A server query language is designed so that users can retrieve specific information from a database. As a software developer, you should have some knowledge of the use of such languages. Do you believe you understand SQL...
Questions: 42 | Attempts: 10773 | Last updated: Mar 22, 2022
Which SQL function is used to count the number of rows in a SQL query?
Are you learning the Oracle software? Do you want to test your knowledge about Oracle? Try this interesting and well-researched Oracle mock test 2 (SQL + Arch). With this test, you'll get the chance to test your understanding...
Questions: 23 | Attempts: 5494 | Last updated: May 10, 2022
Which SELECT statement should you use if you want to display unique combinations of thePOSITION and MANAGER values from the EMPLOYEE table?