If you are going to use a combination of three or more AND and OR conditions, it is often easier to use the NOT and NOT IN operators.

Introduction to SQL
If you are going to use a combination of three or more AND and OR conditions, it is often easier to use the NOT and NOT IN operators.

True

False

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Introduction to SQL
The SQL statementSELECT SUBSTR('abcdefghij', INSTR('123321234', '2', 3, 2), 2) FROM DUAL;prints

ab

bc

23

gh

ab

bc

23

gh

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Introduction to SQL
The benefits of a standard relational language include which of the following?

Reduced training costs

Increased dependence on a single vendor

Applications are not needed

All of these

Reduced training costs

Increased dependence on a single vendor

Applications are not needed

All of these

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Introduction to SQL
What is a view?

None of these

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.

A view is a database diagram.

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

None of these

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.

A view is a database diagram.

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

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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 with even partial criteria met are to be returned.

all columns of the table are to be returned.

all records meeting the full criteria are to be returned.

None of these

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

all columns of the table are to be returned.

all records meeting the full criteria are to be returned.

None of these

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Introduction to SQL
Which of the following SQL commands can be used to add data to a database table?

ADD

UPDATE

APPEND

INSERT

ADD

UPDATE

APPEND

INSERT

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Introduction to SQL

Introduction to SQL If you are going to use a combination of three or more AND and OR conditions, it is often easier to use the NOT and NOT IN operators.

Introduction to SQL The SQL statementSELECT SUBSTR('abcdefghij', INSTR('123321234', '2', 3, 2), 2) FROM DUAL;prints

Introduction to SQL The benefits of a standard relational language include which of the following?

Introduction to SQL What is a view?

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 Which of the following SQL commands can be used to add data to a database table?

Introduction to SQL
If you are going to use a combination of three or more AND and OR conditions, it is often easier to use the NOT and NOT IN operators.

Introduction to SQL
The SQL statementSELECT SUBSTR('abcdefghij', INSTR('123321234', '2', 3, 2), 2) FROM DUAL;prints

Introduction to SQL
The benefits of a standard relational language include which of the following?

Introduction to SQL
What is a view?

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
Which of the following SQL commands can be used to add data to a database table?