MariaDB – Update Query The UPDATE command modifies existing fields by changing values. It uses the SET clause to specify columns for modification, and to specify the new values assigned. These values can be either an expression or the default value of the field. Setting a default value requires using the DEFAULT keyword. The command […]
Category Archives: mariadb
MariaDB – Select Query In this chapter, we will learn how to select data from a table. SELECT statements retrieve selected rows. They can include UNION statements, an ordering clause, a LIMIT clause, a WHERE clause, a GROUP BY…HAVING clause, and subqueries. Review the following general syntax − SELECT field, field2,… FROM table_name, table_name2,… WHERE… […]
MariaDB – Like Clause The WHERE clause provides a way to retrieve data when an operation uses an exact match. In situations requiring multiple results with shared characteristics, the LIKE clause accommodates broad pattern matching. A LIKE clause tests for a pattern match, returning a true or false. The patterns used for comparison accept the […]