Examlex
In order to enforce referential integrity constraints when converting a generalization hierarchy,the ON DELETE CASCAED option should be specified for actions on referenced rows.
Fault Scarps
Steep slopes or cliffs formed by the displacement of the Earth’s surface along a fault, often visible after earthquakes.
Lava Flow
The movement of molten rock expelled by a volcano during an eruption that solidifies as it cools, often forming distinctive geological formations.
Mineralization
The process by which minerals form and are deposited in the structure of rocks or in the bodies of living organisms.
Erosion and Weathering
Processes by which rock is broken down and carried away by natural forces such as water, wind, or ice.
Q1: Which of the following statements is true
Q4: The following is a functional dependency in
Q5: Named relationships are found in both relational
Q11: SELECT CID FROM RENTALS GROUP BY CID<br>HAVING
Q23: The complexity of an individual database can
Q35: SQL:2003,the most current standard for SQL,specifies a
Q42: The concept of _ for a database
Q58: What are the benefits of good public
Q63: In the processing of an SQL statement
Q69: The HAVING and GROUP BY clauses can