SQL Wildcards and Operators - DBMS Tutorial
Wildcards are special characters used in SQL queries to represent unknown or variable values in search conditions. They allow you to perform more flexible and comprehensive searches within your database tables. SQL supports several types of wildcards, including:
1. % (Percent Sign): The percent sign represents zero or more characters. It is often used in the LIKE operator to search for patterns within text data.
2. _ (Underscore): The underscore represents a single character. It is also used with the LIKE operator to search for patterns, but it matches only one character at a time.
SQL Operators
1. IN Operator
2. NOT Operator
3. OR Operator
Examples are included in the tutorial.
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