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Questions and Answers
Data retrieval languages aim at retrieving all objects which satisfy clearly defined ______.
conditions
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.
convenient
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.
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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.
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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.
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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.
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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.
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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.
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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.
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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 ______.
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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.
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Data manipulation involves ______, insertion, deletion, and modification of information.
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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.
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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.
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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.
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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 ______.
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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.
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