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What are the advantages and disadvantages of personal DBMS products hiding the complexity of database systems?

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The advantage of hiding the complexity o...

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Microsoft Access 2016 databases are stored using the file extension .accdb.

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Regarding Big Data,what does the term NoSQL really mean?


A) No SQL used
B) NortonOS Query Language
C) Notational Query Language
D) Non-Blocking Query Language
E) Non-Relational Database

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The purpose of the ________ in a database system is to receive requests from applications and to translate those requests into reads and writes on the database files.

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What is "metadata," and how does it relate to the definition of a database?

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Metadata is data about the structure of ...

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A relational database stores data in the form of lists.

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Briefly describe the function of the DBMS in a database system.

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The DBMS creates the database and the ta...

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Which of the following problems associated with storing data in a list is avoided by storing data in a relational database?


A) CPU processing inefficiencies
B) Lack of necessary bandwidth
C) Running out of memory storage
D) Duplication of data items
E) Incorrect data typing

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Data that the database keeps about its own structure is called ________.

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A database may be used to help people with all of the following except ________.


A) track which student is assigned to a particular advisor
B) know the current inventory levels of products their company sells
C) check on the estimated arrival time of an incoming flight at an airport
D) look up their checking account balance over the Internet
E) debug existing program code

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Today almost every commercial database is based on ________.


A) lists
B) the hierarchical model
C) the linked-list model
D) the relational model
E) the object-oriented model

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By separating data into tables containing data on only one theme each,making changes to the data is simplified.

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An advantage of keeping data in lists is that if you update a data value in one row of data in a list,other occurrences of the same data item in other rows will be automatically updated as well.

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A database is a set of one or more computer programs that serves as an intermediary between the users and the database management system (DBMS).

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An advantage of keeping data in lists is that if you add a new row of data to the list,you will never have null values occurring for any data item in the row.

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What problems with storing data on two themes in a list are addressed by database technology?

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First,data updates are simplified becaus...

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What components are included in a database?

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The database contains user data,metadata...

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The creation of a database and its tables is a function of which component of the database system?


A) Users
B) Application
C) DBMS
D) Database
E) Web server

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Microsoft Access 2016 generates surrogate key values when the ________ data type is used.

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Which of the following would not be an example of database metadata?


A) Names of tables in a database
B) Properties of tables in a database
C) Names of columns in a database and their associated tables
D) Properties of columns
E) Queries against records in the database tables

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