Examlex
The multivalued dependency noted as A → → B,means that the value of A determines a set of values of B.
Anxiety Disorder
A condition affecting mental well-being, manifested through severe anxiety, worry, or fear, which hampers routine tasks.
Personal Insecurity
Feelings of uncertainty or anxiety about oneself; a lack of confidence in one's abilities or self-worth.
DSM-5
The fifth edition of the Diagnostic and Statistical Manual of Mental Disorders, a widely used tool for diagnosing mental disorders.
Field Trials
Tests conducted under real-life conditions to evaluate the effectiveness or performance of new products or techniques.
Q4: Entities containing optional sets of attributes are
Q19: Attributes preceded by a + are public.
Q25: A database design is rarely a redesign
Q28: For triggers on insert and update actions,the
Q37: A tuple is also known as a(n)_.<br>A)table<br>B)relation<br>C)row<br>D)field<br>E)file
Q64: The disadvantages of normalization include _.<br>A)the elimination
Q69: In database systems,the DBMS _.<br>A)inserts data<br>B)modifies data<br>C)reads
Q74: SQL statements end with a colon.
Q77: A null value in a column may
Q97: Database views can only be created in