Answer:
CREATE VIEW [product_summary] AS
SELECT product_id , order_count , order_total FROM Product;
SELECT * FROM [product_summary] ;
Explanation:
- First of all, use the CREATE VIEW syntax to create a view named product_summary that includes the product_id, order_count, order_total columns and returns the summary information about each product.
- Use SELECT statement to return all the columns from the product_summary view.
Answer:
Formatting text is how something is specifically layed out. Specific style.
Explanation:
Answer: True
Explanation: But it depends on two factors that's the problem and the experience of the computer user support
Answer:
1. Classes and objects
2. Inheritance
3. Polymorphism
4. Data hiding/ encapsulation
5. Interfaces.
Explanation:
Classes and objects depict the major component of the OOP (object oriented programming). It explains the object like a ball in a soccer game development.
The inheritance is like the subclass of the object. Data hiding is a stage in oop where the codes or data are hidden from another users.
In the polymorphism stage, the object is given the ability to change to a sub-object, while in the interface stage a function or method signature is defined without implementing it.
Answer:
c. Attribute constraints
Explanation:
A data catalog identifies all of the following, except: "Attribute constraints"
The above statement is TRUE because a Data Catalog, a metadata management service, operates by searching for key data, understand and manage data for usefulness.
Data Catalog checks on the BigQuery datasets, tables, and views and checks both technical and business metadata by identifying the following attributes:
1. Data type
2. Range of values
3. Value for Instructor ID
