Restrict rows - Study guides, Class notes & Summaries

The syntax of the DECODE function starts with _____. correct answers DECODE(e, x, y, d) String manipulation functions are rarely used in programming correct answers False If a designer wishes to create an inner join, but the two tables do not have a commonly named attribute, he can use a(n) _____ clause. correct answers JOIN ON An implicit cursor is automatically created in procedural SQL when the SQL statement returns only one value correct answers True In Oracle, the _____ function...

Data Management Applications C170 What is a table? A table is a persistent representation of a logical relation that is a relation whose contents can be saved for permanent use. What are the characteristics of a relational table? The characteristics of a relational table are that a table is perceived as a two-dimensional structure composed of rows and columns, each row (tuple) represents a single entity occurrence within the set, each column represents an attribute, each column has a dis...

WGU C170 Data Management - Applications|Latest Update Complete with A+ Graded Answers Domain In data modeling, the construct used to organize and describe an attribute's set of possible values. Primary key (PK) An identifier composed of one or more attributes that uniquely identifies a row. Also, a candidate key selected as a unique entity identifier. A minimal superkey. Key One or more attributes that determine other attributes. Determination The role of a key. In the c...

CHAPTER SEVEN SQL FOR DATABASE CONSTRUCTION AND APPLICATION PROCESSING Prepared By David J. Auer Western Washington University DAVID M. KROENKE AND DAVID J. AUERScholarStockChapter Seven – SQL For Database Construction and Application Processing  CHAPTER OBJECTIVES  To be able to create and manage table structures using SQL statements  To understand how referential integrity actions are implemented in SQL statements  To be able to create and use SQL constraints  To und...

Entity Integrity - ️️is a basic constraint of database relational model (abbreviated RM) that refers to the morphology of the primary key but afterwards, the same format is applied to the foreign key and, also to any of simple components of any of two. The relational model states that every relation (or table) must have an identifier, called the primary key (abbreviated PK), in such a way that every row of the same relation be identifiable by its content, that is, by a unique and minima...

MIST 4610 quiz questions test 1 Question and answers verified to pass 2024 MIST 4610 quiz questions test 1 What is not an attribute we are looking for in data? Secure Shareable Agreeable Relevant - correct answer Agreeable What kind of information do managers seek when they are looking to reduce equivocality or ambiguity? Lean Hard Soft Rich - correct answer Rich What is some "thing" in the environment/world that we want to keep track of and store data about? Identifier ...

C170 Data Management Application Questions with solutions 2023 AREA In DB2, a named section of permanent storage space that is reserved to store the database. associative entity See composite entity. Brainpower Read More Previous Play Next Rewind 10 seconds Move forward 10 seconds Unmute 0:09 / 0:15 Full screen bridge entity See composite entity. candidate key A minimal superkey; that is, a key that does not contain a subset of attributes that is itself a ...

WGU - Pre-Assessment: Data Management - Applications (FJO1) (PFJO) Questions and Answers Already Passed A salesperson is authorized to sell many products and a product can be sold by many salespersons. Which kind of binary relationship does this scenario describe? Many-to-many Which two examples are attributes? A person attending a meeting An employee number A sales meeting A meeting code An employee number A meeting code Which delete rule sets column values in a child tab...

WGU D427 - Data Management Applications – Pre-Assessment |Question and Answers| Graded A+ San Francisco, CA 94110 USA How many attributes are present in the address fragment? - 1 - 2 - 3 - 4 4 The Package table has the following columns: Weight—decimal Description—optional variable length string LastChangedDate—date TrackingNumber—integer Which column should be designated the primary key for the Package table? - Weight - Description - LastChangedDate - TrackingNumbe...

C170 Data Management Application Questions and Answers Graded A+ AREA In DB2, a named section of permanent storage space that is reserved to store the database. associative entity See composite entity. Brainpower Read More Previous Play Next Rewind 10 seconds Move forward 10 seconds Unmute 0:07 / 0:15 Full screen bridge entity See composite entity. candidate key A minimal superkey; that is, a key that does not contain a subset of attributes that is itself ...