weblogicÏÂÔÚOracleÖд洢clobÀàÐÍÒ»Àý
String sql = "select t.FILE_INFO from T_FILE_DB_DETAIL t where t.id= "
+ fileDBUpDownDetail.getId() + " for update";
rs = stmt.executeQuery(sql);
if (rs.next()) {
// ÔÚweblogicϲ¿Êðʱ£¬ÐèÒª¸ü¸ÄΪBea WebLogic BLOB¸ñʽ
// weblogic.jdbc.vendor.oracle.OracleThinBlob blob = (weblogic.jdbc.vendor.oracle.OracleThinBlob) rs
// .getBlob(1);
BLOB blob = (BLOB) rs.getBlob(1);
if (blob != null) {
out = blob.getBinaryOutputStream();
byte[] buf = new byte[8192];// 8K »º´æ
int len;
while ((len = fileInputStream.read(buf)) > 0) {
if (out != null) {
out.write(buf, 0, len);
out.flush();
}
}
}
}
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SQL> show all --²é¿´ËùÓÐ68¸öϵͳ±äÁ¿Öµ
SQL> show user --ÏÔʾµ±Ç°Á¬½ÓÓû§
SQL> show error¡¡¡¡ --ÏÔʾ´íÎó
SQL> set heading off --½ûÖ¹Êä³öÁбêÌ⣬ĬÈÏֵΪON
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SELECT /*+ rule */ s.username,
decode(l.type,'TM','TABLE LOCK',
'TX','ROW LOCK',
NULL) LOCK_LEVEL,
o.owner,o.object_name,o.object_type,
s.sid,s.serial#,s.terminal,s.machine,s.program,s.osuser
from v$session s,v$lock l,dba_objects o
WHERE ......