Relational operators Study guides, Class notes & Summaries

C173 Final Practice Questions & Answers, 100% Accurate, rated A+ Which operator evaluates the remainder of division? * + / % // % Find an operation's result. Give an example. x = x * 1.5 Which are relational operators? != = += not *= <= > and <= > Classify each value type with the correct data type it describes. What is the value of this expression? True What are we referring to when we talk about "Grammar" in programming? A p...

Successful first projects deliver results that are: - Answer-- Quick, with a short time-to-impact reducing the likelihood of losing momentum - Measurable, giving leaders the confidence to approve further projects - Contagious, with a compelling solution triggering rapid user adoption Prioritize Project Opportunities - Answer-dummy slide Project Factors- Project complications - Answer-1. Extensive Data ETL 2. Complex Data Visualization Across Systems 3. Complex Data Manipulation 4. Backen...

The data in non-relational databases is structured, just like relational databases. - correct answer False - Non-relational databases are for use when the kind of data is not known, and/or if the type of data changes frequently. The 'WHERE' SQL command is used to filter data that meet certain criteria. - correct answer True - The `WHERE` clause helps us to filter records to only the ones that match a certain condition, defined value within a database column To select all data from a tab...

Valid C++ fine extensions correct answers .cpp .c++ .cp IDE correct answers Integrated Development Environment What does a ; do? correct answers Statement delimeter, ends statement What are the two ways to comment something? correct answers // OR /* ... */ What does the pre-processor directive do? correct answers It includes functions from other c++ libraries What is #include called? correct answers Pre-Processor directive What are << and >> called? correct answers ...

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 ...

Area - ANSWER In DB2, a named section of permanent storage space that is reserved to store the database. candidate key - ANSWER A minimal superkey; that is, a key that does not contain a subset of attributes that is itself a superkey. See key. closure - ANSWER A property of relational operators that permits the use of relational algebra operators on existing tables (relations) to produce new relations. composite entity - ANSWER An entity designed to transform an M:N relationship into tw...

MIST 4610 Final Exam CorreNormalization - ANSWER Method for increasing the quality of database design and a theoretical base for defining the properties or relationships. Goal is identical to data modeling- a high fidelity system. The recommended approach for arriving at a normal form is data modeling. 1NF - ANSWER If and only if all columns are single valued. All occurrences of a row must have the same number of columns. An attribute that can have multiple values must be represented as a one...

WGU C170 Chapter 1, Full Review, Graded A+. Verified. AREA - -In DB2, a named section of permanent storage space that is reserved to store the database. associative entity - -See composite entity. 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 superkey. See key. closure - -A property of relational operators that permits the use of relational algebra operators on existing tables (r...

Chapter 2: Solving Problems with Statistical Analysis Tools TRUE/FALSE 1. Microsoft Excel provides a variety of predefined functions, including statistical functions, that you can use to determine such values as the arithmetic mean, median, mode, and standard deviation of a set of data. ANS: T PTS: 1 REF: 89 2. Median is the arithmetic average of a set of numbers. ANS: F PTS: 1 REF: 90 3. The standard deviation tells you how closely together values are distributed. ANS: T PTS: 1 REF...

Database management systems (DBMS) What is a database management system? - a program controlling the structure of a database and access to the data; creates, processes, and administers database What are some advantages of a DBMS? - -reduced data redundancy -improved data integrity -more program independence -increased user productivity -increased security What is DBMS used for? - to create tables and relationships in databases What do applications use DBMS for? - to read, inse...