What is the need of dbms - Study guides, Class notes & Summaries

Archive Storage Tier (Cold) - "Seldon or rarely accessed data but must be retained and preserved for long periods of time Minimum retention requirement for Archive Storage is 90 days Objects need to be restored before download Archive Bucket can't be upgraded to Standard storage tier Time to First Byte (TTFB) after Archive Storage restore request is made: 4 hours" Auth - API Signing Key - "API Signing Key is required when using the API in conjunction with the SDK The key is an RSA ke...

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...

Master files - ️️contain balance data or the status of an entity at a point in time. Examples include inventory files, customer files, employee files, vendor files, or cash account files humans vs. computer - ️️- Humans are able to complete complex abstract thinking. Our brains are able to process multiple thought strains at one time. - Computers, on the other hand, only think in TRUE or FALSE, 1's and 0's. foreign keys - ️️A column or group of columns used to represent relat...

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DBI 202 Exam (Full) | Questions and Answers (Complete Solutions) QN=1 (6803) A ____ is a logically coherent collection of data with some inherent meaning, representing some aspect of real world and being designed, built and populated with data for a specific purpose a. Database b. Database Instance c. Schema d. Schema Instance QN=2 (6801) Choose the most correct statement. a. Database is created and maintained by a DMBS b. All of the others c. Database is a collection of data that is managed b...

Database software is a well thought-out collection of computer files, the most important of which are called tables. These tables that consist of records (rows) of data separated by fields (columns) that can be queried (questioned) to produce subsets of information. What are you looking for in a database? criteria what is the most widely used database software in the world? Oracle What is the most important computer file in a database tables Tables Tables are where a database holds data...

Cs430 Exam Practice Questions and Answers A relationship in a database is which of the following? - Ans:-An association between entities T/F: Atomicity refers to the requirements that either all of a transaction must occur or none of it. - Ans:-True T/F: The person that has central control over a DBMS is called a DataBase Administrator (DBA) - Ans:- True T/F: An attribute takes a null value when the value of the attribute is computed to be zero. - Ans:- False T/F: The schema developed a...

selling "things" event → Order to cash process Order to cash process → 1. market (market goods or services) → 2. negotiate (negotiate terms of a sales order) → 3. select and inspect → 4. prepare (prepare goods/services for delivery) → 5. deliver (deliver goods/services to customer) → 6. receive payment → 7. negotiate (negotiate terms/accept return) Buying "things" event → procure to pay process Procure to Pay process → 1. identify (identify a need)...

A tuple is one record or data set in a row - Answer-What are tuples and how are they used in databases? a.) A tuple is a collection of sequenced data fields b.) A tuple is one record or data set in a row c.) A tuple is a database field The flat file design is a single table database - Answer-What is the best description of a flat file database? a.) Flat file databases are hierarchical in nature. b.) Flat file databases are prevalent today because they provide relational functions. c.) T...

WGU C170 Data Management Applications (over 200 Questions & Answers) 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...