Pattern matching
Explanation:
- SQL pattern matching allows you to look for patterns in data if you do not know the precise word or phrase you're seeking.
- A WHERE clause in SQL define that a SQL Data Manipulation Language (DML) statement should only affect rows that meet specified criteria. .
- In brief SQL WHERE clause is employed to extract only those results from a SQL statement, such as: SELECT, INSERT, UPDATE, or DELETE statement.
- Regular expression pattern-matching are often performed with either one character or a pattern of 1 or more characters in parentheses, called a personality pattern.
- Metacharacters have special meanings
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Answer:
In SQL, the LIKE keyword is used to search for patterns. Pattern matching employs wildcard characters to match different combinations of characters. The LIKE keyword indicates that the following character string is a matching pattern.
I hope this may help you..
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