The delete operator is used to delete non-array objects. It calls operator delete[] and operator delete function respectively to delete the memory that the array or non-array object occupied after (eventually) calling the destructors for the array's elements or the non-array object.
DELETE FROM table_name / DELETE FROM table_name WHERE 1=1 (is the same) Is a DML (Data Manipulation Language), you can delete all data. DML statements example: SELECT, UPDATE, etc. It is important to know this because if an application is running on a server, when we run a DML there will be no problem.
Delete messages in Gmail To clean up your inbox, delete messages one at a time or by specific categories. Deleted messages move from your inbox to your trash. Learn what happens when you delete a message Important: When you delete a draft, you can't recover it from Trash. When you delete a message in Gmail, it's moved to Trash.
Just be sure to put the table name (or an alias) between DELETE and FROM to specify which table you are deleting from. This is simpler than using a nested SELECT statement like in the other answers.
Read How to Delete Gmail Messages in Bulk and Find all Emails with Large Attachments. Or maybe How to Automatically Delete Old Messages From Gmail if this is what you want. Another page Delete old email automatically using Google Apps Script How to Find Old Emails in Gmail is also a helpful page, with general information.
I want to delete using INNER JOIN in SQL Server 2008. But I get this error: Msg 156, Level 15, State 1, Line 15 Incorrect syntax near the keyword 'INNER'. My code: DELETE FROM WorkRecord2 INNER...
2 To delete a folder even if it might not exist (avoiding the race condition in Charles Chow's answer) but still have errors when other things go wrong (e.g. permission problems, disk read error, the file isn't a directory) For Python 3.x:
Now if I want to delete from messages table it's ok. But when I delete message by messageid the record still exists on usersmessage and I have to delete from this two tables at once.