2694629
Beschreibung
Quiz von Lavington ICT, aktualisiert more than 1 year ago
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Erstellt von Lavington ICT
vor mehr als 9 Jahre
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Frage 1
Frage
A database is a...
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persistent store of un-organised data.
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persistent store of organised data.
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persistent store of carefully selected and well organised data.
Frage 2
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Persistent storage is...
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non-volatile storage on a secondary storage medium such as a hard disk.
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volatile storage on a secondary storage medium such as RAM.
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storage on a secondary storage medium such as a hard disk.
Frage 3
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Data duplication (also known as data redundancy) is...
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where the same data is stored more than once, unnecessarily.
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where the same data is stored only once, unnecessarily.
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where the same data is stored unnecessarily.
Frage 4
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Data inconsistency is...
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where different versions of data become different because duplicate versions have been stored.
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where different versions of data become different because duplicate versions have been updated differently.
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where different versions of data become different because duplicate versions have been stored and updated differently.
Frage 5
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A Database Management System (DBMS)...
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separates the applications from the data and provides features that allow database systems to be created, interrogated and maintained.
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separates the applications from the data and provides features that allow database systems to be interrogated and maintained.
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separates the applications from the data and provides features that allow database systems to be created and maintained.
Frage 6
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A flat file database is...
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a persistent organised store of data where data is stored in a single file organised into fields.
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a persistent organised store of data where data is stored in a single file organised into fields and records.
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an organised store of data where data is stored in a single file organised into fields and records.
Frage 7
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A relational database is...
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a persistent organised store of data where data is stored as a collection of tables to minimise data redundancy.
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a persistent store of data where data is stored as a collection of related tables to minimise data redundancy.
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a persistent organised store of data where data is stored as a collection of related tables to minimise data redundancy.
Frage 8
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An entity is a real world object, about which data is stored in a database and corresponds to...
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a table in a relational database.
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a field in a relational database.
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a primary key in a relational database.
Frage 9
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A table is a collection of data organised into records and fields within a relational database. A table represents a...
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foreign key
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real-world entity.
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report.
Frage 10
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Data stored about one instance of an entity, i.e. one particular person or object is called...
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table.
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a record.
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a field.
Frage 11
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One specific data item being stored such as a surname or shoe size is called...
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a primary key.
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a table.
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a field.
Frage 12
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A field in a table that uniquely identifies a record is called a...
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foreign key.
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primary key.
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entity key.
Frage 13
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A field in one table that is a primary key in another table and is used to create a relationship between those two tables is called...
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a primary key.
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a foreign key.
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a relationship key.
Frage 14
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A database form is...
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an interactive window used for data entry that doesn't include validation routines.
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an interactive window used for data entry that always includes validation routines.
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an interactive window used for data entry that usually includes validation routines.
Frage 15
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When the computer software checks that data entered is sensible.
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Validation
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Verification
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Verify
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Validate
Frage 16
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Where data is entered twice and checked that each version is the same, to avoid data being entered with typing
mistakes.
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Validation
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Verification
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Validate
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Verify
Frage 17
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Where data is entered twice and checked that each version is the same, to avoid data being entered with typing
mistakes.
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Validation
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Verification
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Validate
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Verify
Frage 18
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A feature of a DBMS that allows the database to be interrogated. It selects records from the database based on
specified criteria.
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Report
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Query
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Search
Frage 19
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Data from a database that has been processed and presented on a page in a way that makes it information.
Designed for hard copy.
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Report
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Query
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Letter
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