Examlex
The SQL keyword MODIFY is used to change the structure,properties or constraints of a table.
Healthcare Reform
Efforts to improve or overhaul a country's healthcare system to increase access to health services, improve quality, and reduce costs.
Bush Administration
The era identified by George W. Bush’s presidency, notable for the War on Terror, including the Afghanistan and Iraq wars, following the September 11 attacks.
Deputy Defense Secretary
A high-ranking official in the Department of Defense, acting as the second-in-command and assisting the Defense Secretary in policy-making and administrative duties.
Paul Wolfowitz
An American political scientist and government official, known for his service as Deputy Defense Secretary and his instrumental role in the Iraq War strategy.
Q16: To count the number of rows in
Q17: In an E-R model,the three types of
Q23: The SQL keyword CONSTRAINT is used to
Q49: Read-only databases are often updated.
Q59: Entities with an IS-A relationship should have
Q62: A null value can indicate which of
Q70: One advantage of using the CONSTRAINT command
Q77: To eliminate multivalued dependencies,normalize your tables so
Q81: In a correlated subquery,the DBMS can run
Q102: Which of the following is not a