oracle sql ldr 的用法
sqlldr 命令使用步骤: 1. 用 对应的sql 语句生成 table ; 2. 执行sqlldr :如: D:oracleora92bin>sqlldr userid=test/1234@ora9i control=d:tempCCSSO_AGGR.ldr[10:08:22 AM] bj_hanshuying: 我刚给创建了一个table[@more@]
oracle Functions using
1. rank()over(order by colName)A sample case:select colA, colB from(select colA, rank()over(order by colA) ra from A) aa,(select colB, rank()over(order by colB) rb from A) bbwhere aa.ra=bb.rb(+)[@more@]
Oracle 常用命令汇总
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用java 写入BLOB
import java.io.*;import java.sql.*;public class blvb{public static void main(String[] args){try {if(args.length != 2){System.out.println("Usage:");System.out.println("java lvb <Update Key Value> <GIF/BMP/JPG file path>");System.exit(0);} Class.forName("oracle.jdbc.driver.OracleDriver");Connection connection = DriverManager.getConnection("jdbc:oracle:thin:@DataBaseName:1521:InstanceName", "test", "1234");PreparedStatement pst