In this exercise, you start with a basic JDBC program (JDBCPrimer.java), then learn how to programmatically get the JDBC version, implement both Implicit and Explicit Statement Cache, and Query Change Notificat
create table basic_lob_table (x varchar2 (30), b blob, c clob); / . 通过创建引用 Java 类方法的 TrimLobProc PL/SQL 调用规范发布 Java 类方法。在 TrimLobProc PL/SQL 规范内部,指定 Java 类方法的名称及其参数。这一过程被称为“发布” Java 类方法。 create or replace procedure TrimLobPro...
SQL Server 类型JDBC 类型 (java.sql.Types)Java 语言类型 bigintBIGINTlong binaryBINARYbyte[] bitBITboolean charCHARString dateDATEjava.sql.Date datetime3TIMESTAMPjava.sql.Timestamp datetime2TIMESTAMPjava.sql.Timestamp datetimeoffset2microsoft.sql.Types.DATETIMEOFFSETmicrosoft.sql.DateTimeOffset ...
it is possible to retrieve any of the basic SQL types with it. Getting all values withgetStringcan be very useful, but it also has its limitations. For instance, if it is used to retrieve a numeric type,getStringconverts the numeric value to a JavaStringobject, and the value has...
Java importjava.sql.Connection;importjava.sql.Date;importjava.sql.DriverManager;importjava.sql.PreparedStatement;importjava.sql.ResultSet;importjava.sql.SQLException;importjava.sql.Statement;importjava.sql.Time;importjava.sql.Timestamp;importcom.microsoft.sqlserver.jdbc.SQLServerResultSet;importmicro...
The Swing chapters discuss various aspects of working with a GUI, from the very basic concepts of developing a Swing application, to the most advanced topics, such as decorating a Swing component with a JLayer, drag-and-drop features, Synth Skinnable L&F, etc. The chapter on network ...
The basic structure of the Java class looks like this: package com.mcnz.jdbc.hsql; import java.sql.*; public class JdbcExample { public static void main(String[] args) throws Exception { // JDBC HSQL tutorial code goes here } }
public static final java.lang.String CONNECTION_PROPERTY_EDITION_NAME "oracle.jdbc.editionName" public static final byte CONNECTION_PROPERTY_EDITION_NAME_ACCESSMODE 3 public static final java.lang.String CONNECTION_PROPERTY_ENABLE_DATA_IN_LOCATOR "oracle.jdbc.enableDataInLocator" public static final byt...
The Oracle Database Lite JDBC driver contains the basicDataSourceimplementation to produce a standardConnectionobject. The retrieved connection is identical to a connection obtained through theDriverManager. Oracle Database Lite implementsjavax.sql.DataSourceinterface with thePOLJDBCDataSourceclass in theorac...
SEVEREIndicates a serious failure and is the highest level of logging. In the JDBC driver, this level is used for reporting errors and exceptions. WARNINGIndicates a potential problem. INFOProvides informational messages. FINEProvides tracing information including basic object creation and destruction. ...