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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3×÷Õߣº À´Ô´£º ¸üÐÂÈÕÆÚ£º2006-01-04
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9CREATE TABLESPACE data01
10DATAFILE '/ora ......
extent--×îС¿Õ¼ä·ÖÅ䵥λ --tablespace management
block --×îСi/oµ¥Î» --segment management
create tablespace james
datafile '/export/home/oracle/oradata/james.dbf'
size 100M ¡¡¡¡¡¡¡¡¡¡¡¡--³õʼµÄÎļþ´óС¡¡
autoextend On¡¡¡¡¡¡¡¡ --×Ô¶¯Ôö³¤
next 10M¡ ......
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1.ÿÌì¹Ì¶¨Ê±¼äÔËÐУ¬±ÈÈçÔçÉÏ8:10·ÖÖÓ£ºTrunc(Sysdate+1) + (8*60+10)/24*60
2.ToadÖÐÌṩµÄ£º
ÿÌ죺trunc(sysdate+1)
ÿÖÜ£ºtrunc(sysdate+7)
ÿÔ£ºtrunc(sysdate+30)
ÿ¸öÐÇÆÚÈÕ£ºnext_day(trunc(sysdate),'SUNDAY')
ÿÌì6µã£ºtrunc(sysdate+1)+6/24
°ë¸öСʱ£ºsysdate+30/1440
3.ÿ¸ö ......
¶Ô³õѧORACLEµÄÈËһʱºÜÄÑ·ÖÇåORACLEÖйØÓÚ“¿Õ¼ä”µÄ¸ÅÄ±ÈÈç±í¿Õ¼ä ÁÙʱ±í¿Õ¼ä Óû§±í¿Õ¼äµÈ£¬¶ÔÓÚÓÉSQLתµ½ORACLEµÄ¾Í¸ü¼Ó»ìÏýÁË£¬ÈÃÈ˸оõORACLE·±Ëö£»·±ËöÔÚÄĶù£¬ÎÒÕûÀíÂÞÁÐÈçÏ£º
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2.ORACLEµÚÈý·½¹¤¾ßÒ×ÉÏÊÖ£¬µ«ÄÑÉîÈ룻
&n ......
1 spool
spool d:\test\table.dat
select * from table_name;
spool off
2 sqlplus user/password@sid @test.sql > table.dat
test.sql
select * from table_name;
exit; ......