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SQLiteDELETE query to delete the existing records for the table.You can use the DELETE query with a WHERE clause to delete the selected row, otherwise, all records will be deleted.
The basic syntax DELETE query with a WHERE clause as follows:
DELETE FROM table_name WHERE [condition];
You can use the AND or OR operator to combine the N number of conditions.
Suppose COMPANY table has the following records:
ID NAME AGE ADDRESS SALARY ---------- ---------- ---------- ---------- ---------- 1 Paul 32 California 20000.0 2 Allen 25 Texas 15000.0 3 Teddy 23 Norway 20000.0 4 Mark 25 Rich-Mond 65000.0 5 David 27 Texas 85000.0 6 Kim 22 South-Hall 45000.0 7 James 24 Houston 10000.0
Here is an example, it will delete the ID for the customer 7:
sqlite> DELETE FROM COMPANY WHERE ID = 7;
Now, COMPANY table has the following records:
ID NAME AGE ADDRESS SALARY ---------- ---------- ---------- ---------- ---------- 1 Paul 32 California 20000.0 2 Allen 25 Texas 15000.0 3 Teddy 23 Norway 20000.0 4 Mark 25 Rich-Mond 65000.0 5 David 27 Texas 85000.0 6 Kim 22 South-Hall 45000.0
If you want to delete all records from the COMPANY table, you do not need to use a WHERE clause, DELETE queries as follows:
sqlite> DELETE FROM COMPANY;
Now, COMPANY table without any record, because all records have been deleted by the DELETE statement.