UBA promotes music from unsigned artists.The UBA keeps an eye on the art world. Galleries display works of art. Only one museum or gallery may show each piece. In certain cases, a same artist may create many paintings. Painter, Painting, and Gallery are all relational databases. Make what kinds of records and parts. How do the tables relate to one another?

A select procedure in a relational database can shrink a table's size by deleting columns that don't fit a certain set of requirements.Is it good or bad?

A select operation in a relational database decreases the size of a table by removing columns that fulfill certain criteria.Is this statement truthful or false?

A select operation in a relational database decreases the size of a table by removing columns that fulfill given criteria.Is this statement truthful or false?

In a relational database, you may narrow down the number of columns in a table that match your criteria by using the select operation.Is it the right or wrong answer?

Removing columns that meet specified criteria is the goal of a select operation in relational databases.Is this a right or a wrong answer?

With the help of a select operation in a relational database, one may reduce the amount of space used by a table by removing columns that meet certain requirements.Is this the right or erroneous interpretation?

A select operation in a relational database reduces the size of a table by removing columns that meet particular criteria.Is this true or false?

Implement a new independent entity phone in the Sakila database. Attributes and relationships are shown in the diagram below   The diagram uses Sakila naming conventions. Follow the Sakila conventions for your table and column names: All lower case Underscore separator between root and suffix Foreign keys have the same name as referenced primary key Write CREATE TABLE and ALTER TABLE statements that: Implement the entity as a new phone table. Implement the has relationships as foreign keys in the Sakila customer, staff, and store tables. Remove the existing phone column from the Sakila address table. Step 2 requires adding a foreign key constraint to an existing table. Ex: ALTER TABLE customer ADD FOREIGN KEY (phone_id) REFERENCES phone(phone_id) ON DELETE SET NULL ON UPDATE CASCADE; Specify data types as follows: phone_id, phone_number, and country_code have data type INT. phone_type has date type VARCHAR(12) and contains strings like 'Home', 'Mobile', and 'Other'. Apply these…

The Sports Physical Therapy database does not include a field for the hours that the therapist is working. For example, doing any sort of treatment requires to set up and break down of equipment, reading patients' charts, etc. In which table would you put the hours worked? What might be a better way to record when therapists begin their work and end their work? 1. Table: Patient -field (PatientNum, LastName, FirstName, Address, City, State, ZipCode, Balance) 2. Table: Session -field (SessionNum, SessionDate, PatientNum, LengthOfSession, TherapistID, TherapyCode) 3. Table: Therapist - field (TherapistID, LastName, FirstName, Street, City, State, ZipCode) 4. Table: Therapies -field (TherapyCode, Description, UnitOfTime)