ITCS 3160 - FINAL PRACTICE
Total quality management (TQM) focuses on defect correction rather than defect prevention.
False
When developing an application, one must decide where it will be placed when it is developed
False
Word processing documents are commonly stored in a 'document store' NoSQL database model.
False
Which of the following is NOT a common distribution logic for two-tiered server environments?
Tall client
The role of a ________ emphasizes integration and coordination of metadata across many data sources.
data warehouse administrator
A data mart is a:
data warehouse that is limited in scope
A computer that provides database storage and access in a client/server environment is called a:
database server
A ________ prevents another transaction from reading and therefore updating a record until it is unlocked.
exclusive lock
Datatype conflicts is an example of a ________ reason for deteriorated data quality.
external data source
A client PC that is responsible for processing presentation logic, extensive application and business rules logic as well as many DBMS functions is called a:
fat client
NoSQL focuses on:
flexibility
Data that are accurate, consistent, and available in a timely fashion are considered:
high-quality
The analysis of summarized data to support decision making is called:
informational processing
Data quality is important for all of the following reasons EXCEPT:
it provides a stream of profit.
An audit trail of database changes is kept by a:
journalizing facility
Data that are detailed, current, and intended to be the single, authoritative source of all decision support applications are called ________ data.
reconciled
A ________ is a procedure for acquiring the necessary locks for a transaction where all necessary locks are acquired before any are released.
two-phase lock
Which of the following advances in information systems contributed to the emergence of data warehousing?
Advances in middleware products that enabled enterprise database connectivity across heterogeneous platforms
Which of the following functions model business rules?
Database analysis
Which of the following functions develop integrity controls?
Database design
Which of the following organizational trends does not encourage the need for data warehousing?
Downsizing
The granularity of locking is not a critical decision in database design.
False
PHP is a platform for Web development
True
A separate data warehouse causes more contention for resources in an organization.
False
Data federation consolidates all data into one database.
False
Exclusive locks allow other transactions to read but not update a record or other resource.
False
Field-level locks are used quite often.
False
Geolocation logic is the application logic component responsible for data storage and retrieval
False
Independent data marts do not generally lead to redundant data and efforts.
False
Lack of secure standards and lack of user acceptance are the major issues that must be resolved with Web services
False
NoSQL focuses on avoidance of replication and minimizing storage space.
False
Quality data does not have to be unique.
False
Retention refers to the amount of data that is not purged periodically from tables.
False
Structured Query Language (SQL) is a set of methodologies, processes, architectures, and technologies that transform raw data into meaningful information.
False
Versioning takes the pessimistic approach to locking.
False
Which of the following is an advantage of stored procedures?
Performance improves for compiled SQL statements
Open Database Connectivity is an application programming interface that provides a common language for application programs to access and process SQL databases independent of the particular RDBMS that is accessed
True
Organizations adopt data mart architectures because it is easier to have separate, small data warehouses than to get all organizational parties to agree to one view of the organization in a central data warehouse.
True
The need for data warehousing in an organization is driven by its need for an integrated view of high-quality data.
True
The role of database administration is typically a more hands-on, physical involvement with the management of databases.
True
The three major types of analytics are: descriptive, predictive, and prescriptive.
True
________ facilitates the ability of applications to query relational data along with associated structured data
XPath
Data quality problems can cascade when:
data are copied from legacy systems
When we consider data in the data warehouse to be time-variant, we mean:
data in the warehouse contain a time dimension so that they may be used to study trends and changes
The oldest form of analytics is:
descriptive analytics
A star schema contains both fact and ________ tables.
dimension
The goal of data mining related to analyzing data for unexpected relationships is:
exploratory
PHP is a popular API for MySQL because of all of the following EXCEPT:
Microsoft integration
Which of the following is true about three-tier architectures?
More technological flexibility
Which of the following data-mining techniques searches for patterns and correlations in large data sets?
Rule discovery
A trigger can be used as a security measure in which of the following ways?
To cause special handling procedures to be executed
TQM stands for:
Total Quality Management
A data steward is a person assigned the responsibility of ensuring the organizational applications properly support the organization's enterprise goals for data quality.
True
In some three-tier architectures, most application code is stored on the application server
True
Informational systems are designed to support decision making based on historical point-in-time and prediction data.
True
MapReduce is an algorithm for massive parallel processing utilized by Hadoop.
True
NoSQL stands for 'Not only SQL.'
True
An open-source DBMS is:
a free source-code RBMS that provides the functionality of an SQL-compliant DBMS
The use of a set of graphical tools that provides users with multidimensional views of their data is called:
on-line analytical processing (OLAP)
Data that are never physically altered once they are added to the store are called ________ data.
periodic
A Web server:
processes client requests and returns HTML pages to the client
Sarbanes-Oxley Act was enacted to ensure the integrity of:
public companies' financial statements
One simple task of a data quality audit is to:
statistically profile all files
A PC configured to handle user interface with little or no local storage is called a:
thin client
Data quality ROI stands for:
risk of incarceration
A device to measure or detect fingerprints or signatures is called a ________ device.
biometric