________ was adopted as a national standard by ANSI in 1992.

Introduction to SQL
________ was adopted as a national standard by ANSI in 1992.

DBase

Microsoft Access

Oracle

SQL

DBase

Microsoft Access

Oracle

SQL

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Introduction to SQL
Which of the following query finds the name of the sailors who have reserved at least two boats?

SELECT DISTINCT s.sname FROM sailors s, reserves r1, reserves r2 WHERE s.sid = r1.sid AND COUNT(r1.bid) > r2.bid

SELECT DISTINCT s.sname FROM sailors s, reserves r1, reserves r2 WHERE s.sid = r1.sid AND r1.sid = r2.sid AND r1.bid ≠ r2.bid

SELECT DISTINCT s.sname FROM sailors s, reserves r1, reserves r2 WHERE s.sid = r1.sid AND r1.sid = r2.sid AND r1.bid <> r2.bid

All of these

SELECT DISTINCT s.sname FROM sailors s, reserves r1, reserves r2 WHERE s.sid = r1.sid AND COUNT(r1.bid) > r2.bid

SELECT DISTINCT s.sname FROM sailors s, reserves r1, reserves r2 WHERE s.sid = r1.sid AND r1.sid = r2.sid AND r1.bid ≠ r2.bid

SELECT DISTINCT s.sname FROM sailors s, reserves r1, reserves r2 WHERE s.sid = r1.sid AND r1.sid = r2.sid AND r1.bid <> r2.bid

All of these

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Introduction to SQL
Which of the following is the original purpose of SQL?

To specify the syntax and semantics of SQL manipulation language

To define the data structures

All of these

To specify the syntax and semantics of SQL data definition language

To specify the syntax and semantics of SQL manipulation language

To define the data structures

All of these

To specify the syntax and semantics of SQL data definition language

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Introduction to SQL
The result of a SQL SELECT statement is a ________ .

table

file

report

form

table

file

report

form

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Introduction to SQL
Which command undo all the updates performed by the SQL in the transaction?

TRUNCATE

COMMIT

ROLLBACK

DELETE

TRUNCATE

COMMIT

ROLLBACK

DELETE

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Introduction to SQL
Data manipulation language (DML) commands are used to define a database, including creating, altering, and dropping tables and establishing constraints.

False

True

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Introduction to SQL

Introduction to SQL ________ was adopted as a national standard by ANSI in 1992.

Introduction to SQL Which of the following query finds the name of the sailors who have reserved at least two boats?

Introduction to SQL Which of the following is the original purpose of SQL?

Introduction to SQL The result of a SQL SELECT statement is a ________ .

Introduction to SQL Which command undo all the updates performed by the SQL in the transaction?

Introduction to SQL Data manipulation language (DML) commands are used to define a database, including creating, altering, and dropping tables and establishing constraints.

Introduction to SQL
________ was adopted as a national standard by ANSI in 1992.

Introduction to SQL
Which of the following query finds the name of the sailors who have reserved at least two boats?

Introduction to SQL
Which of the following is the original purpose of SQL?

Introduction to SQL
The result of a SQL SELECT statement is a ________ .

Introduction to SQL
Which command undo all the updates performed by the SQL in the transaction?

Introduction to SQL
Data manipulation language (DML) commands are used to define a database, including creating, altering, and dropping tables and establishing constraints.