C#±¸·ÝOracle´úÂë
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/// <summary>
/// Êý¾Ý¿â±¸·Ý
/// </summary>
/// <param name="fileName">dmpÎļþÃû³Æ</param>
/// <param name="logFileName">logÎļþÃû³Æ</param>
/// <returns>true:±¸·Ý³É¹¦;false:±¸·Ýʧ°Ü</returns>
public static bool DBBackup(string dmpFileName, string logFileName)
{
// ·µ»ØÖµ
bool result = false;
// ±¸·ÝÃüÁî,´ÓxmlÎļþÖлñÈ¡ "/c EXP Óû§Ãû/ÃÜÂë@Êý¾Ý¿â·þÎñÃû FULL=Y INCTYPE=COMPLETE "
string backupCmd = MsgXml.GetConfig(XMLKey.BackupCommand.ToString());
// cmdÖÐÊäÈëµÄ²ÎÊýÄÚÈÝ
string arg = backupCmd + " FILE= " + dmpFileName + " LOG= " + logFileName;
try
{
// Èç¹ûdmpÎļþ²»´æÔÚ£¬´´½¨Îļþ²¢ÊÍ·Å
if (!File.Exists(dmpFileName))
{
File.Create(dmpFileName).Dispose();
}
// Èç¹ûlogÎļþ²»´æÔÚ£¬´´½¨Îļþ²¢ÊÍ·Å
if (!File.Exists(logFileName))
{
File.Create(logFileName).Dispose();
}
// ¿ªÆôнø³Ì
Process process = new Process();
// ´ò¿ªÔËÐÐcmd
process.StartInfo.FileName = "cmd.exe";
// ÒªÔËÐеÄÃüÁî
process.StartInfo.Arguments = arg;
// ¹Ø±ÕshellµÄʹÓÃ
process.StartInfo.UseShellExecute = false;
// Öض¨Ïò±ê×¼ÊäÈë
process.StartInfo.RedirectStandardInput = true;
process.StartInfo.RedirectStandardError = true;
// ÉèÖò»ÏÔʾcmdÔËÐнçÃæ
process.StartInfo.CreateNoWindow = true;
// Æô¶¯½ø³Ì
process.Start();
// TODO ½ø³ÌÌõ ÕýÔÚ±¸·Ý£¬ÇëÉÔºò...
pr
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Step1. Insert empty_clob() into the Clob column of Oracle
Step2. Set autocommit to false
Step3. Select Clob as oracle.sql.CLOB from database
Step4. Insert String into Clob
Step5. Commit
Example:
import java.sql.*;
import java.io.*;
import oracle.jdbc.driver.OracleResultSet;
......
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¶àÐÐ:·µ»Ø¶à¸ö½á¹û,any,all
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lower:ת»»ÎªÐ¡Ð´
Select ENAME,LOWER(ENAME) from EMP
upper:ת»»Îª´óд
Select upper( ......
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