Discard Table Transcript For Free

To remove one or more rows in a table: First, you specify the table name where you want to remove data in the DELETE FROM clause. Second, you put a condition in the WHERE clause to specify which rows to remove. If you omit the WHERE clause, the statement will remove all rows in the table.

If you are not licensed for Oracle partitioning, and you load your rows in-order, you could roll-your-own partitioning, using different tables names for each partition. Parallelize deletes - Oracle parallel DML includes delete statements and you can parallelize large deletes for faster performance.

TRUNCATE TABLE removes the data by deallocating the data pages used to store the table's data, and only the page deallocations are recorded in the transaction log. TRUNCATE TABLE removes all rows from a table, but the table structure and its columns, constraints, indexes and so on remain.

Inserting rows in a table is faster than deleting them. Loading data into a new table using create-table-as-select (CTAS) is faster still....Remove Rows with Create-Table-as-Select Create a new table saving the rows you want to keep. Truncate the original table. Load the saved rows back in with insert as select.

Click Layout > Delete Table.

You can navigate the cells in a table by pressing the TAB or arrow keys on your keyboard. Press the DELETE key on the keyboard.

By far, the fastest way to delete a bunch of records is to use the TRUNCATE TABLE statement. This is much faster than the DELETE statement because it does not log any of the row-level delete operations. However, you can only use TRUNCATE TABLE : To delete ALL the records in the table.