In SQL, to use multiple LIKE conditions to match partially matched string values, you can use the following method: Use the OR operator to connect multiple LIKE conditions to match rows that meet any condition. Use the IN operator to specify a list of values, matching a condition where the column value matches an exact value in the list. Use subqueries to create subsets, and then match multiple strings through the main query.
Using multiple LIKE conditions in SQL
In SQL queries, you can match parts by using LIKE conditions The matching string value. When you need to match multiple strings, you can use the following method:
Use the OR operator:
Use the OR operator to connect multiple LIKE conditions. For example:
SELECT * FROM table_name WHERE column_name LIKE '%string1%' OR column_name LIKE '%string2%' OR ...;
This method allows matching rows that meet any of these conditions.
Use the IN operator:
The IN operator can specify a list of values and check whether the column value matches any value in the list, for example:
SELECT * FROM table_name WHERE column_name IN ('%string1%', '%string2%', ...);
This method is similar to the OR operator, but it only checks whether the column value matches the exact value in the list.
Using subqueries:
Subqueries can be used to create subsets where column values meet specific conditions. The main query can use this subquery to match multiple strings:
SELECT * FROM table_name WHERE column_name IN (SELECT value FROM subquery_table WHERE condition);
where subquery_table
is a table containing string values, condition
is determined to match value conditions.
Example:
For example, to find customers whose names contain "John" or "Mary" from the customers table, you can use the following query:
SELECT * FROM customers WHERE name LIKE '%John%' OR name LIKE '%Mary%';
Note:
- LIKE conditions are not case-sensitive.
- Use the percent sign (%) as a wildcard character to match zero or more characters.
- Use the underscore (_) as a wildcard character to match a single character.
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