Ternary operator Study guides, Class notes & Summaries

TYPICAL QUESTIONS & ANSWERS OBJECTIVE TYPE QUESTIONS Each question carries 2 marks. Choose the correct or best alternative in the following: Q.1 In the relational modes, cardinality is termed as: (A) Number of tuples. (B) Number of attributes. (C) Number of tables. (D) Number of constraints. Ans: A Q.2 Relational calculus is a (A) Procedural language. (B) Non- Procedural language. (C) Data definition language. (D) High level language. Ans: B ...

WGU C175 OBJECTIVE ASSESSMENT PRACTICE TEST ANSWER 1. The Entity-Relationship (E-R) model is _____. a. a diagramming technique that describes record structures (i.e. the fields that make up the records of a file) b. an alternative to indexing and hashing as a means for providing direct access in files c. a diagramming technique that describes entities, their attributes, and the relationships between them d. an alternative to file design in which attributes are used instead of fields e. a diagram...

Java OCA 1Z0-808 - Operators and Statements Exam Questions & Answers 2023/2024 operator - ANSWER-A special symbol that can be applied to a set of variables, values, or literals—referred to as operands—and that returns a result. What three types of operators are available in Java? - ANSWER-Unary Binary Ternary Arithmetic operators - ANSWER-+, -, *, /, %, --, ++ How can you change the order of precedence explicitly? - ANSWER-With parentheses. *True or False:* When app...

What is the primary feature of a database management system? Efficient data handling. It stores data in an organized manner. Data security and access control. It allows for easy access and manipulation of data. Minimize Data redundancy. It reduces data duplication. All of the above - ️️ALL What is data modeling primarily used for? - ️️To represent relationships between business entities In data-related terms, what is an entity? - ️️A thing in the real world with an independe...

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 ...

the conditional operator consists of _________ correct answers ?: __________ allow you to compare numeric or char values and determine whether one is greater than, less than, or equal to the other. correct answers relational operators the conditional operator is a short hand way to express a __________ correct answers if/else statement alphabetic characters are stored in memory as _____ correct answers numbers given a program with two variables having the same name but being located ...

D Which statement describes a queue data structure? A.) It is a sequence of elements in which insertion and deletion takes place at one end. B.) It is a sequence of elements in which insertion and deletion takes place at both ends. C.) It is a sequence of elements in which insertion can take place anywhere in the sequence and deletion takes place only at the front. D.) It is a sequence of elements in which insertions can take place only at the back end and deletions can take place only at...

WGU C949 Data Structures and Algorithms Pre-Assessment - Multiple Choice with Correct Answers (Latest). D Which statement describes a queue data structure? A.) It is a sequence of elements in which insertion and deletion takes place at one end. B.) It is a sequence of elements in which insertion and deletion takes place at both ends. C.) It is a sequence of elements in which insertion can take place anywhere in the sequence and deletion takes place only at the front. D.) It is a sequence...

WGU C949 Data Structures and Algorithms Pre-Assessment - Multiple Choice with Correct Answers (Latest). D Which statement describes a queue data structure? A.) It is a sequence of elements in which insertion and deletion takes place at one end. B.) It is a sequence of elements in which insertion and deletion takes place at both ends. C.) It is a sequence of elements in which insertion can take place anywhere in the sequence and deletion takes place only at the front. D.) It is a sequence...

Flat Files a file having no internal hierarchy Hashed Files A file that has been encrypted for security purposes. Brainpower Read More Previous Play Next Rewind 10 seconds Move forward 10 seconds Unmute 0:01 / 0:15 Full screen Heap File An unsorted set of records. Information The transformation of raw data into useful facts. Punch Card A card that is perforated and can hold commands or data. Structured Data Information with a high degree of ...