Examlex
By default,the identifier of the entity becomes the foreign key of the corresponding table.
Empirical Approach
A method of inquiry that relies on direct observation and experiment to gather data and evidence.
Independent Variable
An element in research that is manipulated or changed to observe its effect on a dependent variable, thereby testing hypotheses in experimental studies.
Anxiety
A state of agitation and fretfulness, commonly experienced over an approaching happening or an affair with an indeterminate end.
Affiliation
The relationship or connection between individuals or organizations, typically characterized by a shared purpose or common goals.
Q7: The active MySQL database is specified using
Q9: The ideal primary key is short,numeric,and fixed.
Q10: You are given an E-R diagram with
Q15: To place a table in a MySQL
Q16: The classes of all entities to be
Q42: Which SQL keyword is used to change
Q59: An advantage of denormalization is _.<br>A)faster updating<br>B)faster
Q63: A doubly nested set of EXISTS SELECT
Q70: Many-to-many relationships are represented by _.<br>A)two tables
Q98: A relation is in Boyce-Codd Normal Form