9i Error Ora
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Last updated: April 22, 2016 - 4:40 am UTC Category: SQL*Plus – Version: 9.2.0 Latest Followup You Asked i'm running oracle on standalone computer at home.it ora 12560 tns protocol adapter error windows used to work properly but from couple of days i'm getting ora 12560 tns protocol adapter error 11g client error stating "ORA-12560: TNS:protocol adapter error " what should i do? please help.. (scott/tiger) and we said... ora-12560 sqlplus sounds like the database is not up. you probably restarted your machine and the instance is not set to autostart C:\Documents and Settings\tkyte>sqlplus scott/tiger SQL*Plus: Release 10.1.0.4.0 - ora-12560 tns protocol adapter error sqlplus 11g Production on Thu Sep 6 15:43:55 2007 Copyright (c) 1982, 2005, Oracle. All rights reserved. Connected to: Oracle Database 10g Enterprise Edition Release 10.1.0.4.0 - Production With the Partitioning, OLAP and Data Mining options scott%ORA10GR1> exit Disconnected from Oracle Database 10g Enterprise Edition Release 10.1.0.4.0 - Production With the Partitioning, OLAP and Data Mining options C:\Documents and
Ora-12560 Windows
Settings\tkyte>net stop oracleserviceora10gr1 The OracleServiceORA10GR1 service is stopping......... The OracleServiceORA10GR1 service was stopped successfully. C:\Documents and Settings\tkyte>sqlplus scott/tiger SQL*Plus: Release 10.1.0.4.0 - Production on Thu Sep 6 15:44:35 2007 Copyright (c) 1982, 2005, Oracle. All rights reserved. ERROR: ORA-12560: TNS:protocol adapter error Enter user-name: ERROR: ORA-12560: TNS:protocol adapter error Enter user-name: ERROR: ORA-12560: TNS:protocol adapter error SP2-0157: unable to CONNECT to ORACLE after 3 attempts, exiting SQL*Plus C:\Documents and Settings\tkyte>net start oracleserviceora10gr1 The OracleServiceORA10GR1 service is starting.......... The OracleServiceORA10GR1 service was started successfully. C:\Documents and Settings\tkyte>sqlplus scott/tiger SQL*Plus: Release 10.1.0.4.0 - Production on Thu Sep 6 15:45:12 2007 Copyright (c) 1982, 2005, Oracle. All rights reserved. Connected to: Oracle Database 10g Enterprise Edition Release 10.1.0.4.0 - Production With the Partitioning, OLAP and Data Mining options scott%ORA10GR1> in the above ora10gr1 is my oracle sid, you can use control panel instead - control panel -> services -> look for the services starting with Oracle. Reviews Write a Review Another method September 10, 2007 - 3:15 am UTC Reviewe
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Tns-00530: Protocol Adapter Error
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ORA-01555 Snapshot Too Old Oracle tips by Burleson The ORA-01555 is caused by Oracle read consistency mechanism. If you have a long running SQL that starts at 10:30 AM, Oracle ensures that all rows are as they appeared at 10:30 AM, even if the query runs until noon! Oracles does this by reading the "before image" of changed rows from the online undo segments. If you have lots of updates, long running SQL and too small UNDO, the ORA-01555 error will appear. From the docs we see that the ORA-01555 error relates to insufficient undo storage or a too small value for the undo_retention parameter: ORA-01555: snapshot too old: rollback segment number string with name "string" too small Cause: Rollback records needed by a reader for consistent read are overwritten by other writers. Action: If in Automatic Undo Management mode, increase the setting of UNDO_RETENTION. Otherwise, use larger rollback segments. You can get an ORA-01555 error with a too-small undo_retention, even with a large undo tables. However, you can set a super-high value for undo_retention and still get an ORA-01555 error. Also see these important notes on commit frequency and the ORA-01555 error The ORA-01555 snapshot too old error can be addressed by several remedies: Re-schedule long-running queries when the system has less DML load. Increasing the size of your rollback segment (undo) size. The ORA-01555 snapshot too old also relates to your setting for automatic undo retention. Don't fetch between commits. Avoiding the ORA-01555 error Steve Adams has good notes on avoiding the ora-1555 snapshot too old error: Do not run discrete transactions while sensitive queries or transactions are running, unless you are confid