Logical Operators in MySQL -for data analyst 🌟
ฝัง
- เผยแพร่เมื่อ 17 ก.ย. 2024
- In this episode, we’ll be exploring the Logical Operators in MySQL: AND, OR, and NOT. These operators are crucial for refining your queries by allowing you to filter data based on multiple conditions.
🔹 In This Episode, You’ll Learn:
AND Operator:
Understand how to use the AND operator to filter results that meet all specified conditions.
Example: Retrieve records where a customer's purchase amount is greater than 100 AND the purchase date is in the last 30 days.
OR Operator:
Learn to use the OR operator to filter results that meet at least one of several conditions.
Example: Find records where a product is either out of stock OR has a low inventory level.
NOT Operator:
Discover how to use the NOT operator to exclude records that meet a certain condition.
Example: Select all records where a customer is NOT from a specific region.
Combining AND, OR, and NOT:
Explore how to combine these operators to create complex queries that accurately filter your data.
Example: Retrieve records where a customer has made a purchase greater than 100 AND (is from a specific region OR NOT a first-time buyer).
By the end of this episode, you’ll be able to create advanced MySQL queries using logical operators to precisely filter your data based on multiple criteria.
🔗 Missed the last episode? Catch up here: Watch Episode 10
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