how to map ERR model to relational model

Multivalued dependencies are avoided in relation schema when the relation schema conforms to –(a) 1NF(b) BCNF(c) 3NF(d) 4NF

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I am learning ER diagrams learning one, many, one and only, zero or one, one or many, and zero or many for the cardinality rules to create databases with.  Question: How can I make plans for a ProResume database and turn them into an ER diagram? Also, what ER diagram tools might you know of that are possibly free and nice to use with MySQL? This is the plan I have thus far; ENTITIES Employers: These will be the companies or organizations that are hiring.               Attributes: Employer ID, Company Name, Location, Contact Information Customers: These will be the Job Applicants or Candidates.               Attributes: Customer ID, Name, Contact Information, Education, Experience References: These will be the references from customers.               Attributes: Reference ID, Name, Contact Information, Relationship to Customer Skills: Will be software and hardware skill of the customer.               Attributes: Skill ID, Skill Name, Proficiency Level Employment Positions: These will be…

convert ER diagram to relation model

Problem: Transform the table into 1NF, 2NF, and 3NF. Create a database diagram afterward. student_number firstname Database 035-20130-0205 | Mairo subject Advanced Systems Management Information 035-20130-0205 Systems Systems Analysis and 035-20130-0205 Design term lastname year 2016-2017 program | BSIT 2nd Eli 2016-2017 2nd BSIT Mairo Eli 2016-2017 2nd BSIT Mairo Eli 器

Develop an Entity Relationships Diagram (ERD) based on the relational schemas in the 3NF for the starting relational schema in un-normalized form presented below.   UNF:Order(OrderID, OrderDate, CustID, CustName, CustPhone, CCNum, CCExpDate, CCBank, BnkContName, BnkContPhone, CustEmail, OrderIP, SiteRefFrom, ShipStreet, ShipCity, ShipSt, ShipZip, OrderLineNum, ItemID, ItemName, ItemDesc, ItemQtyOrdered,ItemListPrice, ItemSalePrice, ItemQtyShip, ShipCharge, Tax, TotalDue)

Map the EER diagram to a relational schema and transform the relation into 3NF

What is the role of a junction table in resolving many-to-many relationships?

How does a transaction number look in a dimensional model?