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RELATIONAL ALGEBRA

1. UNARY OPERATIONS
a. Selection
b. Projection
c. Rename
2. SET THEORY OPERATIONS
a. Union
b. Intersection
c. Cross Product
d. Minus / Set Difference
3. BINARY OPERATIONS
a. Inner Join
i. Theta Join
ii. Natural Join
Outer Join
i. Right Outer Join
ii. Left Outer Join
iii. Full Outer Join
b. Division

UNARY OPERATIONS OF RELATIONAL ALGEBRA IN DBMS || SELECTION || PROJECTION || RENAME || DBMS
SET THEORY OPERATIONS OF RELATIONAL ALGEBRA IN DBMS ||UNION || INTERSECTION ||CROSS PRODUCT || MINUS
JOINS IN DBMS || INNER JOIN || OUTER JOIN || THETA JOIN || NATURAL JOIN || LEFT OUTER || RIGHT OUTER

Introduction to Joins and its types | Need of Joins with example | DBMS
There are mainly two types of joins in DBMS 1) Inner Join 2) Outer Join
An inner join is the widely used join operation and can be considered as a default join-type.
An outer join doesn’t require each record in the two join tables to have a matching record.
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0:00 Introduction
0:03 Set operations
3:09 Intersection
4:19 Set Difference (-)
5:34 Cartesian product