How to create a single index for multiple columns?
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What are virtual columns?
What are the oracle built-in data types?
I have a table that log salary-increase-process have fields: autoid, old_salary, acctno and table EMP: acctno, name, salary I want to list count increase-salary of employees, each have old_salary, new_salary. Help me with SELECT statement, please!
4. Using a set operator, display the creditor number of all creditors who have ever been paid.
Explain the use of owner option in exp command.
Explain what are the advantages of views?
What are dml statements in oracle?
Please help me how to write a Query to change the primary key constraint from 1 attribute to another attribute in a table
How can we manage the gap in a primary key column created by a sequence? Ex:a company has empno as primary key generated by a sequence and some employees leaves in between.What is the best way to manage this gap?
How to rename a tablespace in oracle?
What are the types of partitions in oracle?
How view is different from a table?