⟩ What is lexical reference?
How can it be created? - Lexical reference is place_holder for text that can be embedded in a SQL statements. A lexical reference can be created using & before the column or parameter name.
How can it be created? - Lexical reference is place_holder for text that can be embedded in a SQL statements. A lexical reference can be created using & before the column or parameter name.
Do you know what is a subquery?
Tell me how often should you retrain a data model?
Explain data Modelling?
Tell me what are the differences between primary and foreign keys?
Tell me what is the criteria to say whether a developed data model is good or not?
Explain me what is self JOIN?
Tell us what is involved in typical data analysis?
Tell me what is the difference between LEFT JOIN and RIGHT JOIN?
What is Logic Regression?
Tell us what are the important steps in data validation process?