DELETE
Valid in: SQL, ESQL, DBProc, OpenAPI, ODBC, JDBC, .NET
The DELETE statement deletes rows from the specified table that satisfy the search_condition in the WHERE clause. If the WHERE clause is omitted, the statement deletes all rows in the table. The result is a valid but empty table.
This statement has the following formats:
Interactive version:
DELETE FROM [schema.]table_name [corr_name]
[WHERE search_condition];
Embedded non-cursor version:
[REPEATED] DELETE FROM [schema.]table_name [corr_name]
[WHERE search_condition];
table_name
Specifies the name of the table from which rows are to be deleted.
corr_name
Specifies a correlation name for the table for use in the search_condition.
DELETE Examples
1. Delete from the sales_fact table where the year is last year:
CREATE TABLE sales_fact (
sales_date ANSIDATE,
value INTEGER2,
quantity FLOAT8);
INSERT INTO sales_fact VALUES ('2013-02-28', 120, 23.8),('2014-04-30', 1, 3.8),('2012-08-14', 30, 44.0),('2013-11-01', 1, 19.4),('2012-10-12', 3, 14.4);
DELETE FROM sales_fact WHERE year(sales_date) = year(CURRENT_DATE);
One row will be deleted.
2. Delete all rows from sales_fact:
DELETE FROM sales_fact;
Last modified date: 12/12/2024