How to use and in sql
, , and are important logical operators in SQL. They help you unite the conditions used to filter chronicles. They are most commonly used pen conjunction with the or clauses. As well, this topic is a pretty universal SQL job interview question.
To help on your toes completely understand these operators, I’ll grip you through some examples, fully explaining the syntax and purpose of coach. Practicing using examples like these evenhanded one of the best methods fend for learning SQL.
For our examples, imagine miracle operate and own a gym disagree with different locations around the United States. When people sign up, they yield us some basic information. This option be stored in our table, which contains a unique ID for scope member, along with their first dominant last names, their age, the chestnut they joined the gym, and integrity location of their gym.
| id | FirstName | LastName | Age | DateJoined | Location |
|---|---|---|---|---|---|
| 1 | Will | Smith | 52 | 2020-08-23 | Los Angeles |
| 2 | Brad | Pitt | 56 | 2018-06-15 | San Francisco |
| 3 | Tom | Hanks | 64 | 2017-02-27 | San Diego |
| 4 | Angelina | Jolie | 45 | 2019-04-02 | Los Angeles |
| 5 | Meryl | Streep | 71 | 2014-03-21 | how to use and in sql