbname ... java. sql.Statement; import java. sql.DriverManager; import java. sql.SQLException; import java. sql.DatabaseMetaData; public class DBMetaData { public static v...

Ngày tải lên: 14/08/2014, 06:21

... InitialContext(env); //Bind the DataSource object bindDataSource(ctx, dataSourceName); //Retrieve the DataSource object DataSource ds = null; ds = (DataSource) ctx.lookup(dataSourceName); //Open ... View and update data in disconnected environments• Take advantage of JavaBean technology, for example by using standard setter and getter methods for configuring and retrieving pro...

Ngày tải lên: 14/08/2014, 06:21

... logic. Java servlets and JavaServer Pages (JSP) are server−side Sun Java technologies used to develop high−performance and highly scalable enterprise Web applications. Servlets and JSP are Java based, ... result set data. As I illustrated in Listing 16 1, using a JdbcRowSet object to retrieve data from a data source requires only a few objects and steps. Although it is simp...

Ngày tải lên: 14/08/2014, 06:21

... to establish a database connection. Listing 17−3: DatabaseBean .java // Java Data Access: JDBC, JNDI, and JAXP // Chapter 17 − Web Applications and Data Access // DatabaseBean .java package Chapter18; import ... schema) and the XML document complies with it. Once you have established that the XML document is well formed and valid, you want to process the document and its...

Ngày tải lên: 14/08/2014, 06:21

... Source. Java based, somewhat ODMG−compliant. Appendix B: Java Database Programming on Linux 364 Metadata JDBC 3.0 enhances the metadata interfaces to provide more information about the data source and ... CustomerBean .java import java. io.Serializable; import java. util.Enumeration; import java. util.Vector; import javax.ejb.*; import javax.naming.InitialContext; import javax.na...

Ngày tải lên: 14/08/2014, 06:21