Examine the description of the CUSTOMERS table:
SELECT 1 AS id, 'John' AS first_name, NULL AS commission
B) providing variable definition capabilities
Which two are true about virtual columns?
A) It drops any triggers defined on the table.
A) The subquery is executed for every row in the EMPLOYEES table.
The ORDERS table has a primary key constraint on the ORDER_ID column.
Which two statements are true about single row functions?
Exanine the desatption of the BOOKS_TRANSACTIONS table
You need to calculate the number of days from 1st January 2019 until today.
Examine the description of the PRODUCT_INFORMATION table:
Which three statements are true about sequences in a single instance Orade datab...
Which two statenents are tue about the COUNT function?
Which two statements are true about the results of using the INTERSECT operator ...
Which three statements are true about a self join?
SELECT cust_id, cus_ last_name "Last Name"
Examine the data in the CUST NAME column of the CUSTOMERS table:
Evalute these conmands which execate sucestully
·MANAGER is an existing role with no privileges or roles.
The ORDERS table has a column ORDER_DATE of date type DATE
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