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Category: SQL scripts

How to specify 2 arch location to avoid any kind of DB hanging.

Posted on 03-Mar-2010 By Admin No Comments on How to specify 2 arch location to avoid any kind of DB hanging.

Scenario: I wish to configure two locations for log archives in the way that archives should get stored on location “A” and when it gets filled or become unavailable due to any reason then logs should automatically start using location “B” for onward. In short failure of location A should start storing archives on location…

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Oracle, SQL scripts

Sending SQLPLUS output in HTML format

Posted on 17-Feb-201025-May-2023 By Admin No Comments on Sending SQLPLUS output in HTML format

SET MARKUP HTML ON SPOOL ON generates an HTML page for each subsequently spooled file. The HTML tags in a spool file are closed when SPOOL OFF is executed or SQL*Plus exits. You can use SET MARKUP HTML ON SPOOL OFF to generate HTML output suitable for embedding in an existing web page. HTML output…

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Oracle, SQL scripts

Generating XML from SQLPLUS

Posted on 10-Feb-2010 By Admin No Comments on Generating XML from SQLPLUS

set pages 0 set linesize 150 set long 9999999 set head off SQL> select dbms_xmlgen.getxml(‘select employee_id, first_name, 2 last_name, phone_number from employees where rownum < 6') xml 3 from dual 100 Steven King 515.123.4567 101 Neena Kochhar 515.123.4568 102 Lex De Haan 515.123.4569 103 Alexander Hunold 590.423.4567 104 Bruce Ernst 590.423.4568

Oracle, SQL scripts

Query to Generate aggregate on every 30 mins.

Posted on 09-Feb-2010 By Admin No Comments on Query to Generate aggregate on every 30 mins.

select to_char(first_time, ‘RRRRMMDDHH24’), COUNT (CASE WHEN TO_NUMBER(TO_CHAR(FIRST_time, ‘MI’)) 30 THEN 1 ELSE NULL END) COUNT2 FROM V$LOG_HISTORY GROUP BY to_char(first_time, ‘RRRRMMDDHH24’) order by 1 / TO_CHAR(FI COUNT1 COUNT2 ———- ———- ———- 2010020906 3 1 2010020907 3 1 2010020908 3 1 2010020909 3 1 2010020910 3 1 2010020911 3 1 2010020912 3 1 2010020913 3 1…

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Oracle, SQL scripts

Distributed Transaction Troubleshooting.

Posted on 08-Feb-2010 By Admin No Comments on Distributed Transaction Troubleshooting.

SQL> select * from sys.pending_trans$ where local_tran_id = ‘26.2.2712168’; no rows selected SQL> select * from sys.pending_sessions$ where local_tran_id = ‘26.2.2712168’; no rows selected SQL> select * from sys.pending_sub_sessions$ where local_tran_id = ‘26.2.2712168’; no rows selected SQL> select * from dba_2pc_neighbors; no rows selected SQL> select * from dba_2pc_pending; no rows selected SQL> commit force…

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Oracle, SQL scripts

Pending Transaction Neighbors Script

Posted on 03-Feb-2010 By Admin No Comments on Pending Transaction Neighbors Script

COL LOCAL_TRAN_ID FORMAT A13 COL IN_OUT FORMAT A6 COL DATABASE FORMAT A25 COL DBUSER_OWNER FORMAT A15 COL INTERFACE FORMAT A3 SELECT LOCAL_TRAN_ID, IN_OUT, DATABASE, DBUSER_OWNER, INTERFACE FROM DBA_2PC_NEIGHBORS / SQL> CONNECT SYS@hq.acme.com AS SYSDBA SQL> @neighbors_script LOCAL_TRAN_ID IN_OUT DATABASE DBUSER_OWNER INT ————- —— ————————- ————— — 1.15.870 out SALES.ACME.COM SYS C

Oracle, SQL scripts

Pending Distributed Transations

Posted on 03-Feb-2010 By Admin No Comments on Pending Distributed Transations

COL LOCAL_TRAN_ID FORMAT A13 COL GLOBAL_TRAN_ID FORMAT A30 COL STATE FORMAT A8 COL MIXED FORMAT A3 COL HOST FORMAT A10 COL COMMIT# FORMAT A10 SELECT LOCAL_TRAN_ID, GLOBAL_TRAN_ID, STATE, MIXED, HOST, COMMIT# FROM DBA_2PC_PENDING /

Oracle, SQL scripts

Good Oracle Architecture In Short and point to point

Posted on 02-Feb-2010 By Admin No Comments on Good Oracle Architecture In Short and point to point

http://www.toadworld.com/KNOWLEDGE/KnowledgeXpertforOracle/tabid/648/TopicID/2471975d4f31c8aa/Default.aspx

Oracle, SQL scripts

sqlnet.ora paramters

Posted on 30-Jan-2010 By Admin No Comments on sqlnet.ora paramters

-Default order of NAMES. DIRECTORY_PATH is TNSNAMES, OID, HOSTNAME in sqlnet.ora. -EZCONNECT is available after 10g onwards. -Make sure Names.default_domain is set property to avoid any kind of client connectivity issues.

Oracle, SQL scripts

TNSNAMES entries details

Posted on 30-Jan-2010 By Admin No Comments on TNSNAMES entries details

Option: Try each address, in order, until one succeeds ( Failover only). By default failover=true if you have more than one entry in address list. ============================================================================= MEHTA = (DESCRIPTION = (ADDRESS_LIST = (ADDRESS = (PROTOCOL = TCP)(HOST = NYBOX)(PORT = 1555)) (ADDRESS = (PROTOCOL = TCP)(HOST = FLBOX)(PORT = 1600)) ) (CONNECT_DATA = (SERVICE_NAME =…

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Oracle, SQL scripts

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