SQL Commands

SQL WHERE Clause

The WHERE clause is used to specify a selection criterion.

The WHERE Clause

To conditionally select data from a table, a WHERE clause can be added to the SELECT statement.

Syntax

With the WHERE clause, the following operators can be used:

Using the WHERE Clause

To select only the persons living in the city "Banglore", we add a WHERE clause to the SELECT statement:

Table name “Associate”

Result

Using Quotes

Note that we have used single quotes around the conditional values in the examples.

SQL uses single quotes around text values (most database systems will also accept double quotes). Numeric values should not be enclosed in quotes.

The LIKE Condition

The LIKE condition is used to specify a search for a pattern in a column.

Syntax

A "%" sign can be used to define wildcards (missing letters in the pattern) both before and after the pattern.

Using LIKE

result:

Result:-