Not following procedures. Discussed with the person first. Then emailed daily requirements to individual so could have evidence if went further. It did so there was a verbal warning, then note to file and ended up on a performance improvement plan.
What is an artificial (derived) primary key? When should it be used?
What is third normal form?
Why are recursive relationships are bad? How do you resolve them?
Explain what is OLTP data modelling?
Explain me what is a check constraint?
What is ERD?
Explain me what is a sequence?
Do you know what is a composite foreign key constraint?
Tell me what is a column (attribute)?
Explain what are the important types of Relationships in a data model?
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