SQL LIKE - W3Schools

Trang chủ » Câu Lệnh Not Like Trong Sql » SQL LIKE - W3Schools

Có thể bạn quan tâm

SQL LIKE Keyword ❮ Previous ❮ SQL Keywords Reference Next ❯

LIKE

The LIKE command is used in a WHERE clause to search for a specified pattern in a column.

You can use two wildcards with LIKE:

  • % - Represents zero, one, or multiple characters
  • _ - Represents a single character (MS Access uses a question mark (?) instead)

The following SQL selects all customers with a CustomerName starting with "a":

Example

SELECT * FROM Customers WHERE CustomerName LIKE 'a%'; Try it Yourself »

The following SQL selects all customers with a CustomerName ending with "a":

Example

SELECT * FROM Customers WHERE CustomerName LIKE '%a'; Try it Yourself »

The following SQL selects all customers with a CustomerName that have "or" in any position:

Example

SELECT * FROM Customers WHERE CustomerName LIKE '%or%'; Try it Yourself »

The following SQL statement selects all customers with a CustomerName that starts with "a" and are at least 3 characters in length:

Example

SELECT * FROM Customers WHERE CustomerName LIKE 'a__%'; Try it Yourself » ❮ Previous ❮ SQL Keywords Reference Next ❯ ★ +1 Sign in to track progress

Từ khóa » Câu Lệnh Not Like Trong Sql