Fourth normal form 4nf - Study guides, Class notes & Summaries

An entity is said to be X -dependent if it can exist in the database only when it is associated with another related entity occurrence. - existence A table that has all key attributes defined has no repeating groups and all its attributes are dependent on the primary key is said to be in X. - 1nf A determinant is any attribute whose value determines other values within a column. - F X is a process that is used for changing attributes to entities. - Normalization Any attribute whose value d...

An entity is said to be X -dependent if it can exist in the database only when it is associated with another related entity occurrence. - existence A table that has all key attributes defined has no repeating groups and all its attributes are dependent on the primary key is said to be in X. - 1nf A determinant is any attribute whose value determines other values within a column. - F X is a process that is used for changing attributes to entities. - Normalization Any attribute whose value d...

3 Vs - Correct Answer-Three basic characteristics of Big Data databases: volume, velocity, and variety. abstract data type (ADT) - Correct Answer-Data type that describes a set of similar objects with shared and encapsulated data representation and methods. A(n) is generally used to describe complex objects. See also class. ad hoc query - Correct Answer-A "spur-of-the-moment" question. alias - Correct Answer-An alternative name for a column or table in a SQL statement. ALTER TABLE ...

3 Vs - Correct Answer-Three basic characteristics of Big Data databases: volume, velocity, and variety. abstract data type (ADT) - Correct Answer-Data type that describes a set of similar objects with shared and encapsulated data representation and methods. A(n) is generally used to describe complex objects. See also class. ad hoc query - Correct Answer-A "spur-of-the-moment" question. alias - Correct Answer-An alternative name for a column or table in a SQL statement. ALTER TABLE ...

WGU C175/D426 DATA MANAGEMENT FOUNDATIONS OA EXAM ACTUAL EXAM 2 LATEST VERSIONS 300 QUESTIONS AND CORRECT DETAILED ANSWERS WITH RATIONALES (100% CORRECT AND VERIFIED ANSWERS) ALREADY GRADED A+ VERSION A What does modality refer to? How does it appear on ER diagram? - ANSWERRefers to the MINIMUM number of times an instance in one entity can be associated with instance of another entity (minima) Appears as a 0 or 1 on the relationship line, next to cardinality Define: Referential Integri...

An entity is said to be X -dependent if it can exist in the database only when it is associated with another related entity occurrence. - existence A table that has all key attributes defined has no repeating groups and all its attributes are dependent on the primary key is said to be in X. - 1nf A determinant is any attribute whose value determines other values within a column. - F X is a process that is used for changing attributes to entities. - Normalization Any attribute whose value d...

An entity is said to be X -dependent if it can exist in the database only when it is associated with another related entity occurrence. - existence A table that has all key attributes defined has no repeating groups and all its attributes are dependent on the primary key is said to be in X. - 1nf A determinant is any attribute whose value determines other values within a column. - F X is a process that is used for changing attributes to entities. - Normalization Any attribute whose value d...

An entity is said to be X -dependent if it can exist in the database only when it is associated with another related entity occurrence. - existence A table that has all key attributes defined has no repeating groups and all its attributes are dependent on the primary key is said to be in X. - 1nf A determinant is any attribute whose value determines other values within a column. - F X is a process that is used for changing attributes to entities. - Normalization Any attribute whose value d...

An entity is said to be X -dependent if it can exist in the database only when it is associated with another related entity occurrence. - existence A table that has all key attributes defined has no repeating groups and all its attributes are dependent on the primary key is said to be in X. - 1nf A determinant is any attribute whose value determines other values within a column. - F X is a process that is used for changing attributes to entities. - Normalization Any attribute whose value d...

An entity is said to be X -dependent if it can exist in the database only when it is associated with another related entity occurrence. - existence A table that has all key attributes defined has no repeating groups and all its attributes are dependent on the primary key is said to be in X. - 1nf A determinant is any attribute whose value determines other values within a column. - F X is a process that is used for changing attributes to entities. - Normalization Any attribute whose value d...