- _ data exist in the format in which they were collected. Unstructured
- _ is the result of revealing the meaning of raw facts. Information
- __ data exist in a format that does not lend itself to processing that yields information. Unstructured
- __ serve as the intermediary between the user and the database. DBMSs
- ___ provide a description of the data characteristics and the set of relationships that link the data found within the database. Metadata
- ____ are the result of formatting disorganized data in order to facilitate storage, use and generation of information. Structured data
- ____ is the result of processing raw data to reveal its meaning. Information
- ____ refer to a type of database that stores most of its data in RAM rather than in hard disks. In-memory databases
- _____ exists when different versions of the same data appear in different places. Data inconsistency
- _____ is defined as the condition in which all of the data in the database are consistent with the real-world events and conditions. Data integrity
- _____ is the body of information and facts about a specific subject. Knowledge
- _____ relates to the activities that make the database execute transactions more efficiently in terms of storage and access speed. Performance tuning
- ______ exists when different and conflicting versions of the same data appear in different places. Data inconsistency
- ______ is data about data through which the end-user data are integrated and managed. Metadata
- ______ relates to activities that make a database operate more efficiently in terms of storage and access speed. Performance tuning
- _______ databases focus primarily on storing data used to generate information required to make tactical or strategic decisions. Analytical
- _______ exists when it is possible to make changes in the data storage characteristics without affecting an application program’s ability to access data. Data independence
- _______ exists when the same data are stored unnecessarily at different places. Data redundancy
- _______ is a special language used to represent and manipulate data elements in a textual format. Extensible Markup Language (XML)
- A _____ contains at least all of the attribute names and characteristics for each table in the system data dictionary
- A _____ is a character or group of characters that has a specific meaning. Field
- A _____ is a collection of related records. File
- A _____ is a logically connected set of one or more fields that describes a person, place, or thing. Record
- A data model is usually graphical. True
- A data warehouse can store data derived from many sources. True
- A desktop database is a _____ database. single-user
- A workgroup database is a(n) _____ database. Multiuser
- A(n) _____ database supports a relatively small number of users (usually fewer than 50) or a specific department within an organization. Workgroup
- A(n) _____ might be written by a programmer or it might be created through a DBMS utility program. Application
- A(n) ______ database is used by an organization and supports many users across many departments. Enterprise
- A(n) _______ represents a particular type of object in the real world. Entity
- A(n) ________ develops when all required changes in the redundant data are not made successfully. data anomaly
- A(n) ________ is a collection of programs that manages the database structure and controls access to the data stored in the database. database management system
- A(n) ________ is a specific request issued to the DBMS for data manipulation. Query
- A(n) ________ is a spur-of-the-moment question. ad hoc query
- Accurate, relevant, and timely information is the key to____ good decision making
- An advantage of database systems is that you needn’t perform frequent updates and apply latest patches. False
- An operational database is sometimes referred to as an enterprise database. False
- An XML database supports the storage and management of _____ XML data. Semistructured
- Corporations use only structured data. False
- Data and information are essentially the same thing. False
- Data anomaly is defined as the condition in which all of the data in the database are consistent with the real-world events and conditions False
- Data constitute the building blocks of information. True
- Data is said to be verifiable if_____ the data always yields consistent results.
- Data is the result of processing raw facts to reveal its meaning. False
- Data processing can be as simple as organizing data to reveal pattern True
- Data warehouse contains historical data obtained from the_____. operational databases
- Database programming languages receive all application requests and translate them into the complex operations required to fulfill those requests. False
- End-user data is ______. raw facts of interest to the end user
- Even when a good database blueprint is available, an applications programmer’s view of the data should match that of the manager and the end user. False
- Field refers to a collection of related records. False
- In object oriented terms, a(n) ________ defines an object’s behavior. Method
- Information is produced by processing ________ . data
- Metadata describe the data characteristics and the set of relationships that links the data found within the database. True
- Most data that can be encountered are best classified as _____ . semistructured
- One advantage of a database system over previous data management approaches is that the database system is considerably less complex. False
- One disadvantage of a database system over previous data management approaches is increased costs. True
- One disadvantage of the DBMS is that it increases the risk of data security breaches. False
- One of the limitations of the _______ model is that there is a lack of standards. Hierarchical
- Raw data must be properly ________ for storage, processing and presentation. Formatted
- Structural dependence exists when it is possible to make changes in the file structure without affecting the application program’s ability to access the data. False
- The _______ model was developed to allow designers to use a graphical tool to examine structures rather than describing them with text. entity relationship
- The database structure in a DBMS is stored as a ______. collection of files
- The DBMS reveals much of the database’s internal complexity to the application programs and users. False
- The DBMS uses the ________ to look up the required data component structures and relationships, thus relieving programmers from having to code such complex relationships in each program. data dictionary
- The only way to access the data in a database is through the DBMS. True
- The organization of data within folders in a manual file system is determined by _____ its expected use
- The response of the DBMS to a query is the ______. query result set
- The same data might be simultaneously structured and unstructured depending on the intended processing. True
- The term _____ refers to an organization of components that define and regulate the collection, storage, management and use of data within a database environment. database system
- The term ________ refers to scattered locations storing the same basic data. islands of information
- To reveal meaning, information requires ________ . context
- What enhances the user’s ability to understand data? spreadsheet applications
- What refers to the situation where the same data is stored unnecessarily at different places? Data redundancy
- _______ are normally expressed in the form of rules. Constraints
- What type of HDFS nodes stores all the metadata about a file system? Name node
- MySQL is an example of the _______. relational data model
- The _______ data model is said to be a semantic data model. object-oriented
- A(n) ________ is a relatively simple representation of more complex real-world data structures. data model
- The _______ model uses the term connectivity to label the relationship types. entity relationship
- The hierarchical model is software-independent. False
- In an SQL-based relational database, each table is dependent on every other table. False
- A disadvantage of the relational database management system (RDBMS) is its inability to hide the complexities of the relational model from the user. False
- Character data can contain any character or symbol intended for mathematical manipulation. False
- In the _______ model, the user perceives the database as a collection of records in 1:M relationships, where each record can have more than one parent. network
- In an SQL-based relational database, rows in different tables are related based on common values in common attributes. True
- A(n) ________ defines the environment in which data can be managed and is used to work with the data in the database. data manipulation language (DML)
- NoSQL are not based on the relational model. True
- A(n) ________ is a brief, precise, and unambiguous description of a policy, procedure, or principle within a specific organization. business rule
- Each table in a relational database must have a primary key. True
- An implementation-ready data model needn’t necessarily contain enforceable rules to guarantee the integrity of the data. False
- NoSQL databases provide ___ fault tolerance
- A(n) _______ is a restriction placed on the data. constraint
- Each row in a relation is called a(n) ________ . tuple
- From a database point of view, the collection of data becomes meaningful only when it reflects properly defined _______ . business rules
- Database designers determine the data and information that yield the required understanding of the entire business. False
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