But if you use double quotes to create a quoted identifier, that identifier must always be referenced with double quotes and with the correct case Initially you have to check connection details, after check the oracle service and further more. Table or view does not exist even though user2 does have insert and select privileges on user1.customer table and is correctly prefixing the table with the schema owner name.
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A foreign key value has no matching primary key value
Delete the foreign key or add a matching primary key
This means that there is no matching key in your referenced table The column name entered is either missing or invalid Enter a valid column name A valid column name must begin with a letter, be less than or equal to 30 characters, and consist of only alphanumeric characters and the special characters $, _, and #.
I was trying to connect to the database here in my laptop using oracle toad but i kept on having this error Tns:connect timeout occurred what are the possible reasons why i kept on ha. Resource busy and acquire with nowait specified or timeout expired asked 14 years, 9 months ago modified 1 year, 4 months ago viewed 1.5m times Character string buffer too small asked 12 years, 1 month ago modified 5 years, 4 months ago viewed 743k times
No data found exception for the following query
What are the possibilities of this error Select trim (name) into fullname from ( select n.name from directory. Tns protocol adapter error)issue cause of database connection issue like database, user name and password Once you got the issue
