Data Definition Language (DDL): It is used for creating tables and other structures. They perform operations like, creating tables, modifying database , and removing database. Table Creation: Creating table comes under Data Definition Language (DDL). Syntax for creating table is as follows: CREATE TABLE TABLE_NAME ( Column1 datatype, Column2 datatype, … );

Question

Want to see the full answer?

Answer 1

Question

Chapter 21, Problem 9E

Program Plan Intro

Data Definition Language (DDL): It is used for creating tables and other structures. They perform operations like, creating tables, modifying database, and removing database.

Table Creation:

Creating table comes under Data Definition Language (DDL). Syntax for creating table is as follows:

CREATE TABLE TABLE_NAME (

Column1 datatype,

Column2 datatype,

…

);

Explanation of Solution

b.

Query:

create table company(company_name varchar2(50) primary key, city varchar2(50));

Explanation:

The above q...

Explanation of Solution

c.

Query:

create table works(employee_name varchar2(50), company_name varchar2(50), salary number(10, 2), foreign key (employee_name) references employee(employee_name), foreign key(company_name)references company(company_name));

Explanation of Solution

d.

Query:

create table manages(employee_name varchar2(50), manager_name varchar2(50) primary key, foreign key(employee_name) references employee(employee_name));

Explanation:

...

Explanation of Solution

e.

Query:

create table participated (report_number char(20) primary key, license char(20) references car, driver_id char(20) references driver, damage_amount dec(6,2) )

Explanation:

The above query is used creat...

Expert Solution & Answer

Want to see the full answer?

Check out a sample textbook solution

See solution

Students have asked these similar questions

Of the five primary components of an information system (hardware, software, data, people, process), which do you think is the most important to the success of a business organization? Part A - Define each primary component of the information system. Part B - Include your perspective on why your selection is most important. Part C - Provide an example from your personal experience to support your answer.

Management Information Systems

Q2/find the transfer function C/R for the system shown in the figure Re ད

Answer 2

Question

Chapter 21, Problem 9E

Program Plan Intro

Data Definition Language (DDL): It is used for creating tables and other structures. They perform operations like, creating tables, modifying database, and removing database.

Table Creation:

Creating table comes under Data Definition Language (DDL). Syntax for creating table is as follows:

CREATE TABLE TABLE_NAME (

Column1 datatype,

Column2 datatype,

…

);

Explanation of Solution

b.

Query:

create table company(company_name varchar2(50) primary key, city varchar2(50));

Explanation:

The above q...

Explanation of Solution

c.

Query:

create table works(employee_name varchar2(50), company_name varchar2(50), salary number(10, 2), foreign key (employee_name) references employee(employee_name), foreign key(company_name)references company(company_name));

Explanation of Solution

d.

Query:

create table manages(employee_name varchar2(50), manager_name varchar2(50) primary key, foreign key(employee_name) references employee(employee_name));

Explanation:

...

Explanation of Solution

e.

Query:

create table participated (report_number char(20) primary key, license char(20) references car, driver_id char(20) references driver, damage_amount dec(6,2) )

Explanation:

The above query is used creat...

Expert Solution & Answer

Want to see the full answer?

Check out a sample textbook solution

See solution

Answer 3

Question

Chapter 21, Problem 9E

Program Plan Intro

Data Definition Language (DDL): It is used for creating tables and other structures. They perform operations like, creating tables, modifying database, and removing database.

Table Creation:

Creating table comes under Data Definition Language (DDL). Syntax for creating table is as follows:

CREATE TABLE TABLE_NAME (

Column1 datatype,

Column2 datatype,

…

);

Explanation of Solution

b.

Query:

create table company(company_name varchar2(50) primary key, city varchar2(50));

Explanation:

The above q...

Explanation of Solution

c.

Query:

create table works(employee_name varchar2(50), company_name varchar2(50), salary number(10, 2), foreign key (employee_name) references employee(employee_name), foreign key(company_name)references company(company_name));

Explanation of Solution

d.

Query:

create table manages(employee_name varchar2(50), manager_name varchar2(50) primary key, foreign key(employee_name) references employee(employee_name));

Explanation:

...

Explanation of Solution

e.

Query:

create table participated (report_number char(20) primary key, license char(20) references car, driver_id char(20) references driver, damage_amount dec(6,2) )

Explanation:

The above query is used creat...

Expert Solution & Answer

Want to see the full answer?

Check out a sample textbook solution

See solution

Answer 4

Question

Chapter 21, Problem 9E

Program Plan Intro

Data Definition Language (DDL): It is used for creating tables and other structures. They perform operations like, creating tables, modifying database, and removing database.

Table Creation:

Creating table comes under Data Definition Language (DDL). Syntax for creating table is as follows:

CREATE TABLE TABLE_NAME (

Column1 datatype,

Column2 datatype,

…

);

Explanation of Solution

b.

Query:

create table company(company_name varchar2(50) primary key, city varchar2(50));

Explanation:

The above q...

Explanation of Solution

c.

Query:

create table works(employee_name varchar2(50), company_name varchar2(50), salary number(10, 2), foreign key (employee_name) references employee(employee_name), foreign key(company_name)references company(company_name));

Explanation of Solution

d.

Query:

create table manages(employee_name varchar2(50), manager_name varchar2(50) primary key, foreign key(employee_name) references employee(employee_name));

Explanation:

...

Explanation of Solution

e.

Query:

create table participated (report_number char(20) primary key, license char(20) references car, driver_id char(20) references driver, damage_amount dec(6,2) )

Explanation:

The above query is used creat...

Expert Solution & Answer

Want to see the full answer?

Check out a sample textbook solution

See solution

Answer 5

Chapter 21, Problem 9E

Program Plan Intro

Data Definition Language (DDL): It is used for creating tables and other structures. They perform operations like, creating tables, modifying database, and removing database.

Table Creation:

Creating table comes under Data Definition Language (DDL). Syntax for creating table is as follows:

CREATE TABLE TABLE_NAME (

Column1 datatype,

Column2 datatype,

…

);

Explanation of Solution

b.

Query:

create table company(company_name varchar2(50) primary key, city varchar2(50));

Explanation:

The above q...

Explanation of Solution

c.

Query:

create table works(employee_name varchar2(50), company_name varchar2(50), salary number(10, 2), foreign key (employee_name) references employee(employee_name), foreign key(company_name)references company(company_name));

Explanation of Solution

d.

Query:

create table manages(employee_name varchar2(50), manager_name varchar2(50) primary key, foreign key(employee_name) references employee(employee_name));

Explanation:

...

Explanation of Solution

e.

Query:

create table participated (report_number char(20) primary key, license char(20) references car, driver_id char(20) references driver, damage_amount dec(6,2) )

Explanation:

The above query is used creat...

Answer 6

Chapter 21, Problem 9E

Program Plan Intro

Data Definition Language (DDL): It is used for creating tables and other structures. They perform operations like, creating tables, modifying database, and removing database.

Table Creation:

Creating table comes under Data Definition Language (DDL). Syntax for creating table is as follows:

CREATE TABLE TABLE_NAME (

Column1 datatype,

Column2 datatype,

…

);

Answer 7

Chapter 21, Problem 9E

Program Plan Intro

Data Definition Language (DDL): It is used for creating tables and other structures. They perform operations like, creating tables, modifying database, and removing database.

Table Creation:

Creating table comes under Data Definition Language (DDL). Syntax for creating table is as follows:

CREATE TABLE TABLE_NAME (

Column1 datatype,

Column2 datatype,

…

);

Answer 8

Explanation of Solution

b.

Query:

create table company(company_name varchar2(50) primary key, city varchar2(50));

Explanation:

The above q...

Answer 9

Explanation of Solution

b.

Query:

create table company(company_name varchar2(50) primary key, city varchar2(50));

Explanation:

The above q...

Answer 10

Explanation of Solution

c.

Query:

create table works(employee_name varchar2(50), company_name varchar2(50), salary number(10, 2), foreign key (employee_name) references employee(employee_name), foreign key(company_name)references company(company_name));

Answer 11

Explanation of Solution

c.

Query:

create table works(employee_name varchar2(50), company_name varchar2(50), salary number(10, 2), foreign key (employee_name) references employee(employee_name), foreign key(company_name)references company(company_name));

Answer 12

Explanation of Solution

d.

Query:

create table manages(employee_name varchar2(50), manager_name varchar2(50) primary key, foreign key(employee_name) references employee(employee_name));

Explanation:

...

Answer 13

Explanation of Solution

d.

Query:

create table manages(employee_name varchar2(50), manager_name varchar2(50) primary key, foreign key(employee_name) references employee(employee_name));

Explanation:

...

Answer 14

Explanation of Solution

e.

Query:

create table participated (report_number char(20) primary key, license char(20) references car, driver_id char(20) references driver, damage_amount dec(6,2) )

Explanation:

The above query is used creat...

Answer 15

Explanation of Solution

e.

Query:

create table participated (report_number char(20) primary key, license char(20) references car, driver_id char(20) references driver, damage_amount dec(6,2) )

Explanation:

The above query is used creat...

Answer 16

Expert Solution & Answer

Answer 17

Expert Solution & Answer

Answer 18

Want to see the full answer?

Check out a sample textbook solution

See solution

Answer 19

Ch. 21 - Prob. 1PE Ch. 21 - Prob. 2PE Ch. 21 - Prob. 4PE Ch. 21 - Prob. 5PE Ch. 21 - Prob. 6PE Ch. 21 - Prob. 9E Ch. 21 - Prob. 10E

Concept explainers

Explanation of Solution

b.

Query:

create table company(company_name varchar2(50) primary key, city varchar2(50));

Explanation:

The above q...

Explanation of Solution

c.

Query:

create table works(employee_name varchar2(50), company_name varchar2(50), salary number(10, 2), foreign key (employee_name) references employee(employee_name), foreign key(company_name)references company(company_name));

Explanation of Solution

d.

Query:

create table manages(employee_name varchar2(50), manager_name varchar2(50) primary key, foreign key(employee_name) references employee(employee_name));

Explanation:

...

Explanation of Solution

e.

Query:

create table participated (report_number char(20) primary key, license char(20) references car, driver_id char(20) references driver, damage_amount dec(6,2) )

Explanation:

The above query is used creat...

Want to see the full answer?

Chapter 21 Solutions

Concept explainers

Explanation of Solution

b. Query: create table company(company_name varchar2(50) primary key, city varchar2(50)); Explanation: The above q...

Explanation of Solution

c. Query: create table works(employee_name varchar2(50), company_name varchar2(50), salary number(10, 2), foreign key (employee_name) references employee(employee_name), foreign key(company_name)references company(company_name));

Explanation of Solution

d. Query: create table manages(employee_name varchar2(50), manager_name varchar2(50) primary key, foreign key(employee_name) references employee(employee_name)); Explanation: ...

Explanation of Solution

e. Query: create table participated (report_number char(20) primary key, license char(20) references car, driver_id char(20) references driver, damage_amount dec(6,2) ) Explanation: The above query is used creat...

Want to see the full answer?

Chapter 21 Solutions

b.

Query:

create table company(company_name varchar2(50) primary key, city varchar2(50));

Explanation:

The above q...

c.

Query:

create table works(employee_name varchar2(50), company_name varchar2(50), salary number(10, 2), foreign key (employee_name) references employee(employee_name), foreign key(company_name)references company(company_name));

d.

Query:

create table manages(employee_name varchar2(50), manager_name varchar2(50) primary key, foreign key(employee_name) references employee(employee_name));

Explanation:

...

e.

Query:

create table participated (report_number char(20) primary key, license char(20) references car, driver_id char(20) references driver, damage_amount dec(6,2) )

Explanation:

The above query is used creat...