Related Questions

Which of the following are objective database and not a relational database?
A Web SQL Database
B FileSystem API
C IndexedDB
D User data
In an enterprise-class database system, business users interact directly with database applications, which directly access the database data.
A True
B False
In an Enterprise-class database system, business users interact directly with database applications that interact with the DBMS, which directly accesses the database data.
A True
B False
Which of the following is not a relational database?
A 4th Dimension
B Reflex
C dBASE IV
D FoxPro
Which of the following is not characteristic of a relational database model?
A tables
B treelike structure
C complex logical relationships
D records
E None of the above
A rule of thumb for choosing indexes for a relational database includes which of the following?
A Indexes are more useful on smaller tables.
B Indexes are more useful for columns that do not appear frequently in the WHERE clause in queries.
C Do not specify a unique index for the primary key of each table.
D Be careful indexing attributes that have null values.
Datasets which reside on the user's hard drive are created by ADO.NET to facilitate the transformation of XML documents to and from relational database constructs.
A True
B False
Which language has recently become the de-facto standard for interfacing application programs with relational database system?
A Oracle
B SQL
C dBASE
D 4GL
E None of the above
what represents a row in a relational database?
A variable q
B tuple
C entity
D field
When transforming an entity-relationship model into a relational database design, each entity is represented as a table.
A True
B False

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