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Over the past few days, some of our users have encountered a known error message with oracle sqlplus while recovering errors. This problem occurs for many reasons. Now we will discuss them.
Adding the following line before the SQL script search will prevent anyone else from executing the SQL script, but will revert the change if an error occurs.
IF SQLERROR EXIT ALWAYS OCCURRED SQL.SQLCODE ROLLBACK;
Example:
SQL> select * test FROM;
not selected
Serial
SQL> WHEN SQLERROR EXIT SQL.SQLCODE ROLLBACK ;
SQL> is inserted into the value of test ( # 1 );
1 row created.
– Session termination software error
SQL> add test to (‘aaaa’);
be sure to insert (‘aaaa’)
*
ERROR on line 1:
ORA-00928: SELECT keyword
missing
– after an error, the session will be terminated if an error occurs
Disconnected from Oracle database……
– check if it’s possible that the insert has been checked
$sqlplus user/password
SQL*Plus Version 10.2.0.3.0 – Production Wednesday, Tue Sept 2 11:44:08 AM 2008
Copyright (c) 1982, 2006, Oracle. All rights reserved.
Connected to:
Oracle Database 10g Enterprise Edition Version 10.2.0.3.0 – 64-bit Production
With partitioning, OLAP, and data mining options- indicates that the insert is likely, has been cancelled
SQL> select * test FROM;
not selected
All other available WHENEVER SQLERROR:
IF ALWAYS ERROR SQL
RESET
Adding the Sticking with line before running the SQL script will cause the SQL script to terminate at runtime and rollback the change if an error occurs.
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SQL> IF ALWAYS SQLERROR EXIT SQL.SQLCODE ROLLBACK ;
SQL> insert test to find values ​​( 1 );
– An error in the script that interrupted it, see session
SQL> insert test at (‘aaaa’);
Insert test in (‘aaaa’)
*
ERROR on line 1:
ORA-00928: SELECT keyword
missing
– if an error occurs, the session ends
Disconnected from Oracle database……
SQL*Plus Version 10.2.0.3.0 – Production Wednesday, Tue Sept 2 11:44:08 AM 2008
Connected to:
Oracle Database 10g Enterprise Version 10.2.0.3.0 – 64-bit Production
With partitioning, OLAP, and data mining options- TV programs, overlay reset
select SQL> 5. DE test;
Other ways to get WHENEVER SQLERROR:
IF ALWAYS ERROR SQL
variables
Overview
The WHENEVER command controls the behavior of SQL*Plus. whenever an operating system error or sql error occurs. TO Example:
IF ERROR EXIT NOT EXITIF SQLERROR REMAINS EXIT ERROR ROLLBACKIF SQLERROR ALWAYS CONTINUES
Settings
- IF ERROR OCCURRED
-
Use this form of direct command to tell SQL*Plus what to do do everything in case of operating system error.
- IF ALWAYS SQLERROR
-
Use this query form to tell SQL*Plus what to do When an error is returned, it is caused by an SQL statement or PL/SQL.SUCCESS
block
Exit
- Exit with success status.
- EXIT FAILED
-
End with error status.
- EXIT value
-
Exit and return the specified advantage as a status. in the value can be converted to a literal a or to a defined variable.
- EXIT :bind_variable
-
Exit and return the value of a specific binding depends onstatus.
- CONTINUE
-
Don’t close the page if you get a terrible error. This is an arbitrary defect. Steps to take when running SQL*Plus for the first time.
- CLAIM
-
Can be effective for EXIT and CONTINUE. That means SQL*Plus to COMMIT the last transaction on failure occurs. This should be the default behavior when you get EXIT keyword.
- ROLLBACK
-
Can be used with EXIT and CONTINUE and call SQL*Plus rollback the current transaction when a good error occurs happening.
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