SQL: SQL stands for “Structured Query Language”. The current version of SQL is “ANSI SQL – 92”. SQL is not a programming language. It is text-based and it is also called as data sublanguage. In order to get SQL as a complete programming language, it should be included in scripting languages like Java, C#, and so on. It contains constructs which are used to define and process database . They are executed using DBMS-supplied command prompt. Some of the DBMS products that provide GUI tools in order to perform tasks are as follows: SQL Server Oracle Database MySQL Data Manipulation Language (DML): This is used for manipulation like, querying, insertion, updating, and deletion of data. Query to create table “EMPLOYEE”: CREATE TABLE EMPLOYEE (emp_id number(10) NOT NULL, emp_name varchar2(50) NOT NULL, city varchar2(50),CONSTRAINT emp_pk PRIMARY KEY (emp_id)); Explanation: The above query is used to create the table “EMPlOLYEE”. The attribute “emp_id” is declared as “NUMBER”, “emp_name” and “city” is declared as “varchar”. Here, the attribute “emp_id” is set as primary key.

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Answer 1

Question

Chapter 3, Problem 11RQ

Program Plan Intro

SQL:

SQL stands for “Structured Query Language”.

The current version of SQL is “ANSI SQL – 92”.

SQL is not a programming language. It is text-based and it is also called as data sublanguage.

In order to get SQL as a complete programming language, it should be included in scripting languages like Java, C#, and so on.

It contains constructs which are used to define and process database. They are executed using DBMS-supplied command prompt.

Some of the DBMS products that provide GUI tools in order to perform tasks are as follows:

SQL Server

Oracle Database

MySQL

Data Manipulation Language (DML):

This is used for manipulation like, querying, insertion, updating, and deletion of data.

Query to create table “EMPLOYEE”:

CREATE TABLE EMPLOYEE

(emp_id number(10) NOT NULL,

emp_name varchar2(50) NOT NULL,

city varchar2(50),CONSTRAINT emp_pk PRIMARY KEY (emp_id));

Explanation:

The above query is used to create the table “EMPlOLYEE”. The attribute “emp_id” is declared as “NUMBER”, “emp_name” and “city” is declared as “varchar”. Here, the attribute “emp_id” is set as primary key.

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Answer 2

Question

Chapter 3, Problem 11RQ

Program Plan Intro

SQL:

SQL stands for “Structured Query Language”.

The current version of SQL is “ANSI SQL – 92”.

SQL is not a programming language. It is text-based and it is also called as data sublanguage.

In order to get SQL as a complete programming language, it should be included in scripting languages like Java, C#, and so on.

It contains constructs which are used to define and process database. They are executed using DBMS-supplied command prompt.

Some of the DBMS products that provide GUI tools in order to perform tasks are as follows:

SQL Server

Oracle Database

MySQL

Data Manipulation Language (DML):

This is used for manipulation like, querying, insertion, updating, and deletion of data.

Query to create table “EMPLOYEE”:

CREATE TABLE EMPLOYEE

(emp_id number(10) NOT NULL,

emp_name varchar2(50) NOT NULL,

city varchar2(50),CONSTRAINT emp_pk PRIMARY KEY (emp_id));

Explanation:

The above query is used to create the table “EMPlOLYEE”. The attribute “emp_id” is declared as “NUMBER”, “emp_name” and “city” is declared as “varchar”. Here, the attribute “emp_id” is set as primary key.

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Answer 3

Question

Chapter 3, Problem 11RQ

Program Plan Intro

SQL:

SQL stands for “Structured Query Language”.

The current version of SQL is “ANSI SQL – 92”.

SQL is not a programming language. It is text-based and it is also called as data sublanguage.

In order to get SQL as a complete programming language, it should be included in scripting languages like Java, C#, and so on.

It contains constructs which are used to define and process database. They are executed using DBMS-supplied command prompt.

Some of the DBMS products that provide GUI tools in order to perform tasks are as follows:

SQL Server

Oracle Database

MySQL

Data Manipulation Language (DML):

This is used for manipulation like, querying, insertion, updating, and deletion of data.

Query to create table “EMPLOYEE”:

CREATE TABLE EMPLOYEE

(emp_id number(10) NOT NULL,

emp_name varchar2(50) NOT NULL,

city varchar2(50),CONSTRAINT emp_pk PRIMARY KEY (emp_id));

Explanation:

The above query is used to create the table “EMPlOLYEE”. The attribute “emp_id” is declared as “NUMBER”, “emp_name” and “city” is declared as “varchar”. Here, the attribute “emp_id” is set as primary key.

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Answer 4

Question

Chapter 3, Problem 11RQ

Program Plan Intro

SQL:

SQL stands for “Structured Query Language”.

The current version of SQL is “ANSI SQL – 92”.

SQL is not a programming language. It is text-based and it is also called as data sublanguage.

In order to get SQL as a complete programming language, it should be included in scripting languages like Java, C#, and so on.

It contains constructs which are used to define and process database. They are executed using DBMS-supplied command prompt.

Some of the DBMS products that provide GUI tools in order to perform tasks are as follows:

SQL Server

Oracle Database

MySQL

Data Manipulation Language (DML):

This is used for manipulation like, querying, insertion, updating, and deletion of data.

Query to create table “EMPLOYEE”:

CREATE TABLE EMPLOYEE

(emp_id number(10) NOT NULL,

emp_name varchar2(50) NOT NULL,

city varchar2(50),CONSTRAINT emp_pk PRIMARY KEY (emp_id));

Explanation:

The above query is used to create the table “EMPlOLYEE”. The attribute “emp_id” is declared as “NUMBER”, “emp_name” and “city” is declared as “varchar”. Here, the attribute “emp_id” is set as primary key.

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Answer 5

Chapter 3, Problem 11RQ

Program Plan Intro

SQL:

SQL stands for “Structured Query Language”.

The current version of SQL is “ANSI SQL – 92”.

SQL is not a programming language. It is text-based and it is also called as data sublanguage.

In order to get SQL as a complete programming language, it should be included in scripting languages like Java, C#, and so on.

It contains constructs which are used to define and process database. They are executed using DBMS-supplied command prompt.

Some of the DBMS products that provide GUI tools in order to perform tasks are as follows:

SQL Server

Oracle Database

MySQL

Data Manipulation Language (DML):

This is used for manipulation like, querying, insertion, updating, and deletion of data.

Query to create table “EMPLOYEE”:

CREATE TABLE EMPLOYEE

(emp_id number(10) NOT NULL,

emp_name varchar2(50) NOT NULL,

city varchar2(50),CONSTRAINT emp_pk PRIMARY KEY (emp_id));

Explanation:

The above query is used to create the table “EMPlOLYEE”. The attribute “emp_id” is declared as “NUMBER”, “emp_name” and “city” is declared as “varchar”. Here, the attribute “emp_id” is set as primary key.

Answer 6

Chapter 3, Problem 11RQ

Program Plan Intro

SQL:

SQL stands for “Structured Query Language”.

The current version of SQL is “ANSI SQL – 92”.

SQL is not a programming language. It is text-based and it is also called as data sublanguage.

In order to get SQL as a complete programming language, it should be included in scripting languages like Java, C#, and so on.

It contains constructs which are used to define and process database. They are executed using DBMS-supplied command prompt.

Some of the DBMS products that provide GUI tools in order to perform tasks are as follows:

SQL Server

Oracle Database

MySQL

Data Manipulation Language (DML):

This is used for manipulation like, querying, insertion, updating, and deletion of data.

Query to create table “EMPLOYEE”:

CREATE TABLE EMPLOYEE

(emp_id number(10) NOT NULL,

emp_name varchar2(50) NOT NULL,

city varchar2(50),CONSTRAINT emp_pk PRIMARY KEY (emp_id));

Explanation:

The above query is used to create the table “EMPlOLYEE”. The attribute “emp_id” is declared as “NUMBER”, “emp_name” and “city” is declared as “varchar”. Here, the attribute “emp_id” is set as primary key.

Answer 7

Chapter 3, Problem 11RQ

Program Plan Intro

SQL:

SQL stands for “Structured Query Language”.

The current version of SQL is “ANSI SQL – 92”.

SQL is not a programming language. It is text-based and it is also called as data sublanguage.

In order to get SQL as a complete programming language, it should be included in scripting languages like Java, C#, and so on.

It contains constructs which are used to define and process database. They are executed using DBMS-supplied command prompt.

Some of the DBMS products that provide GUI tools in order to perform tasks are as follows:

SQL Server

Oracle Database

MySQL

Data Manipulation Language (DML):

This is used for manipulation like, querying, insertion, updating, and deletion of data.

Query to create table “EMPLOYEE”:

CREATE TABLE EMPLOYEE

(emp_id number(10) NOT NULL,

emp_name varchar2(50) NOT NULL,

city varchar2(50),CONSTRAINT emp_pk PRIMARY KEY (emp_id));

Explanation:

The above query is used to create the table “EMPlOLYEE”. The attribute “emp_id” is declared as “NUMBER”, “emp_name” and “city” is declared as “varchar”. Here, the attribute “emp_id” is set as primary key.

Answer 8

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Answer 9

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Answer 10

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Answer 11

Ch. 3 - Prob. 1RQ Ch. 3 - How do you delete a table using SQL?Ch. 3 - Prob. 3RQ Ch. 3 - Prob. 4RQ Ch. 3 - Prob. 5RQ Ch. 3 - Prob. 6RQ Ch. 3 - Prob. 7RQ Ch. 3 - Prob. 8RQ Ch. 3 - Prob. 9RQ Ch. 3 - Prob. 10RQ

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