Goal simplify I'm really sorry . but i'm looking almost all day (1h) if be honest. Just lost in information and no simple answer explain pls. if can. Thanks i want to update multiple columns this is m...

I want to do a Query like this: v_name VARCHAR2(60); SELECT * FROM book WHERE name = v_name But if "v_name" is NULL, the program must be: SELECT * FROM book I don't wan't to set the filter ...

#I want to add a filter for model_no such that if. I define a bunch of models, for example(fasd, wqeqwe) it should only populate those in the table. Help me build this query# SELECT E.T2580_GIN_ID A...

This query that I made returns the number of employees hired for an specific position in a specific day SELECT job_title ,To_char(hire_date, 'Day') AS HIRE_DAY, Count(*) AS c...