Which operation in relational algebra is used to create a new relation that includes all the rows from two given relations?
Union
What does the SQL keyword "DISTINCT" do?
The major drawback of RAD model is __________.
Which of the following is not a commonly used lock-based concurrency control protocol in a DBMS?
The CPU control unit typically generates control signals for various components within the CPU, including the:
During which phase are process specifications typically defined?
Which network topology connects all devices in a linear chain?
A problem is NP-complete if:
What is the purpose of virtual memory?
Which key is used for decryption in public key cryptography?