The Developers team also wants you to ensure that emails are converted to lowercase after an update operation. Currently, new insertions are guaranteed to have lowercase emails, but there is no such guarantee for legacy emails. Therefore, the team wants to ensure that emails are being retained in a lowercase irrespective of any changes in the database. Create a new TRIGGER called email_update for the USERS table that runs before an UPDATE operation.

Q: What happens to the data displayed by a view when the view is deleted?

A: Nothing will happen to the data displayed by a view, if the view is deleted.

Q: Exactly what are triggers? Why are they necessary? How do you acquire trigger functionality with…

A: A trigger is a set of code that is evaluated when data in a table changes.

Q: The Car Maintenance team wants to update the price of Oil Change to 75. In addition, they will no…

A: We need to write the MYSQL query to update the price of Oil Change to 75 and remove the maintenance…

Q: Create the UPDATE_INVOICE procedure to change the date of the invoice whose number is stored in…

A: It enables to save query with a name so that it can be executed whenever required rather than…

Q: Write a script that creates and calls a stored procedure named insert_category. First, code a…

A: The question requires us to write a script that creates and calls a stored procedure named…

Q: riggers? What function do they ality

A: Solution - In the given question, we have to tell what are triggers, what function do they fulfill,…

Q: Normalize the Index metadata connection and explain why you think it would be slower to use.

A: Version of the Index metadata relation that is normalised As the index attribute field comprises a…

Q: Exactly what are triggers? Why are they necessary? How do you acquire trigger functionality with…

A: A trigger is a special type of stored procedure that automatically runs when an event occurs in the…

Q: CREATE TABLE keyvalue (  id SERIAL,  key VARCHAR(128) UNIQUE,  value VARCHAR(128) UNIQUE,…

A: The required stored procedure is given below   CREATE PROCEDURE dbo.keyValue AS BEGIN   UPDATE…

Q: write a trigger that will be activated after a DELETE activity. The trigger will INSERT all deleted…

A: The solution is given in the below step with explanation

Q: 21/ Create a database with the name of the organization you want to work n. This database includes…

A: It is defined as a collection of information that is organized so that it can be easily accessed,…

Q: Create a set of lookup tables

A: In computer science, a lookup table (LUT) is an array that substitutes a simpler array indexing…

Q: Exactly what are triggers? Why are they necessary? How do you acquire trigger functionality with…

A: Triggers A trigger is a SQL process that executes a specified action when a certain command, like an…

Q: Computer Engineering lab Write in APEX - Anonymous windowPlease design an Aggregate query over the…

A: Answer to the above question is in step2.

Q: Create a trigger called Trig_Enroll_BI on the ENROLLMENT table that fires before an INSERT…

A: Solution:Create the trigger with name of “Trig_Enroll_BI” for ENROLLMENT table.The followings…

Q: Exactly what are triggers? Why are they necessary? How do you acquire trigger functionality with…

A: What are triggers? Triggers are SQL procedures that execute automatically when specified commands…

Q: The Car Maintenance team wants to update the price of Oil Change to 75. In addition, they will no…

A: In most cab companies, drivers have predefined schedules. We’ll know the exact times when the driver…

Q: 1. Create a package named EMP_PS which has a function named findEmpByID which takes employee number…

A: Given: Create a package named EMP_PS which has a function named findEmpByID which takes employee…

Q: Exactly what are triggers? Why are they necessary? How do you acquire trigger functionality with…

A: What do triggers mean? Answer: Triggers are SQL procedures that execute automatically when certain…

Q: Because most events don't have an end time, the company only invoices the events afterward. To…

A: The given is a detailed description of EventHelper that is an organization that provides the medical…

Q: The InstantRide received some traffic violation tickets from the government. The Legal team of…

A: LEFT JOIN is a type of join which returns all the contents(rows) from the left table and the…