[Solved] If a trigger contains a slow query that scans the entire table on each update, what will happen? — Ans: Update operations will become slower as table size grows | SQL

SQL - Triggers

If a trigger contains a slow query that scans the entire table on each update, what will happen?

AUpdate operations will become slower as table size grows

BUpdate operations will remain fast regardless of table size

CThe trigger will skip the slow query automatically

DThe database will optimize the slow query inside the trigger

Step-by-Step Solution

Solution:

Step 1: Understand trigger query impact
A slow query scanning the whole table runs every update.
Step 2: Analyze effect of table size
As the table grows, the slow query takes longer, slowing updates.
Final Answer:
Update operations will become slower as table size grows -> Option A
Quick Check:
Slow query + large table = Slower updates [OK]

Quick Trick: Avoid full table scans inside triggers [OK]

Common Mistakes:

Master "Triggers" in SQL

9 interactive learning modes - each teaches the same concept differently

More SQL Quizzes

If a trigger contains a slow query that scans the entire table on each update, what will happen?