Develop an E/R model of the database for the given case problem. The calendar program enables the user to check or browse each other's calendars and to book common appointments shall be developed. The program will have a database which monitors the users and their calendars. The calendar will be utilized to store data concerning appointments. An appointment starts and ends at a given time on a given day and is described by a text. One may specify that he/she will be reminded of an appointment. The reminders are of different types; a signal in the computer's speaker, a pop-up window with description of the meeting, or an e-mail containing description. Each reminder may be specified on how long before the appointment that one would like to be reminded. Entity Relationship Modeling The city needs a database which will include information concerning the residents of the city.

The database will be utilized for the planning of schools, health care and child care. From the database, you should be able to receive answers to queries of the following types: 1. How many male and female will start schooling this year x? 2. How many individuals will become old-age pensioners during year x? 3. How many households have more than x people? 4. How many individuals are single parents? 5. In how many households is at least one member unemployed?| 6. How many households have a total income that is less than the norm for receiving social benefits? Develop an E/R model of the database, including attributes and primary keys. Be able to consider the representation of "household" and "parent". Male students in 2019? Single parent? Female students in 2019? City 11 Offers Parents with Children Database about Grandparents Economically- struggling? Info Households Pensioners' age in 2019? More than 3? Citizens Focuses onNeed to do this pls help

Here's an example