Create a relational schema for your EERD in question $19/20.$ You must show functional dependency arrows and referential$/$relational dependency arrows, primary key and foreign key proper notation. Include PK$,$ FK$,$ CPK$.$

Draw the following ternary relationship: Labs are assigned techs and instruments. When a tech is assigned to a lab, he$/$she is also assigned an instrument for that rotation. Techs are rotated through the various labs. Instruments are taken offline sometimes for service. Labs are sometimes closed for cleaning. A lab is staffed by at least $1$ tech. An instrument can be assigned to different labs over its life cnan

Lastsoticiars

Convert this to an EERD with an associate entity. You must include the correct optionality and cardinality conversions.