How to join two tables in a single query using oracle?
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Is there any function in oracle similar like group_concat of mysql?
What is coalesce function?
What is an Integrity Constrains ?
how to retrieve daily sal from emp table in oracle 10g
find the second highest salary of the emp table
What is an oracle table?
What is Library Cache in Oracle?
How many categories of data types?
I have my backup RMAN script called backup_rman.sh. I am on the target database. My catalog username/password is rman/rman. My catalog db is called rman. How would you run this shell script from the O/S such that it would run as a background process?
How would you optimize a slow SQL query?
State and explain the different types of data models?
What is the diff between Oracle and SQL Server