Oracle UPDATE StatementIn Oracle, UPDATE statement is used to update the existing records in a table. You can update a table in 2 ways. Traditional Update table methodSyntax: Update Table by selecting rocords from another tableSyntax: Parameters:1) column1, column2, ... column_n: It specifies the columns that you want to update. 2) expression1, expression2, ...expression_n: This specifies the values to assign to the column1, column2, ?. column_n. 3) conditions:It specifies the conditions that must be fulfilled for execution of UPDATE stateme. Oracle Update Example: (Update single column)This example will update the supplier_name as "Kingfisher" where "supplier_id" is 2. Oracle Update Example: (Update multiple columns)The following example specifies how to update multiple columns in a table. In this example, two columns supplier_name and supplier_address is updated by a single statement. Output: 1 row(s) updated. 0.06 seconds Oracle Update Example: (By selecting records from another table)Output: 2 row(s) updated. 0.02 seconds Here, the customers table is updated by fetching the data from "suppliers" table. Next TopicOracle DELETE Statement |