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Database management systems (DBMS)
Questions with Correct Answers for Specific
Exam Mail
What is a database management system?
Ans: a program controlling the structure of a database and access to the
data; creates, processes, and administers database
What are some advantages of a DBMS?
Ans: -reduced data redundancy
-improved data integrity
-more program independence
-increased user productivity
-increased security
What is DBMS used for?
Ans: to create tables and relationships in databases
What do applications use DBMS for?
Ans: to read, insert, modify, and delete data
What is a structured query language (SQL)?
Ans: SQL is an international standard language for manipulating relational
databases
What do SQL queries consist of?
Pretest - Stuvia US
, 2
Ans: an action, database table name, set of parameters
What are SQL keywords?
Ans: they issue instructions
-create, delete, insert, etc.
What are boo lean operators?
Ans: AND, OR, NOT for searching
What are global updates?
Ans: based on some criteria
What are joining tables?
Ans: creating relationship
What are some things that go into selecting a DBMS?
Ans: database size
number of concurrent users
performance
integration
features
vendor
cost
What is a database structure?
Pretest - Stuvia US
Database management systems (DBMS)
Questions with Correct Answers for Specific
Exam Mail
What is a database management system?
Ans: a program controlling the structure of a database and access to the
data; creates, processes, and administers database
What are some advantages of a DBMS?
Ans: -reduced data redundancy
-improved data integrity
-more program independence
-increased user productivity
-increased security
What is DBMS used for?
Ans: to create tables and relationships in databases
What do applications use DBMS for?
Ans: to read, insert, modify, and delete data
What is a structured query language (SQL)?
Ans: SQL is an international standard language for manipulating relational
databases
What do SQL queries consist of?
Pretest - Stuvia US
, 2
Ans: an action, database table name, set of parameters
What are SQL keywords?
Ans: they issue instructions
-create, delete, insert, etc.
What are boo lean operators?
Ans: AND, OR, NOT for searching
What are global updates?
Ans: based on some criteria
What are joining tables?
Ans: creating relationship
What are some things that go into selecting a DBMS?
Ans: database size
number of concurrent users
performance
integration
features
vendor
cost
What is a database structure?
Pretest - Stuvia US