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

False

True

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Introduction to SQL
What is a view?

None of these

A view is a database diagram.

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

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 database diagram.

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

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
A view is which of the following?

A base table that can be accessed via SQL commands

A virtual table that cannot be accessed via SQL commands

A virtual table that can be accessed via SQL commands

A base table that cannot be accessed via SQL commands

A base table that can be accessed via SQL commands

A virtual table that cannot be accessed via SQL commands

A virtual table that can be accessed via SQL commands

A base table that cannot be accessed via SQL commands

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

True

False

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Introduction to SQL
In an SQL SELECT statement querying a single table, according to the SQL-92 standard the asterisk (*) means that:

all records meeting the full criteria are to be returned.

all records with even partial criteria met are to be returned.

all columns of the table are to be returned.

None of these

all records meeting the full criteria are to be returned.

all records with even partial criteria met are to be returned.

all columns of the table are to be returned.

None of these

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Introduction to SQL

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

Introduction to SQL What is a view?

Introduction to SQL A view is which of the following?

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

Introduction to SQL In an SQL SELECT statement querying a single table, according to the SQL-92 standard the asterisk (*) means that:

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

Introduction to SQL
What is a view?

Introduction to SQL
A view is which of the following?

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

Introduction to SQL
In an SQL SELECT statement querying a single table, according to the SQL-92 standard the asterisk (*) means that: