This document discusses traditional file systems and their limitations. It provides an overview of SQL, including its evolution, definition, advantages, and uses in real-time applications such as education, healthcare, retail, and finance. SQL was developed in 1970 at IBM to allow more effective data sharing and management than traditional file systems. It became an ANSI standard in 1986.

2. TRADITIONAL FILE SYSTEM
EVOLUTION OF SQL
WHAT IS SQL?
ADVANTAGES OF SQL
SQL IN REAL TIME
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Information is stored in
different computer files

5. PROBLEMS
IN
FILE SYSTEM
LIMITED DATA
SHARING AND LACK OF
SECURITY
DIFFICULTY OF
GETTING QUICK
ANSWERS
DATA
DEPENDENCY
DATA
REDUNDANCY
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7. Developed at IBM
in 1970
Donald D Chamberlin
and
Raymond F Boyce
SEQUEL -> SQL
In 1986 Became
ANSI standard
01
02
03
04
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9. UERY
ANGUAGE
Q
L
STRUCTRED
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10. DATA MANIPULATION LANGUAGE
Deals with data manipulation and includes most
common SQL statements
DATA DEFINITION LANGUAGE
Deals with database schemas and descriptions,
of how the data should reside in the database
TRANSACTION CONTROL LANGUAGE
It deals with a transaction within a database
DATA CONTROL LANGUAGE
It Iincludes commands such as GRANT and
mostly concerned with rights, permissions and
other controls of the database system
DDL
DML DCL
TCL
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11. EXPLANATION
Hey Dave, how is
your day going?
It's going great, what
about you john?
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12. EXPLANATION
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14. ADVANTAGES OF SQL
04
SQL queries are
portable
05
It is an Interactive
Language
01
SQL has Well-Defined
Standards
02
SQL is easy to learn
03
In SQL we can create
multiple views
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16. SQL
IN
REAL-TIME
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EDUCATION

17. SQL
IN
REAL-TIME
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HEALTH-CARE

18. SQL
IN
REAL-TIME
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RETAIL

19. SQL
IN
REAL-TIME
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FINANCIAL

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