Introduction to LIKE in MySQL In this article, we will learn how to use MySQL’s LIKE operator to fetch records based on specified patterns in the string. This LIKE operator is always used with WHERE clause in SELECT, UPDATE, and DELETE commands/statements. Mainly throughout the course, we ...
To select everything from a table, use * (asterisk operator) Select * from employee; After writing the query, click on the execute button to check for errors Once the query is executed, the table appears Select Distinct in SQL A column often contains many duplicate values, and sometimes the...
Syntax of the SQL IN Operator Important Points to Remember Common Use Cases of the IN Operator Limitations and Alternatives Conclusion Frequently Asked Questions The SQL IN operator is a useful tool for filtering data based on a set of values. When included in long queries, the IN operator help...
I will try to give the regular expressions, which are used for pattern matching purpose. Regular expressions are patterns used to match character combinations in strings. In this article I would like to give you multiple Regexp_like Examples in real industry.REGEXP_LIKE function...
How to Use the SQL EXISTS() Operator Learn how to use the SQL EXISTS() operator for subquery evaluation and filtering, complete with examples, best practices, and tips for optimizing your queries. Allan Ouko 10 min Tutorial Aggregate Functions in SQL Learn how to use aggregate functions for ...
SQL provides a list of operators that can be used in the queries. These are reserved words or symbols that are used in most of the computer languages. Here, operators are mainly associated with the WHERE clause executing any comparisons or mathematical operations. Some...
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Range predicates use theBETWEENoperator to test whether one value expression falls between two othersMembership: This type of predicate uses theINoperator to test whether a value is a member of a given setPattern Match: Pattern matching predicates use theLIKEoperator to test whether a value matches...
In some implementations of SQL, the plus sign does double duty as a character operator. You’ll see that side of the plus sign a little later in this lesson. Minus (−)Minus also has two uses. First, it can change the sign of a number. You can use the table HILOW to demonstrate...
Now we will make a little syntax change in the previous query 1 SELECT FirstName FROM Dummy_PersonTable where FirstName LIKE 'K%' SQL Server query optimizer decides to use an index seek operator when the operator cost is low and it can easily find matching records using the B...