SQL provides the AS keyword, which can be used to assign meaningful column names to the results of queries using the SQL built-in functions.

Introduction to SQL
SQL provides the AS keyword, which can be used to assign meaningful column names to the results of queries using the SQL built-in functions.

False

True

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Introduction to SQL
If a query involves NOT, AND, OR with no parenthesis

AND will be evaluated first; OR will be evaluated second; NOT will be evaluated last.

NOT will be evaluated first; AND will be evaluated second; OR will be evaluated last.

NOT will be evaluated first; OR will be evaluated second; AND will be evaluated last.

The order of occurrence determines the order of evaluation.

AND will be evaluated first; OR will be evaluated second; NOT will be evaluated last.

NOT will be evaluated first; AND will be evaluated second; OR will be evaluated last.

NOT will be evaluated first; OR will be evaluated second; AND will be evaluated last.

The order of occurrence determines the order of evaluation.

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Introduction to SQL
The HAVING clause acts like a WHERE clause, but it identifies groups that meet a criterion, rather than rows.

False

True

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Introduction to SQL
Find the names of the countries whose condition is sunny.

SELECT country FROM location WHERE city UNION (SELECT city FROM weather WHERE condition = 'sunny');

SELECT country FROM location WHERE city IN (SELECT city FROM weather WHERE condition = sunny');

SELECT country FROM location WHERE condition = 'sunny';

SELECT country FROM location WHERE city NOT IN (SELECT city FROM weather WHERE condition = 'sunny');

SELECT country FROM location WHERE city UNION (SELECT city FROM weather WHERE condition = 'sunny');

SELECT country FROM location WHERE city IN (SELECT city FROM weather WHERE condition = sunny');

SELECT country FROM location WHERE condition = 'sunny';

SELECT country FROM location WHERE city NOT IN (SELECT city FROM weather WHERE condition = 'sunny');

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Introduction to SQL
Microsoft Access has become ubiquitous, and being able to program in Access is a critical skill.

False

True

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Introduction to SQL
The SQL statement: SELECT Name, COUNT(*) FROM NAME_TABLE; counts the number of name rows and displays this total in a table with a single row and a single column.

True

False

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Introduction to SQL

Introduction to SQL SQL provides the AS keyword, which can be used to assign meaningful column names to the results of queries using the SQL built-in functions.

Introduction to SQL If a query involves NOT, AND, OR with no parenthesis

Introduction to SQL The HAVING clause acts like a WHERE clause, but it identifies groups that meet a criterion, rather than rows.

Introduction to SQL Find the names of the countries whose condition is sunny.

Introduction to SQL Microsoft Access has become ubiquitous, and being able to program in Access is a critical skill.

Introduction to SQL The SQL statement: SELECT Name, COUNT(*) FROM NAME_TABLE; counts the number of name rows and displays this total in a table with a single row and a single column.

Introduction to SQL
SQL provides the AS keyword, which can be used to assign meaningful column names to the results of queries using the SQL built-in functions.

Introduction to SQL
If a query involves NOT, AND, OR with no parenthesis

Introduction to SQL
The HAVING clause acts like a WHERE clause, but it identifies groups that meet a criterion, rather than rows.

Introduction to SQL
Find the names of the countries whose condition is sunny.

Introduction to SQL
Microsoft Access has become ubiquitous, and being able to program in Access is a critical skill.

Introduction to SQL
The SQL statement: SELECT Name, COUNT(*) FROM NAME_TABLE; counts the number of name rows and displays this total in a table with a single row and a single column.