The HAVING clause does which of the following?

Introduction to SQL
The HAVING clause does which of the following?

Acts like a WHERE clause but is used for rows rather than columns.

Acts like a WHERE clause but is used for columns rather than groups.

Acts like a WHERE clause but is used for groups rather than rows.

Acts EXACTLY like a WHERE clause.

Acts like a WHERE clause but is used for rows rather than columns.

Acts like a WHERE clause but is used for columns rather than groups.

Acts like a WHERE clause but is used for groups rather than rows.

Acts EXACTLY like a WHERE clause.

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Introduction to SQL
The SQL statement: SELECT Number1 + Number 2 AS Total FROM NUMBER_TABLE; adds two numbers from each row together and lists the results in a column named Total.

True

False

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

COMMIT

TRUNCATE

ROLLBACK

DELETE

COMMIT

TRUNCATE

ROLLBACK

DELETE

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Introduction to SQL
Which of the following is a valid SQL type?

All of these

FLOAT

NUMERIC

CHARACTER

All of these

FLOAT

NUMERIC

CHARACTER

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Introduction to SQL
What is a view?

None of these

A view is a special stored procedure executed when certain event occurs.

A view is a database diagram.

A view is a virtual table which results of executing a pre-compiled query. A view is not part of the physical database schema, while the regular tables are.

None of these

A view is a special stored procedure executed when certain event occurs.

A view is a database diagram.

A view is a virtual table which results of executing a pre-compiled query. A view is not part of the physical database schema, while the regular tables are.

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Introduction to SQL
Indexes can usually be created for both primary and secondary keys.

True

False

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Introduction to SQL

Introduction to SQL The HAVING clause does which of the following?

Introduction to SQL The SQL statement: SELECT Number1 + Number 2 AS Total FROM NUMBER_TABLE; adds two numbers from each row together and lists the results in a column named Total.

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

Introduction to SQL Which of the following is a valid SQL type?

Introduction to SQL What is a view?

Introduction to SQL Indexes can usually be created for both primary and secondary keys.

Introduction to SQL
The HAVING clause does which of the following?

Introduction to SQL
The SQL statement: SELECT Number1 + Number 2 AS Total FROM NUMBER_TABLE; adds two numbers from each row together and lists the results in a column named Total.

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

Introduction to SQL
Which of the following is a valid SQL type?

Introduction to SQL
What is a view?

Introduction to SQL
Indexes can usually be created for both primary and secondary keys.