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Questions and Answers
Which of the following is true about SQL?
Which of the following is true about SQL?
- SQL is a programming language.
- SQL is a standard language for accessing and manipulating databases. (correct)
- SQL is a type of database.
- SQL is only used in web development.
What does RDBMS stand for?
What does RDBMS stand for?
- Relational Data Manipulation System
- Remote Data Manipulation System
- Relational Database Management System (correct)
- Remote Database Management System
What is a record in a database table?
What is a record in a database table?
- A collection of related data entries
- A field in a table
- A column in a table
- A row in a table (correct)
Which type of SQL command is used to define data tables?
Which type of SQL command is used to define data tables?
Which SQL command is used to narrow down the amount of data selected from a table?
Which SQL command is used to narrow down the amount of data selected from a table?
What does the CREATE command do in SQL?
What does the CREATE command do in SQL?
Which SQL command is used to remove rows from a named table?
Which SQL command is used to remove rows from a named table?
Which of the following is NOT a use of SQL?
Which of the following is NOT a use of SQL?
What is the most basic unit of a database?
What is the most basic unit of a database?
Which of the following is a logical representation of data assembled from one or more database tables?
Which of the following is a logical representation of data assembled from one or more database tables?
Which organization adopted the official SQL standard in 1986?
Which organization adopted the official SQL standard in 1986?
Which of the following is true about aggregation functions in SQL?
Which of the following is true about aggregation functions in SQL?
What happens when an attribute is not part of the GROUP BY clause in a SQL query?
What happens when an attribute is not part of the GROUP BY clause in a SQL query?
Which category does SQL fall under?
Which category does SQL fall under?
Which two organizations have approved SQL as a standard for decades?
Which two organizations have approved SQL as a standard for decades?
Which two companies rely largely on solutions revolving around the SQL language?
Which two companies rely largely on solutions revolving around the SQL language?
What are the four components of the LAMP stack?
What are the four components of the LAMP stack?
What is the acronym for the style of applications that involve Create, Read, Update, and Delete operations?
What is the acronym for the style of applications that involve Create, Read, Update, and Delete operations?
Which statement accurately describes the UPDATE command in SQL?
Which statement accurately describes the UPDATE command in SQL?
What is the main purpose of SQL-on-Hadoop tools?
What is the main purpose of SQL-on-Hadoop tools?
What is the main security vulnerability associated with SQL servers?
What is the main security vulnerability associated with SQL servers?
Which of the following roles can benefit from SQL experience?
Which of the following roles can benefit from SQL experience?
Which of the following is true about SQL?
Which of the following is true about SQL?
What is the purpose of normalization in SQL database design?
What is the purpose of normalization in SQL database design?
Which of the following is NOT a characteristic of a relational database?
Which of the following is NOT a characteristic of a relational database?
What is the purpose of the ORDER BY clause in SQL?
What is the purpose of the ORDER BY clause in SQL?
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