I have a problem when try to select data from a table filtering by date. For example: The Oracle Error is: Probably the source data of table is corrupted, in this case: How can i solve this problem? Can I change this dates for null? The results of this select, select * from nls_session_parameters; , is:
I deleted the ojdbc14.jar file and used ojdbc6.jar instead and it worked for me
One-to-one: Use a foreign key to the referenced table: You must also put a unique constraint on the foreign key column (addess.student_id) to prevent multiple rows in the child table (address) from relating to the same row in the referenced table (student). One-to-many: Use a foreign key on the many side of the relationship linking back … Read more
I have switched over to the 64bit Windows 7 and created a simple web app to test the connection to the database. I am using VS 2010 – plain asp.net web project and I am running the application from within VS. I am getting this error: “ORA-12154 could not resolve the connect identifier specified” I … Read more
The user and password are DEFINITELY incorrect. Oracle 11g credentials are case sensitive. Try ALTER SYSTEM SET SEC_CASE_SENSITIVE_LOGON = FALSE; and alter password. http://oracle-base.com/articles/11g/case-sensitive-passwords-11gr1.php
I just installed Oracle, and it was missing the Scott schema. So i am trying to generate it myself. I got the sql script of Scott schema, but when i try to run the query: it displays the following error: ORA-65096: invalid common user or role name in oracle. Basically it is not allowing me to … Read more
I have been looking at this code for the past two days now and I can not seem to get it to work. It keeps giving me ORA-00907: missing right parenthesis. I know that this is a topic that comes up a lot but for some reason none of the examples I have seen has … Read more
You must put all columns of the SELECT in the GROUP BY or use functions on them which compress the results to a single value (like MIN, MAX or SUM). A simple example to understand why this happens: Imagine you have a database like this: and you run SELECT * FROM table GROUP BY foo. … Read more
Oracle does not allow joining tables in an UPDATE statement. You need to rewrite your statement with a co-related sub-select Something like this: For a complete description on the (valid) syntax of the UPDATE statement, please read the manual: http://docs.oracle.com/cd/E11882_01/server.112/e26088/statements_10008.htm#i2067715
I had this issue and the fix was to make sure in tnsnames.ora the SERVICE_NAME is a valid service name in your database. To find out valid service names, you can use the following query in oracle: Once I updated tnsnames.ora to: then I ran: Success! The listener is basically telling you that whatever service_name … Read more