In which type of file is multiple key retrieval not possible?
Author: Anonymous
A trigger can be used as a security measure in which of the…
A trigger can be used as a security measure in which of the following ways?
The value a field will assume unless the user enters an expl…
The value a field will assume unless the user enters an explicit value for an instance of that field is called a:
The ________ states that no primary key attribute may be nul…
The ________ states that no primary key attribute may be null.
The following figure shows an example of:
The following figure shows an example of:
The following diagram shows:
The following diagram shows:
The following statement is an example of: CREATE TABLE Custo…
The following statement is an example of: CREATE TABLE Customer_t ( CustNmbr number(11,0), CreditLimit number(6,2), CustStart date, CustEnd date, PERIOD for Custperiod(CustStart,CustEnd));
________ do NOT concentrate on determining the requirements…
________ do NOT concentrate on determining the requirements for the database component of an information system.
In the figure below, which attribute is multivalued?
In the figure below, which attribute is multivalued?
The following figure shows an example of:
The following figure shows an example of: