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Specify which of the following can represent a relationship in the ERD diagram.
What are the advantages of databases?
Which SQL statement category does the following instruction belong to:
update employee
set job= 'Engineer'
where l_name = 'Ionescu';
What are the functions of the database management system?
What are the elements of the relational model
How many constraints are defined in the following SQL code:
CREATE TABLE department (
department_id integer NOT NULL generated always as identity (START with 10 increment by 10),
l_name varchar(30) not null ,
manager integer,
PRIMARY KEY (department_id), FOREIGN KEY (manager) references manager (id_manager));
Which of the following data types can be used to store a student's date of birth in the database?
Which of the following statements are part of the DDL (Data Definition Language) category?
Add a record to the penalty table showing that a late penalty has been applied for loan 4.
Create a view that contains: the title of the book, the name of the author, ISBN_ISSN and the price for all the books in the library