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Questions and Answers
Which statement best describes SQL?
Which statement best describes SQL?
- SQL is a data definition language used for specifying security and authorization.
- SQL is a programming language used for defining views on the database.
- SQL is a data manipulation language used for specifying integrity constraints.
- SQL is a structured query language used for data definitions, queries, and updates. (correct)
What are the two main components of the SQL standards?
What are the two main components of the SQL standards?
- Relational databases and commercial success
- Core specification and optional modules (correct)
- Data definitions and data types
- Structured query language and data manipulation language
Which of the following is NOT a use of SQL?
Which of the following is NOT a use of SQL?
- Specifying security and authorization
- Defining integrity constraints
- Defining views on the database
- Embedding SQL statements into a general-purpose programming language (correct)
What is one of the major reasons for the commercial success of relational databases?
What is one of the major reasons for the commercial success of relational databases?
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Which SQL standard introduced the Core specification and specialized extensions?
Which SQL standard introduced the Core specification and specialized extensions?
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