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

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Chapter 3 Solutions
DATABASE SYSTEM CONCEPTS LCPO
- Ensure you answer the question asked at the end of the document. Do not just paste things without the GNS3 console outputsarrow_forward"Do not use AI tools. Solve the problem by hand on paper only and upload a photo of your handwritten solution."arrow_forward"Do not use AI tools. Solve the problem by hand on paper only and upload a photo of your handwritten solution."arrow_forward
- "Do not use AI tools. Solve the problem by hand on paper only and upload a photo of your handwritten solution."arrow_forward"Do not use AI tools. Solve the problem by hand on paper only and upload a photo of your handwritten solution."arrow_forwardSolve this "Do not use AI tools. Solve the problem by hand on paper only and upload a photo of your handwritten solution."arrow_forward
- "Do not use AI tools. Solve the problem by hand on paper only and upload a photo of your handwritten solution."arrow_forward"Do not use AI tools. Solve the problem by hand on paper only and upload a photo of your handwritten solution."arrow_forwardSpecifications: Part-1Part-1: DescriptionIn this part of the lab you will build a single operation ALU. This ALU will implement a bitwise left rotation. Forthis lab assignment you are not allowed to use Digital's Arithmetic components.IF YOU ARE FOUND USING THEM, YOU WILL RECEIVE A ZERO FOR LAB2!The ALU you will be implementing consists of two 4-bit inputs (named inA and inB) and one 4-bit output (named out). Your ALU must rotate the bits in inA by the amount given by inB (i.e. 0-15).Part-1: User InterfaceYou are provided an interface file lab2_part1.dig; start Part-1 from this file.NOTE: You are not permitted to edit the content inside the dotted lines rectangle. Part-1: ExampleIn the figure above, the input values that we have selected to test are inA = {inA_3, inA_2, inA_1, inA_0} = {0, 1, 0,0} and inB = {inB_3, inB_2, inB_1, inB_0} = {0, 0, 1, 0}. Therefore, we must rotate the bus 0100 bitwise left by00102, or 2 in base 10, to get {0, 0, 0, 1}. Please note that a rotation left is…arrow_forward
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