How SQL Server performs bulk inserts and bulk deletions

Normally, our SQL Server executes the query statement by

Insert into table name (field name, field name) VALUES (insert value, insert value)

-- Single INSERT statement--- Insert  into Values (' test ')

So how do you bulk insert it? Besides the combination of multiple INSERT statements, is there anything else?

--Bulk Add---for SQL Server--Mode 1: Multiple INSERT statements insert----Insert  intoReader (Readername)Values('Reader 1');Insert  intoReader (Readername)Values('Reader 2');Insert  intoReader (Readername)Values('Reader 3');--mode 2:union all mode to insert---Insert  intoReader (readername)Select 'Reader 4'Union  AllSelect 'Reader 5'Union  All Select 'Reader 6'--Way 3:sqlserver2008 The new insert syntax---Insert  intoReader (readername)Values('Read 7'),('Read 8'),('Read 9')

After inserting the results are as follows:

So how to bulk delete what? We know that the delete syntax is like this

Delete from table name where condition

-- Delete a piece of data--- Delete  from where readid=1- - Delete multiple data in bulk--Deletefromwhere  in (2,3,4)

After deletion, the result is as follows:

How SQL Server performs bulk inserts and bulk deletions