We will see how to use the SQLite UPDATE statement to update table rows with an example for that first create a table called products and insert some data by using the following queries. The WHERE clause can be used in order to specify exactly which rows should be. The SQLite UPDATE statement requires a table name followed by a list of column names or value pairs that should be assigned and the rows updation determined by a conditional expression that is tested against each row of the table. The UPDATE statement can be used to update data in a table. The RETURNING clause only returns rows that are directly modified by the DELETE, INSERT, or UPDATE statement. For DELETE statements, references to columns mean the value before the delete occurs. It can be an expression or a simple value.Įxpression - conditions or expressions that must be met for the records to update. For INSERT and UPDATE statements, references to columns in the table being modified refer to the value of that column after the change has been applied. New_value - The new values to assign to column. Table_name - Indicates the name of a table in which you want to perform the update operation.Ĭolumn_name - The columns that you wish to update. 1 You can use exists with update statement : update table set Replacedby (select max (t1.id) from table t1 where t1.name table.name and t1.State table.State ) where exists (select 1 from table t1 where t1.name table.name and t1.State table.State and t1.id <> table.Here in SQLite update statement, we defined few properties those are If you observe the above SQLite update statement, we are updating columns in a table by using the SET property. UPDATE table_name SET column_name=new_value WHERE expression
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