此程序都是企业级 的数据库开发程序 全面揭示了JAVA对数据库的操作

				drop table RECORDINGS;
				
				drop sequence RECORDINGS_SEQ;
				
				create table RECORDINGS (
				        RECORDING_ID INT not null,
				        RECORDING_TITLE VARCHAR2(50) not null,
				        RECORDING_ARTIST VARCHAR2(50) not null,
				        CATALOG_NUMBER VARCHAR2(20) not null,
				        LIST_PRICE DECIMAL(7,2) not null, 
				        VERSION INT not null, 
				        constraint RECORDINGS_PK primary key (RECORDING_ID) ); 
				
				create sequence RECORDINGS_SEQ;