Information Retrieval Fundamentals

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson
Download our mobile app to listen on the go
Get App

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.

<p>Security</p> Signup and view all the answers

A sequence database of annotated bacterial isolates is beneficial for a lab to maintain its own ______ genetic data.

<p>custom</p> Signup and view all the answers

A DBMS consists of ______ data and a set of programs to access those data.

<p>interrelated</p> Signup and view all the answers

Using a custom database allows researchers to ______ the quality of genetic data through fine-tuning parameters.

<p>control</p> Signup and view all the answers

The computing environment Odin is a ______ server that provides a consistent computing environment.

<p>linux</p> Signup and view all the answers

One of the objectives of a DBMS is the ______ of IP.

<p>protection</p> Signup and view all the answers

Cloud computing allows users to access multiple ______ over the internet.

<p>servers</p> Signup and view all the answers

A large amount of data is preferred in computational biology because it supports more ______ statistics.

<p>rigorous</p> Signup and view all the answers

Biocuration is a process that involves the annotation and management of ______ data.

<p>genetic</p> Signup and view all the answers

The physical level of abstraction describes how the data are ______ stored.

<p>physically</p> Signup and view all the answers

The logical level of abstraction describes what data are ______ in the database.

<p>stored</p> Signup and view all the answers

The view level of abstraction exists to ______ users' interaction with the system.

<p>simplify</p> Signup and view all the answers

Database administrators, who must decide what information to ______ in the database, use the logical level of abstraction.

<p>keep</p> Signup and view all the answers

The ______ schema is by far the most important and were changed infrequently.

<p>logical</p> Signup and view all the answers

A database ______ is the collection of information stored in the database at a particular moment.

<p>instance</p> Signup and view all the answers

Database schema refers to the overall design of the database ______.

<p>itself</p> Signup and view all the answers

Data-definition language (DDL) is used to specify what the ______ look like.

<p>data</p> Signup and view all the answers

Data-manipulation language (DML) enables users to ______ or manipulate the stored data.

<p>access</p> Signup and view all the answers

Data manipulation involves ______, insertion, deletion, and modification of information.

<p>retrieval</p> Signup and view all the answers

Domain constraints ensure that each attribute has a ______ of possible values.

<p>domain</p> Signup and view all the answers

Declaring an attribute to be of a particular domain acts as a ______ on the values it can take.

<p>constraint</p> Signup and view all the answers

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.

<p>failure</p> Signup and view all the answers

It is the responsibility of the ______ manager to control the interaction among the concurrent transactions, to ensure the consistency of the database.

<p>concurrency-control</p> Signup and view all the answers

Either all operations of the transaction are properly reflected in the database or ______ are.

<p>none</p> Signup and view all the answers

Although multiple transactions may execute concurrently, each transaction must be unaware of other concurrently executing ______.

<p>transactions</p> Signup and view all the answers

After a transaction completes successfully, the changes it has made to the database persist, even if there are ______ failures.

<p>system</p> Signup and view all the answers

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.

<p>cluster</p> Signup and view all the answers

Flashcards are hidden until you start studying

More Like This

Database Fundamentals
6 questions

Database Fundamentals

ResourcefulRadon avatar
ResourcefulRadon
Introduction to Database Systems
12 questions
Database Systems: An Overview
29 questions
Use Quizgecko on...
Browser
Browser