What is the difference between INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL JOIN?
• INNER JOIN: Returns only matching rows from both tables.
• LEFT JOIN: Returns all rows from the left table and matching rows from the right.
• RIGHT JOIN: Returns all rows from the right table and matching rows from the left.
• FULL JOIN: Returns all rows from both tables, filling in missing values with NULLs.
| Is This Answer Correct ? | 0 Yes | 0 No |
What is the difference between implicit index and explicit index?
Explain integrity constraint?
How can we view last record added to a table?
Hello All, Could any one provide me FAQs/interview questions on oracle PL/SQL
What are the trigger associated with image items ?
What is the usage of analyze command in oracle?
Find all employees in Dept “Marketing”.
What is Private Database Link ?
Illustrate how to determine the amount of physical CPUs a Unix Box possesses (LINUX and/or Solaris).
How to execute a stored procedure in oracle?
What is oracle datasource?
How do you rate yourself in oracle and sql server ?