A dynamic view is one whose contents materialize when referenced.

Introduction to SQL
A dynamic view is one whose contents materialize when referenced.

True

False

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Introduction to SQL
Which of the following do you need to consider when you make a table in SQL?

Default values

All of these

Primary keys

Data types

Default values

All of these

Primary keys

Data types

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Introduction to SQL
Table employee has 10 records. It has a non-NULL SALARY column which is also UNIQUE.The SQL statementSELECT COUNT(*) FROM employee WHERE SALARY > ALL (SELECT SALARY FROM EMPLOYEE);prints

10

5

0

9

10

5

0

9

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Introduction to SQL
Find the temperature in increasing order of all cities

SELECT city FROM weather ORDER BY temperature;

SELECT city, temperature FROM weather;

SELECT city, temperature FROM weather ORDER BY city;

SELECT city, temperature FROM weather ORDER BY temperature;

SELECT city FROM weather ORDER BY temperature;

SELECT city, temperature FROM weather;

SELECT city, temperature FROM weather ORDER BY city;

SELECT city, temperature FROM weather ORDER BY temperature;

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Introduction to SQL
Which of the following query finds the total rating of the sailors who have reserved boat "103"?

c) SELECT COUNT(s.rating) FROM sailors s, reserves r WHERE s.sid = r.sid AND r.bid = 103

SELECT SUM(s.rating) FROM sailors s, reserves r AND r.bid = 103;

SELECT SUM(s.rating) FROM sailors s, reserves r WHERE s.sid = r.sid AND r.bid = 103

SELECT s.rating FROM sailors s, reserves r WHERE s.sid = r.sid AND r.bid = 103

c) SELECT COUNT(s.rating) FROM sailors s, reserves r WHERE s.sid = r.sid AND r.bid = 103

SELECT SUM(s.rating) FROM sailors s, reserves r AND r.bid = 103;

SELECT SUM(s.rating) FROM sailors s, reserves r WHERE s.sid = r.sid AND r.bid = 103

SELECT s.rating FROM sailors s, reserves r WHERE s.sid = r.sid AND r.bid = 103

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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 A dynamic view is one whose contents materialize when referenced.

Introduction to SQL Which of the following do you need to consider when you make a table in SQL?

Introduction to SQL Table employee has 10 records. It has a non-NULL SALARY column which is also UNIQUE.The SQL statementSELECT COUNT(*) FROM employee WHERE SALARY > ALL (SELECT SALARY FROM EMPLOYEE);prints

Introduction to SQL Find the temperature in increasing order of all cities

Introduction to SQL Which of the following query finds the total rating of the sailors who have reserved boat "103"?

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
A dynamic view is one whose contents materialize when referenced.

Introduction to SQL
Which of the following do you need to consider when you make a table in SQL?

Introduction to SQL
Table employee has 10 records. It has a non-NULL SALARY column which is also UNIQUE.The SQL statementSELECT COUNT(*) FROM employee WHERE SALARY > ALL (SELECT SALARY FROM EMPLOYEE);prints

Introduction to SQL
Find the temperature in increasing order of all cities

Introduction to SQL
Which of the following query finds the total rating of the sailors who have reserved boat "103"?

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.