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
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.

False

True

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Introduction to SQL
............. joins two or more tables based on a specified column value not equaling a specified column value in another table.

NON-EQUIJOIN

NATURAL JOIN

EQUIJOIN

OUTER JOIN

NON-EQUIJOIN

NATURAL JOIN

EQUIJOIN

OUTER JOIN

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

SELECT city, temperature FROM weather ORDER BY city;

SELECT city, temperature FROM weather;

SELECT city, temperature FROM weather ORDER BY temperature;

SELECT city FROM weather ORDER BY temperature;

SELECT city, temperature FROM weather ORDER BY city;

SELECT city, temperature FROM weather;

SELECT city, temperature FROM weather ORDER BY temperature;

SELECT city FROM weather ORDER BY temperature;

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Introduction to SQL
The SQL WHERE clause:

limits the column data that are returned.

limits the row data are returned.

Both A and B are correct.

Neither A nor B are correct.

limits the column data that are returned.

limits the row data are returned.

Both A and B are correct.

Neither A nor B are correct.

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Introduction to SQL
Which of the following query finds the names of the sailors who have reserved at least one boat?

SELECT DISTINCT s.sname FROM sailors s, reserves r WHERE s.sid = r.sid;

None of These

SELECT s.sname FROM sailors s, reserves r WHERE s.sid = r.sid;

SELECT DISTINCT s.sname FROM sailors, reserves WHERE s.sid = r.sid;

SELECT DISTINCT s.sname FROM sailors s, reserves r WHERE s.sid = r.sid;

None of These

SELECT s.sname FROM sailors s, reserves r WHERE s.sid = r.sid;

SELECT DISTINCT s.sname FROM sailors, reserves WHERE s.sid = r.sid;

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Introduction to SQL
SQL data definition commands make up a(n) ________ .

DML

HTML

XML

DDL

DML

HTML

XML

DDL

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Introduction to SQL

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 ............. joins two or more tables based on a specified column value not equaling a specified column value in another table.

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

Introduction to SQL The SQL WHERE clause:

Introduction to SQL Which of the following query finds the names of the sailors who have reserved at least one boat?

Introduction to SQL SQL data definition commands make up a(n) ________ .

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
............. joins two or more tables based on a specified column value not equaling a specified column value in another table.

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

Introduction to SQL
The SQL WHERE clause:

Introduction to SQL
Which of the following query finds the names of the sailors who have reserved at least one boat?

Introduction to SQL
SQL data definition commands make up a(n) ________ .