A database administrator wants to insert a record (row) into a database's Movies table. Which of the following is the SQL command that the administrator can use to insert the record? Show
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Terms in this set (45)Two lists showing different values for the same data in different places of a database is an example of -data disparity. -data irregularity. -data inconsistency. data inconsistency Which of the following
is a TRUE statement when considering using databases instead of lists? -Data-entry errors can be minimized with databases. -Data integrity can be ensured with a database. -all of the above all of the above Which type of relationship should be used to connect a Password table to a User Account table? -many-to-many relationship -one-to-none relationship -one-to-many relationship one-to-one relationship Which type of database organizes data by measure and feature attributes? -multidimensional database -relational database -all of the above multidimensional database The
field that has a unique entry for each record in a database table is called the -foreign key. -master field. -logical key. primary key Which best describes a data warehouse? -a building that stores computer servers -a collection of all the data from an organization's databases -a database that organizes data from multiple organizations a collection of all the data from an organizations databases Extracting, transforming, and storing data are processes associated with which of the following? -online analytical processing -transaction processing -data scrubbing data staging The
process by which great amounts of data are analyzed and investigated is known as -data mining. -clustering. -online analytical processing. data mining A system that is designed to help keep track of everyday business activities is a(n) -enterprise resource planning system. -transaction-processing system. -management information system. transaction-processing system Which type of information system is used mainly by executive managers and gathers data from data warehouses and data marts? -decision support system -expert system -business intelligence system business intelligence system When
is it sufficient to use a list to organize data? -when the data is simple and can be organized in one table -when more than one person needs to access the data -all of the above when the data is simple and can be organized in one table A customer information table linked to an orders table in a business database reflects which type
of relationship? -one-to-many -many-to-many -many-to-one one-to-many A process to ensure that data in a database is organized most efficiently is called -integration. -data staging. -normalization. normalization Which of the following is NOT
considered metadata? -database name -field size -data type database name Data captured as users navigate through a website is called -time-variant data. -web-user data. -clickstream data. clickstream data The type of database that would be best to
store and organize video clips and pictures is which of the following? -multidimensional database -object-oriented database -all of the above object-oriented database Which of the following is used to create a temporary subset of data that matches certain criteria? -filter -relationship -query filter Which of the following data-mining techniques is used to determine which data goes together? -classification -affinity grouping -visualization affinity grouping Unnecessary duplication of data in a database is referred to as -data inconsistency. -validated data. -data redundancy. data redundancy Which of the following is a method of inputting data into a transaction-processing system while the transaction is taking place? -batch processing -input processing -all of the above real-time processing A field labeled PHONE that accepts data such as (610) 555-1212 would use the Number data type. false A query is used to extract a subset of data from a database true A small slice of a data warehouse is called a data mine. false Data warehouses capture data only from one time period. false A multidimensional database uses two dimensions in which to organize data. false A ________ displays a subset of data from a table (or tables) based on the specified criteria -join query -table query -criteria query select query Management information
systems (MIS) provide ________ reports, which show conditions that are unusual or need attention from users of the system. -summary -exception -expert exception If a school keeps two lists, one for student registration and one for student financial information, both containing name and address information, this is an example of data ________. -integrity -normalization -redundancy redundancy Nontraditional data in object-oriented databases such as audio clips, video clips, pictures, and very large documents are called ________ data. -unstructured -multidimensional -structured unstructured ________ databases are the most
commonly used electronic databases. -Flat-file -Object-oriented -Multidimensional relational A ________ check would be used in a field to restrict the fines for speeding violations so that they fall between $50 and $250. -completeness -range -consistency range In
a database, the term ________ is synonymous with a category of data -record -table -row field You can set a ________, which is automatically displayed in a field unless the user enters something different. -field type -numeric check -default value default value In
a transaction-processing system (TPS), if the TPS database can be queried and updated while the transaction is taking place, this is called ________ processing. -real-time -batch -immediate real-time ________ is the branch of computer science that attempts to create computers that think like humans. -Artificial intelligence -Enterprise resource planning -Natural language processing artificial intelligence ________ means that for each value in the foreign key of one table, there is a corresponding value in the primary key of another table. -Record integrity -Database consistency -Referential integrity referential integrity A
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Can NoSQL handle unstructured data?Flexibility: NoSQL databases generally provide flexible schemas that enable faster and more iterative development. The flexible data model makes NoSQL databases ideal for semi-structured and unstructured data.
What is the most commonly used type of database?Relational Databases. A relational database is the most common type of database. It uses schema, which is a template used to dictate the data structure stored within the database.
What type of database is a collection of data that is organized in tables from which the data can be accessed and organized in many different ways?A collection of data items organized as a set of formally-described tables from which data can be accessed or reassembled in many different ways without having to reorganize the database tables.
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