Add to the PADDLING table a new character column named DIFFICULTY_LEVEL that is three characters in length. Then set the default difficulty level value for all rows to the value MOD.

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A Guide to SQL

9th Edition

Philip J. Pratt

Publisher: Course Technology Ptr

ISBN: 9781111527273

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Answer 2

BuyFind

A Guide to SQL

9th Edition

Philip J. Pratt

Publisher: Course Technology Ptr

ISBN: 9781111527273

Solutions

Chapter

Section

Answer 3

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Answer 4

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Answer 5

Program Plan Intro

ALTER TABLE Statement:

“ALTER TABLE” statement comes under Data Definition Language.
It is used to modify column, add constraints, add column(s), drop column, rename column name and table name, drop constraints, and so on.

Syntax:

The Syntax to drop constraint is as follows:

ALTER TABLE table_Name ADD CONSTRAINT constraintName;

UPDATE command:

The UPDATE command is employed to update information present in a table.
It is always used with SET keyword either in bulk or individually.

Syntax for update the value in the table is given as follows:

The Syntax for update the value in the table is given below:

UPDATE table_name

SET column1 = data1, column2 = data2, ...

WHERE condition;

Explanation of Solution

Alter the table “PADDLING”:

ALTER TABLE PADDLING ADD DIFFICULTY_LEVEL CHAR (3);

Explanation:

The above query will add “DIFFICULTY_LEVEL” attribute to the table “PADDLING”.
The “DIFFICULTY_LEVEL” is declared as “CHAR” datatype with a three character length.

Update values into the table “PADDLING”:

UPDATE PADDLING SET D...

Add to the PADDLING table a new character column named DIFFICULTY_LEVEL that is three characters in length. Then set the default difficulty level value for all rows to the value MOD.

A Guide to SQL

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A Guide to SQL