Candidate Key – A primary key that consist of more then one attributes.
Natural Keys - A key that naturally occurs in the attributes of an entity, such as a student ID or a course name.
Surrogate Key - A key that naturally occurs in the attributes of an entity, such as a student ID or a course name.
Composite Key - A key that naturally occurs in the attributes of an entity, such as a student ID or a course name.
A Report - Output of summary material from data.
Work Shadowing - The act of following someone, as he or she performs the duties of his or her job, to see what the job entails and what actions he or she typically performs during the workday Data integrity - Refers to the accuracy and quality of the data.
Normalization – The process of decomposing relations with anomalies to produce smaller, well- structured relations.
Referential Integrity Referential integrity refers to enforcing the constraints of primary key–foreign key relationships.
Specifically, you cannot insert a value into a child table unless it exists in the parent table. You update the foreign key column of a child table if it would change it to a value that is not in the parent table. You cannot delete a record from the parent table if it has related records in a child table, unless you first delete the records in the child table.
Physical design The design of the database within a particular
DBMS. The physical design takes account of file systems and disk locations as well as DBMS-specific data types.
Logical design The design of a database without regard to the physical implementation of the database
Null A null is an unknown value. It is not the same as a 0 or an empty string. As an unknown, it cannot be evaluated with = !. Data manipulation language - A data manipulation language (DML) is a family of syntax elements similar to a computer programming language used for inserting, deleting and updating data in a database. Performing read-only queries of data is sometimes also considered a component of DML.
ROLE In a database
, a set of permissions related to a particular use of a database.
Schema Schema has several related meanings. On the one hand, it is the structure of a database and its tables; on the other, it is the structure of ownership of objects. “dbo,” for instance, is the default schema for database objects. Lastly, it can be an
XML document that describes the structure of another
Lesson One Objectives After completing Lesson 1, you should be able to: 1. What is a business? A profit seeking activity that provides goods and services that satisfy customer needs. 2. Identify four key social and economic roles that businesses serve 1. Provide Society with necessities 2. Provide people with jobs and a means to prosper 3. Pay taxes that are used by government to provide services for its citizens 4. Reinvest their profits in the economy;…
Ch9 laminitis * Laminae- attachment hoof wall and p3 * Laminitis- inflamatory process within laminae * Opposite pg 142 normal anatomy * 3 stages development: developmental, acute, acute chronic * laminitis- carbobhydrate overload, depending on type of carb quicker onset etc grain corn especially * get a change in bacteria of the gut, gram negatives are ecoli, they stain red, gram positive stains blue * past small intestine, in colon * bacteria normally there to help…
Answer the Following Questions: 1. The transfer of tissue or an organ between two people who are not related is called? ANSWER: Allotransplantation 2. How would aspiration of urine from the bladder be accomplished? ANSWER: By means of needle, trocar, or ultracatheter 3. A collection of structures that suspends the testes in the scrotum is called? ANSWER: Spermatic Cord 4. What is it called when an egg from the female is withdrawn and fertilized with sperm in a laboratory for 2 to 3 days…
mutual dependency.” (pg. 7 of ‘Being Sociological’) According to Peter Berger, the fascination of sociology “lies in the fact that its perspective makes us see in a new light the very world in which we have lived all our lives.” Lecture 1: Course Introduction • SHiP - • CAGES - Structure (Structure of society) History (Historical events that influence individuals) i Power (Ability to control one’s own life or the lives of others’. Class Age Gender Ethnicity Sexuality…
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Business Strategy Study Guide Chapter 1 A. 3 central questions in strategy a. Where are we now? i. What is the company current situation 1. Current financial performance 2. Market standing 3. Competitive resources & capabilities 4. Competitive weakness 5. Changing industry conditions b. Where do we want to go from here i. What are you satisfying now and what should you do in the future? 1. What buyer need to try to satisfy 2. Which growth opportunities to emphasize 3. How to change…
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College of The Desert Course Syllabus Semester: Spring 2014 Course: Emergency Medical Technician EMT 084 Section 6171 Prerequisites: Eng 50 Advisory: Human Anatomy and Physiology; Basic Arrhythmias; Medical Terminology; Computer Keyboarding Course Description: This course prepares the student to successfully complete the National Registry of Emergency Medical Technician test as required for certification by the State of California…
whenever it felt like it, and it did. It all started in the 3rd grade when I was on the dance team. I was rehearsing at my coach’s house with two other dance-mates of mine. I went to go for a spin and BOOM! There it went. Everything fell silent and I of course fell to the ground. Next all I heard, outside of me screaming, was “Alexis, are you ok?” “Alexis, what happened?” It was said so much that it sounded as if it was on a record player. That pain was excruciating and my scream was unbearable. After that…
• Charge Q (C); Current I (A); Voltage V (V) • Power P (W) • Reference directions • Basic concepts (1) Form of Energy ‘ • lnterco lJfl of electrical elements using conducting wires • Used i ‘erous electrical systems (often with other non electrIc& systems), to accomplish different tasks • Circuit A ayss understand circuit behaviour, interactv between elements, system response, etc. Electric& ircuits Laws eri rIations that govern fundamentals, uses, and convers’ n…