SQL LIKE is very important to php, so this article will explain it
LIKE Operator
The LIKE operator is used to search a specified pattern in a column in the WHERE clause.
SQL LIKE operator syntax
SELECT column_name(s) FROM table_name WHERE column_name LIKE pattern
LIKE operator example
Example 1
Now, we want to select residence from the "Persons" table above People in cities starting with "N":
We can use the following SELECT statement:
SELECT * FROM Persons WHERE City LIKE 'N%'
Tip: "%" can be used to define the wildcard character (pattern missing letters).
Example 2
Next, we want to select people from the "Persons" table who live in cities ending with "g":
We can use the following SELECT statement:
SELECT * FROM Persons WHERE City LIKE '%g'
Result set:
Example 3
Next, we want to select people living in cities containing "lon" from the "Persons" table :
We can use the following SELECT statement:
SELECT * FROM Persons WHERE City LIKE '%lon%'
Example 4
By using the NOT keyword, we can select from the "Persons" table living in a country that does not contain " lon" people in the city:
We can use the following SELECT statement:
SELECT * FROM Persons WHERE City NOT LIKE '%lon%'
This article provides a relevant explanation of SQL LIKE. For more learning materials, please pay attention to php Chinese You can watch it online.
Related recommendations:
Explanation on the SQL TOP clause
About the analysis of the SQL SELECT DISTINCT statement
Related knowledge about SQL SELECT statement
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