The SQL statement that queries or reads data from a table is ________ .

Introduction to SQL
The SQL statement that queries or reads data from a table is ________ .

None of these

READ

SELECT

QUERY

None of these

READ

SELECT

QUERY

ANSWER DOWNLOAD EXAMIANS APP

Introduction to SQL
The SELECT command, with its various clauses, allows users to query the data contained in the tables and ask many different questions or ad hoc queries.

True

False

ANSWER DOWNLOAD EXAMIANS APP

Introduction to SQL
SELECT DISTINCT is used if a user wishes to see duplicate columns in a query.

False

True

ANSWER DOWNLOAD EXAMIANS APP

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

SELECT SUM(s.rating) FROM sailors s, reserves r 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 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

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

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

ANSWER DOWNLOAD EXAMIANS APP

Introduction to SQL
Which of the following SQL query is correct for selecting the name of staffs from 'staffinfo' table where salary is 10,000 or 25,000?

Both A and B

SELECT name FROM staffinfo WHERE salary BETWEEN 10000 AND 25000;

None of these

SELECT name FROM staffinfo WHERE salary IN (10000, 25000);

Both A and B

SELECT name FROM staffinfo WHERE salary BETWEEN 10000 AND 25000;

None of these

SELECT name FROM staffinfo WHERE salary IN (10000, 25000);

ANSWER DOWNLOAD EXAMIANS APP

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.

False

True

ANSWER DOWNLOAD EXAMIANS APP

Introduction to SQL

Introduction to SQL The SQL statement that queries or reads data from a table is ________ .

Introduction to SQL The SELECT command, with its various clauses, allows users to query the data contained in the tables and ask many different questions or ad hoc queries.

Introduction to SQL SELECT DISTINCT is used if a user wishes to see duplicate columns in a query.

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

Introduction to SQL Which of the following SQL query is correct for selecting the name of staffs from 'staffinfo' table where salary is 10,000 or 25,000?

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
The SQL statement that queries or reads data from a table is ________ .

Introduction to SQL
The SELECT command, with its various clauses, allows users to query the data contained in the tables and ask many different questions or ad hoc queries.

Introduction to SQL
SELECT DISTINCT is used if a user wishes to see duplicate columns in a query.

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

Introduction to SQL
Which of the following SQL query is correct for selecting the name of staffs from 'staffinfo' table where salary is 10,000 or 25,000?

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.