Examlex
When transforming an ID-dependent E-R data model relationship into a relational database design and the child entity is designed to use a surrogate key,then the relationship changes to a weak but not ID-dependent relationship.
Open-ended Questions
Questions formulated to elicit responses that are not limited to predefined options, allowing for more nuanced and detailed answers.
Closed-ended Questions
Questions designed to elicit a specific, limited response from a range of predetermined options, facilitating easier analysis of survey or questionnaire results.
Thomas Kuhn
A philosopher of science best known for his theory on the structure of scientific revolutions and the concept of paradigm shifts.
Truth
The state or quality of being in accordance with fact or reality, often considered as an objective concept in philosophy.
Q1: In the MySQL Table Editor,the abbreviation PK
Q10: Relationships among instances of a single entity
Q28: In a correlated subquery,the same table is
Q32: A table that meets the definition of
Q33: A weak entity is an entity that
Q35: A referential integrity constraint policy that insures
Q37: In the Windows OS,to start working with
Q78: Recovering a database via reprocessing involves:<br>A)restoring the
Q88: SQL Statements can be submitted to SQL
Q96: E-R models use an identifying relationship to