To use a wildcard expression in an SQL query, use the LIKE operator in a WHERE clause, and enclose the pattern within single quotation marks. To compare a column to several values use the SQL IN Operator. Use the LIKE operator and a SQL pattern, described in this section. If you have several OR conditions, then it makes sense to use SQL IN. This operator searches strings or substrings for specific characters and returns any records that match that pattern. WHERE: Tests whether an expression matches the pattern. The default escape character is the backslash but a different one may be selected by using the ESCAPE clause. Similar to a comparison operator, a logical operator returns a value of true, false, or unknown.. The following SQL statement pulls out all of the employees that have a phone number formatted like three-three-four digits with dashes in between (999-999-9999).The pattern is then compared with phonenumber column to derive the domestic or international categories.. Below is the syntax of the LIKE operator in a SELECT statement: SELECT [ column_list | * ] FROM table_name WHERE column or expression LIKE pattern; SQL IN Operator. MySQL provides two kinds of pattern matching. An example where clause using the LIKE condition to … The SQL IN operator is a great way to condense and simplify your SQL. Using SQL LIKE with the CASE statement. IN Operator Summary. To match a literal underscore or percent sign without matching other characters, the respective character in pattern must be preceded by the escape character. Let’s take some examples of using the Oracle LIKE operator to see how it works. Use NOT LIKE to test if a string does not match a pattern. A Regular Expression is popularly known as RegEx, is a generalized expression that is used to match patterns with various sequences of characters. The LIKE operator uses a combination of a matching expression and a pattern and supports the following valid wildcard characters’ pattern. Otherwise, it returns false. Summary: in this tutorial, we will show you how to use SQL LIKE operator to query data based on patterns.. Introduction to SQL LIKE operator. Using the % Wildcard to Perform a Simple Search To search for any employee in your database with a last name beginning with the letter C, use the following Transact-SQL statement: These are known as metacharacters because they stand for something other than themselves. We’ll clarify the essence of the LIKE operator and illustrate some use cases concerning searching for the data from a table based on a specific pattern. Discussion. To match the escape character itself, write two escape characters. Summary: in this tutorial, you will learn about the SQL logical operators and how to use them to test for the truth of a condition.. A logical operator allows you to test for the truth of a condition. In that case, you can use LIKE in SQL. SQL Regex; Syntax for using Regex in SQL; SQL Regex Implementations; What is RegEx? Oracle LIKE examples. The LIKE operator returns true if the expression matches the pattern. The following table illustrates the SQL logical operators: Ternary Operator in SQL also be termed as Conditional Operator can be defined as a unique decision-making operator found in many programming languages. Unlike the equals (=) comparison operator, which requires an exact match, with LIKE we can specify a pattern to partially match fields. Or use a regular expression pattern match, described in Recipe 4.8. LIKE operators. Name of the column which will participate in the action with LIKE operator. Patterns are strings that contain special characters. Both expression and pattern may be any valid expression and are evaluated to strings. A ternary operator with conditional expression performs real-life scenario like for different conditions different actions are performed. (Hence the SQL pattern matching.) 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