ER Diagram Practical Example Instructor: Naveedullah Safi

Entity Weak Entity Attribute Instructor: Naveedullah Safi

Key Attribute Composite Attribute Instructor: Naveedullah Safi

Multi valued Attribute Derived Attribute Multi valued Attribute Instructor: Naveedullah Safi

Entity Table: Employee Instructor: Naveedullah Safi

Table: Employee Attributes Employee number Name Instructor: Naveedullah Safi

Table: Employee Key Attribute Employee number Name Birth Date Age Salary Key Attribute Instructor: Naveedullah Safi

Table: Employee Composite Attribute Employee number Name Address Age Salary Composite Attribute Instructor: Naveedullah Safi

Table: Employee Multi Valued Attribute Employee number Name Address Age Salary Multi Valued Attribute Instructor: Naveedullah Safi

Table: Employee Single Valued Attribute Employee number Name Address Age Salary Single Valued Attribute Instructor: Naveedullah Safi

Table: Employee Null Valued Attribute Employee number Name Address Fax No / Tele. No Salary Null Valued Attribute Instructor: Naveedullah Safi

Table: Employee Derived Attribute Employee number Name Birth Date Age Salary Derived Attribute Instructor: Naveedullah Safi

Table: Employee Stored Attribute Employee number Name Birth Date Age Salary Stored Attribute Instructor: Naveedullah Safi

Employee Entity Instructor: Naveedullah Safi

Employee Attributes Name Emp_no Salary Age Birth Date Instructor: Naveedullah Safi

Employee Key Attribute Name Emp_no Salary Birth Date Instructor: Naveedullah Safi

Employee Key Attribute Name Emp_no Salary Birth Date Instructor: Naveedullah Safi

Employee Multi valued Attribute Name Emp_no Salary Name Instructor: Naveedullah Safi

Employee Multi valued Attribute Name Emp_no Salary Name Instructor: Naveedullah Safi

Employee Address Composite Attribute Instructor: Naveedullah Safi

Composite Attribute Employee Name Street Address Area City Instructor: Naveedullah Safi

Employee Derived Attributes Name Emp_no Salary Age Birth Date Instructor: Naveedullah Safi

Employee Derived Attributes Name Emp_no Salary Age Birth Date Instructor: Naveedullah Safi Attributes

Relationship Works Link Instructor: Naveedullah Safi

1 to 1 Relationship 1 1 Manager Department Mno Name Mno Dname Works 1 1 Department Birth Date Salary 1 to 1 Relationship Instructor: Naveedullah Safi

Many to 1 Relationship M 1 Employee Department Empno Name Empno Dname Works M 1 Department Birth Date Salary Instructor: Naveedullah Safi Many to 1 Relationship

Many to Many Relationship Empno Name PId Ptype Project Employee Works M N Start date End date Salary Instructor: Naveedullah Safi Many to Many Relationship

ER Diagram Of Banking System Bno Addr ER Diagram Of Banking System Bank branch Branc hes M Bank 1 Nam e 1 1 Code Addr Accts Loans M Loan Type Balanc e M Amount Loan no Acct no Acc Loan Account Type

Continue… n n M M Loan Account Customer A_c L_c Name SSn Addres Phone

Instructor: Naveedullah Safi

Instructor: Naveedullah Safi

Thank You… Instructor: Naveedullah Safi