Entities:
Employee Organiation Manager Timeoff_type
Entities and data_types employee_table: id(INT), employee_id(VARCHAR), first_name(VARCHAR), last_name(VARCHAR), gender(VARCHAR), DOB(DATE), LGA(VARCHAR), state_of_origin(VARCHAR), phone_nos(VARCHAR).
organization_table: id(INT), reg_no(VARCHAR), name(VARCHAR), location(VARCHAR).
manager_table: id(INT), first_name(VARCHAR), last_name(VARCHAR), department_heading(VARCHAR), gender(VARCHAR), LGA(VARCHAR), State_of_origin(VARCHAR), phone_nos(VARCHAR).
timeoff_table: id(INT), timeoff_type(VARCHAR), start_date(DATE), end_date(DATE), duration(VARCHAR), approval status(enum: approved, rejected), fill_absence_form(boolean).
Relationships: 1:1 manager timeoff 1:M organization:employee employee:timeoff manager:employee organization:manager
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