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SQL> select dbms_metadata.get_ddl('PROCEDURE','PRO2','SCOTT') text from dual;
TEXT
----------------------------------------
CREATE OR REPLACE PROCEDURE "SCOTT"."P
RO2"
is
begin
dbms_output.put_line('wangpeng up');
end;
SQL> select dbms_metadata.get_ddl('PROCEDURE','PRO1','SCOTT') text from dual;
TEXT
----------------------------------------
CREATE OR REPLACE PROCEDURE "SCOTT"."P
RO1"
is
begin
dbms_output.put_line('wanghai up');
end;
SQL> select * from(
2 SELECT NAME , LINE , 'Create or Replace ' || TEXT as text
3 from USER_SOURCE
4 WHERE TYPE = 'PROCEDURE'
5 AND LINE = 1
6 UNION
7 SELECT NAME, LINE, TEXT as text
8 from USER_SOURCE
9 WHERE TYPE = 'PROCEDURE'
10 AND LINE > 1
11 UNION
12 SELECT NAME, 999999 , '/' as text
13 from USER_SOURCE
14 WHERE TYPE = 'PROCEDURE'
15 AND LINE = 1
16 ORDER BY 1, 2
17 ) c
18 where UPPER(c.text) like '%WANGHAI%';
NAME LINE TEXT
---------- ------- ----------------------------------------
PRO1 4 dbms_output.put_line('wanghai up');
SQL> select * from(
2 SELECT NAME , LINE , 'Create or Replace ' || TEXT as text
3 from USER_SOURCE
4 WHERE TYPE = 'PROCEDURE'
5 AND LINE = 1
6 UNION
7 SELECT NAME, LINE, TEXT as text
8 from USER_SOURCE
9 WHERE TYPE = 'PROCEDURE'
10 AND LINE > 1
11 UNION
12 SELECT NAME, 999999 , '/' as text
13 from USER_SOURCE
14 WHERE TYPE = 'PROCEDURE'
15 AND LINE = 1
16 ORDER BY 1, 2
17 ) c
18 where UPPER(c.text) like '%WANGPENG%';
NAME LINE TEXT
---------- ------- ----------------------------------------
PRO2 4 dbms_output.put_line('wangpeng up');
SQL> select * from(
2 SELECT NAME , LINE , 'Create or Replace ' || TEXT as text
3 from USER_SOURCE
4 WHERE TYPE = 'PROCEDURE'
5 AND LINE = 1
6 UNION
7 SELECT NAME, LINE, TEXT as text
8 from USER_SOURCE
9 WHERE TY


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ORACLE parent latchºÍchildren latch

         About parent vs child latches. There is no fundamental low level difference between parent and child latches, they are all small regions of memory modified with atomic test-and-set style opcodes.
You see parent (and solitary) latches from x$ksll ......

OracleµÄ·ÖÒ³ÏÔʾ

 Õâ¸öOracleµÄ·ÖÒ³ÏÔʾ¾Ý˵ÊÇ×îÂé·³µÄ£¨MySQL×î¼òµ¥£©£¬µ«ÊÇÕâ¸ö·ÖÒ³ÏÔʾºÜÓÐÓá£ÏÖÔںܶàÍøÕ¾ÉϵÄÌõÄ¿¶¼·Ç³£¶à£¬ÀýÈçÐÂÎÅ£¬¿ÉÄܾ͸ոüеľÍÓÐÉϰÙÌõ£¬ÔÙ¼ÓÉÏÒÔǰµÄ£¬Ò»ÕÅÒ³Ãæ¿Ï¶¨¾ÍÊǷŲ»ÏÂÁË£¬ËùÒÔ·ÖÒ³µÄºÃ´¦¾ÍÊÇ¿ÉÒÔ½â¾öÕâ¸öÎÊÌâ¡£
ÏÂÃæÒ»ÅÅÅŵĽÐÄãÑ¡ÔñµÚ¼¸Ò³£¬Ò»Ñ¡Ôñ£¬Ö±½Ó¾ÍÌøµ½ºóÃæµÄ¼¸Ò³È¥ÁË£¬²»ÓÃÕâÑù´ÓÉÏÒ ......

×ªÔØoracle rollupºÍcubeº¯ÊýʹÓÃÐĵÃ

 ×ª×Ô£ºhttp://blog.csdn.net/wangdongzjk/archive/2005/11/18/532424.aspx
ʹØCUBE ROLLUP GROUPING SETS£¨1£©
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¾ÛºÏÊÇÊý¾Ý²Ö¿âµÄ»ù´¡¡£ÎªÁËÌá¸ß¾ÛºÏµÄÐÔÄÜ¡£OracleÌṩÁËGroup By Ìõ¿îµÄÀ©Õ¹¡£
1£® CUBE, ROLLUPÀ©Õ¹
2£® 3¸ögroupingº¯Êý
 ......

Oracle Êý¾Ý¿â¼àÌýÅäÖÃ


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¡¡¡¡¼àÌýÆ÷ÊÇOracle»ùÓÚ·þÎñÆ÷¶ËµÄÒ»ÖÖÍøÂç·þÎñ£¬Ö÷ÒªÓÃÓÚ¼àÌý¿Í»§¶ËÏòÊý¾Ý¿â·þÎñÆ÷¶ËÌá³öµÄÁ¬½ÓÇëÇó¡£¼ÈÈ»ÊÇ»ùÓÚ·þÎñÆ÷¶ËµÄ·þÎñ£¬ÄÇôËüÒ²Ö»´æÔÚÓÚÊý¾Ý¿â·þÎñÆ÷¶Ë£¬½øÐмàÌýÆ÷µÄÉèÖÃÒ²ÊÇÔÚÊý¾Ý¿â·þÎñÆ÷¶ËÍê³ÉµÄ¡£
 
¶þ¡¢±¾µØ·þÎñÃû(Tnsname)
¡¡¡¡Oracle¿Í»§¶ËÓë·þÎñÆ÷¶ËµÄÁ¬½ÓÊÇͨ¹ý¿Í»§¶ ......

an example to insert data into Oracle Clob

 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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