This presentation shows importance of database technology in the industry. The different types of job and roles available in industry, certification are available from different companies, prominent companies databases, SQL Statement.

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Database & SQL
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Master Class

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Presentation By
Manish Tiwari,
Assistant Professor,
Software Engineer,
Computer Science and Application

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4. Blog: manishtiwarise.blogspot.in
3. Email: tiwarikmanish@gmail.com
1. Twitter: @manishtiwarise
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Find Notes at

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Today’s Agenda
1. Confusion and Clarity = Vision
2. Importance of Data
3. Why to Manage Data
4. Jobs in IT Industry
5. Database Types
6. Certification
7. How to Manage Data

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Confusion
Hkze
குழப்பம்
(dksyie)
fldkoksl
(fQfu’k)

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Clarity
स्पष्टता
Clarté
(in French)

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Vision
Success

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2. Importance of Data
Can you people draw the importance of data ?
Any two

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Teacher Says
Data = Knowledge
Few People Says
Politician Says
We could have won election if we had got correct data.
Businessman Says
We make future strategies for business on the basis of current data.

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Why to Manage Data
Data management is the process of ingesting, storing,
organizing and maintaining the data created and collected by
an organization. Effective data management is a crucial
piece of deploying the IT systems that run business
applications and provide analytical information to help drive
operational decision-making and strategic planning by
corporate executives, business managers and other end
users.

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1. SQL Developer
2. SQL Database Administrator
3. Database Tester
4. SQL Data Analyst
5. Business and Financial Data Analyst
6. SQL Data Scientist
7. Database Architect
8. Database Trainer
9. Data Modeler
Jobs in IT Industry

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1. PostgreSQL
2. Microsoft SQL Server
3. MySQL
4. SAP HANA
5. Oracle Database
Databases Types

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1. IBM Cert1ified Database Administrator – DB2
2. Microsoft SQL Server database certifications**
3. Oracle Certified Professional, MySQL
4. Database Administrator
5. Oracle Database 12c Administrator
6. SAP HANA
Certification

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Type of Data
• Unstructured Data
• Semi structured Data
• Structured Data

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How to Manage Data

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Database Management System

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SQL
(Structured Query Language)
• DDL – Data Definition Language
• DML – Data Manipulation Language
• DCL – Data Control Language
• TCL – Transaction Control Language

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SELECT - Used to retrieve and display information
1. SELECT * FROM EMP ; 2. SELECT id, name FROM EMP;
DML – Data Manipulation Language
INSERT – Enter new data into database
1. INSERT INTO emp (id,name) VALUES (108,’Ram’);
2. INSERT INTO emp (id,name) VALUES (&id, ‘&name’);

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DML – Data Manipulation Language
UPDATE – make changes in existing data .
1. UPDATE TABLE emp SET name = ‘Shyam’ WHERE id = 108;
DELETE – Remove Unwanted data from table
Delete from emp;

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DDL – Data Definition Language
CREATE – make new data base object like Table, View, Procedure, Function,
Package, Sequence etc.
DROP – Remove database object from the database
ALTER – Used to make change in existing structure of database objects
RENAME – Change the name of objects

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DCL – Data Control Language
GRANT – Used give authority access database object
REVOKE – Used to take back authority from user

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TCL – Transaction Control Language
COMMIT – Save data permanently into database
ROLLBACK – Undo the DML operation if not committed
SAVEPOINT – Undo the DMP operation up to some point

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PLSQL
( Programming Language – Structure Query Language )

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There are two of Block
1. Unnamed Block
DECLARE
programming instruction;
BEGIN
programming instruction;
EXCEPTION
programming instruction;
END; 2. Named Block
CREATE OR REPLACE PROCEDURE job_router IS
programming instruction;
BEGIN
programming instruction;
EXCEPTION
programming instruction;
END;

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1. Comments
A) Single Line Comments (--)
B) Multi Line Comments (/* */)
2. Decision Making Statement
A) IF THEN ENDIF
B) IF THEN ELSE ENDIF
C) NESTED IF;
D) ELSE IF LADDER
E ) CASE Statement

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3. Procedure, Function, Packages
4. Exception Handling – Predefined, User Defined
5. Triggers
6. Cursor
7. Query Optimization

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Interview Question

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Database with Other Front
Programming Language
1. Java
2. Python
3. .Net Framework

29. Thank You
Job Router and All the
participant for listening me
silently
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