How to calculate date and time differences in oracle?
What are inner join and outer join?
What to do if the startbd.bat failed to start the xe instance?
What is flashback in Oracle?
12. Display the client name in upper case only and in lower case only.
We need to compare two successive records of a table based on a field. For example, if the table is CUSTOMER, and the filed is Account_ID, To compare Account_IDs of record1 and record2 of CUSTOMER table, what can be the query ?
What are the parameters that we can pass through a stored procedure?
What is the difference between alert log file and trace file ?
How to define an anonymous procedure without variables?
What does ROLLBACK do ?
What are the various oracle database objects?
What is OCI. What are its uses?
What are the attributes of the cursor?