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Questions and Answers
Data retrieval languages aim at retrieving all objects which satisfy clearly defined ______.
Data retrieval languages aim at retrieving all objects which satisfy clearly defined ______.
conditions
A database system typically stores ______ data in a computer system.
A database system typically stores ______ data in a computer system.
related
The primary goal of a DBMS is to provide an environment that is both ______ and efficient to use.
The primary goal of a DBMS is to provide an environment that is both ______ and efficient to use.
convenient
The primary objectives of a DBMS include ______, reliability, and multiple users.
The primary objectives of a DBMS include ______, reliability, and multiple users.
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A sequence database of annotated bacterial isolates is beneficial for a lab to maintain its own ______ genetic data.
A sequence database of annotated bacterial isolates is beneficial for a lab to maintain its own ______ genetic data.
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A DBMS consists of ______ data and a set of programs to access those data.
A DBMS consists of ______ data and a set of programs to access those data.
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Using a custom database allows researchers to ______ the quality of genetic data through fine-tuning parameters.
Using a custom database allows researchers to ______ the quality of genetic data through fine-tuning parameters.
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The computing environment Odin is a ______ server that provides a consistent computing environment.
The computing environment Odin is a ______ server that provides a consistent computing environment.
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One of the objectives of a DBMS is the ______ of IP.
One of the objectives of a DBMS is the ______ of IP.
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Cloud computing allows users to access multiple ______ over the internet.
Cloud computing allows users to access multiple ______ over the internet.
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A large amount of data is preferred in computational biology because it supports more ______ statistics.
A large amount of data is preferred in computational biology because it supports more ______ statistics.
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Biocuration is a process that involves the annotation and management of ______ data.
Biocuration is a process that involves the annotation and management of ______ data.
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The physical level of abstraction describes how the data are ______ stored.
The physical level of abstraction describes how the data are ______ stored.
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The logical level of abstraction describes what data are ______ in the database.
The logical level of abstraction describes what data are ______ in the database.
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The view level of abstraction exists to ______ users' interaction with the system.
The view level of abstraction exists to ______ users' interaction with the system.
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Database administrators, who must decide what information to ______ in the database, use the logical level of abstraction.
Database administrators, who must decide what information to ______ in the database, use the logical level of abstraction.
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The ______ schema is by far the most important and were changed infrequently.
The ______ schema is by far the most important and were changed infrequently.
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A database ______ is the collection of information stored in the database at a particular moment.
A database ______ is the collection of information stored in the database at a particular moment.
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Database schema refers to the overall design of the database ______.
Database schema refers to the overall design of the database ______.
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Data-definition language (DDL) is used to specify what the ______ look like.
Data-definition language (DDL) is used to specify what the ______ look like.
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Data-manipulation language (DML) enables users to ______ or manipulate the stored data.
Data-manipulation language (DML) enables users to ______ or manipulate the stored data.
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Data manipulation involves ______, insertion, deletion, and modification of information.
Data manipulation involves ______, insertion, deletion, and modification of information.
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Domain constraints ensure that each attribute has a ______ of possible values.
Domain constraints ensure that each attribute has a ______ of possible values.
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Declaring an attribute to be of a particular domain acts as a ______ on the values it can take.
Declaring an attribute to be of a particular domain acts as a ______ on the values it can take.
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The database system must therefore perform ______ recovery which means it must detect system failures and restore the database to the state that existed prior to the occurrence of the failure.
The database system must therefore perform ______ recovery which means it must detect system failures and restore the database to the state that existed prior to the occurrence of the failure.
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It is the responsibility of the ______ manager to control the interaction among the concurrent transactions, to ensure the consistency of the database.
It is the responsibility of the ______ manager to control the interaction among the concurrent transactions, to ensure the consistency of the database.
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Either all operations of the transaction are properly reflected in the database or ______ are.
Either all operations of the transaction are properly reflected in the database or ______ are.
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Although multiple transactions may execute concurrently, each transaction must be unaware of other concurrently executing ______.
Although multiple transactions may execute concurrently, each transaction must be unaware of other concurrently executing ______.
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After a transaction completes successfully, the changes it has made to the database persist, even if there are ______ failures.
After a transaction completes successfully, the changes it has made to the database persist, even if there are ______ failures.
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To scale up to even larger data volumes and even higher processing speeds, parallel databases are designed to run on a ______ consisting of multiple machines.
To scale up to even larger data volumes and even higher processing speeds, parallel databases are designed to run on a ______ consisting of multiple machines.
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