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資源簡介

朋友手工制作,derby數據庫和其他數據庫的轉換工具,簡易實用。高手可直接用命令提示符便可使用該工具

資源截圖

代碼片段和文件信息

package?com.ibm.crl.dis.util;

import?java.io.File;
import?java.io.FileOutputStream;
import?java.io.OutputStream;
import?java.sql.Clob;
import?java.sql.Connection;
import?java.sql.DriverManager;
import?java.sql.ResultSet;
import?java.sql.ResultSetmetaData;
import?java.sql.Statement;
import?java.util.ArrayList;
import?java.util.HashMap;
import?java.util.linkedList;
import?java.util.List;
import?java.util.Map;

//流程:放在eclipse下執行,生成derby.sql的文件,導入derby的驅動,以下省略若干字

public?class?GenerateInsertSql?{

public?static?void?generateInsertSql(Map?map)?throws?Exception?{

//?db2
//?String?sql?=
//?“select?name?from?sysibm.systables?where?creator=‘“+(String)
//?map.get(“SRCSCHEMA“)+“‘“;
//?derby
String?sql?=?“select?a.tablename?from?sys.systables?a?sys.sysschemas?b?where?b.schemaname=‘APP‘?AND?a.schemaid=b.schemaid?“;
List?tables?=?querySql(sql);

File?f?=?new?File((String)?map.get(“FILEPATH“));
OutputStream?os?=?new?FileOutputStream(f);
for?(String?table?:?tables)?{
byte[]?bs?=?insertSql((String)?map.get(“SRCSCHEMA“)?table);
os.write(bs);
}
os.close();

}

public?static?List?querySql(String?sql)?throws?Exception?{
List?list?=?new?ArrayList();
Connection?conn?=?getConnection();
Statement?stmt?=?null;
ResultSet?rst?=?null;
if?(conn?==?null)
return?null;
stmt?=?conn.createStatement(ResultSet.TYPE_FORWARD_ONLY
ResultSet.CONCUR_UPDATABLE);
rst?=?stmt.executeQuery(sql);
int?n?=?rst.getmetaData().getColumnCount();
while?(rst.next())?{
for?(int?i?=?1;?i?<=?n;?i++)?{
System.out.println(rst.getmetaData().getColumnName(i)?+?“????“
+?rst.getString(i));
list.add(rst.getString(i));
}
}
conn.close();
return?list;
}

public?static?byte[]?insertSql(String?schemaName?String?tableName)
throws?Exception?{

StringBuffer?tablesql?=?new?StringBuffer();
//?if?(tableName.equals(“MAIN_ITEM_SYS“)
//?||?tableName.equals(“BILL_LSH_SYS“)
//?||?tableName.equals(“base_DATA_SYS“)
//?||?tableName.equals(“CLASSES“)
//?||?tableName.equals(“base_MENU_FEATURE“)
//?||?tableName.equals(“MENU“))?{
if?(tableName.equals(“main_sale_data“.toUpperCase())
||?tableName.equals(“vice_sale_data“.toUpperCase())
||?tableName.equals(“tenant“.toUpperCase()))?{
//?if(!tableName.startsWith(“V_“)){
String?sql?=?“select?*?from?“?+?schemaName?+?“.“?+?tableName;
Connection?conn?=?getConnection();
Statement?stmt?=?null;
ResultSet?rst?=?null;
List?resultList?=?new?linkedList();
try?{
stmt?=?conn.createStatement(ResultSet.TYPE_FORWARD_ONLY
ResultSet.CONCUR_UPDATABLE);
rst?=?stmt.executeQuery(sql);
}?catch?(Exception?e)?{
System.out.print(“insertSql:stmt.executeQuery?error:“?+?sql);
e.printStackTrace();
}
ResultSetmetaData?rsmd?=?rst.getmetaData();
int?length?=?rsmd.getColumnCount();
StringBuffer?sb?=?new?StringBuffer();

s

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件????2446767??2011-02-11?15:00??derby轉sql工具\derby.jar

?????文件?????514328??2011-02-11?15:20??derby轉sql工具\derbyclient.jar

?????文件???????5852??2011-02-11?15:00??derby轉sql工具\GenerateInsertSql.java

?????文件????????248??2011-03-18?10:31??derby轉sql工具\使用方法.txt

?????目錄??????????0??2011-03-18?10:26??derby轉sql工具

-----------?---------??----------?-----??----

??????????????2967195????????????????????5


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