Algebra based - Study guides, Class notes & Summaries

AREA Ans- In DB2, a named section of permanent storage space that is reserved to store the database. candidate key Ans- A minimal superkey; that is, a key that does not contain a subset of attributes that is itself a superkey. closure Ans- A property of relational operators that permits the use of relational algebra operators on existing tables (relations) to produce new relations. composite entity Ans- An entity designed to transform an M:N relationship into two 1:M relationships...

database model correct answers A database model is a conceptual framework for database systems, with three parts: 1. Data structures that prescribe how data is organized. 2. Operations that manipulate data structures. 3. Rules that govern valid data. relational model correct answers The relational model is a database model based on a tabular data structure. The model was published in 1970 by E. F. Codd of IBM and released in commercial products around 1980. The data structure, operations, and...

Praxis- Mathematics Questions and Answers 100% Pass In the proceeding figure, P and T are points on like k, and points Q, R and S are points on line l. Lines k and l are parallel. What is the measure of the angle TRS? Since angles PTR and TRS are alternate interior angles, they are congruent and they have the same angle measure. The equation: 5x + 10 + 110 = 8x+102 x=6. The measure of angle TRS is 8 x 6 + 102 = 150 degrees. The following table shows the distribution of 50 cookies sold in a sto...

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...

China - ️️Gunpowder, fireworks, compass, silk, ink Egypt - ️️Papyrus, Pyramids, sports India - ️️Tea, number zero, decimal system --- Caste system: A person born in a caste doesn't move up or down) Greece - ️️money, steam engine , democracy and the olympics Rome - ️️First streets, roads and aqueducts Arabic culture - ️️Developed Algebra Bantu Tribe - ️️Contributed to languages of Africa. Nearly 70% of languages spoken in Africa are based on this tri...

PECT PREK-4 MODULE 3 QUESTIONS AND VERIFIED SOLUTIONS 2024/2025 100% CORRECT GRADED A+. 2 / 11 1. Mathematics: -Spiral curriculum staircase different from common core -Only so many concepts in math -Same concepts every year just depends on the depth -You are teaching Pre-K algebra -Teaching algebra is patterns 2. Geometry: -Is not shapes -All about relationships in space -How one thing is related in space to another 3. PrepositionWords:-Under, beside, behind -Used in geometry 4. ...

external schema - Answer-Also called a subschema, this is a specific view of the data utilized by an end user conceptual schema - Answer-This describes all the entities, attributes, and relationships together with integrity constraints. Each DB has exactly one. internal schema - Answer-A complete description of the internal model, down to the physical storage of data. Each DB has exactly one. logical data independence - Answer-The immunity of the external schemas to changes in the concept...

cultural proximities - ANSWERinternational broadcasting historically used to maintain contact with a nation's citizens pr persons who live abroad examples of cultural proximities - ANSWERBBC Empire Service, Latinos in the US, Radio France Internationale, Al-Jazeera, VOA Much of American media content directly diffused from the UK due to _________ ___________ - ANSWERlinguistic continuity (geographic names, the King James version of the Bible has greatly influenced English language and c...

WGU D426 (Latest 2023/ 2023 Update) Data Management Foundations Exam| Guide with Questions and Verified Answers|100% Correct| Grade A Q: What does SQL stand for? Answer: Structured Query Language. Q: What can SQL statements do? Answer: Read and write data, create and delete tables, and administer the database system. Q: What is big data? Answer: Massive volumes of online data, often with poorly structured or missing information. Q: What is NoSQL? ...

WGU D307 Questions and Answers 100% Pass Expressive language disorder People have trouble getting their message across when they talk. They often struggle to put words together into sentences that make sense. Receptive language disorder People struggle to get the meaning of what others are saying. Because of this, they often respond in ways that don't make sense. Mixed receptive-expressive language issues People struggle with both using and understanding language. What is the name of the th...