Inserting multiple rows in SQL

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You can do this in two ways. The first is with one statement:

insert
  into daTable
     ( col1, col2, ... coln )
values
     ( '21',   9,  ... 'oh' )
    ,( '22',  37,  ... 'my' )
    ,( '23',  42,  ... 'we' )
    ,( '24',  11,  ... 'be' )
    ,( '25',  77,  ... 'at' );

That's one call to the database, with a single SQL statement, inserting five rows.

Note: this does not work in Oracle. I think it does in DB2, I know it does not in SQL Server, but it does in MySQL. If your database doesn't support it, please choose the next method.

The second method uses five SQL statements:

insert
  into daTable
     ( col1, col2, ... coln )
values
     ( '21',   9,  ... 'oh' )
;
insert
  into daTable
     ( col1, col2, ... coln )
values
     ( '22',  37,  ... 'my' )
;
insert
  into daTable
     ( col1, col2, ... coln )
values
     ( '23',  42,  ... 'we' )
;
insert
  into daTable
     ( col1, col2, ... coln )
values
     ( '24',  11,  ... 'is' )
;
insert
  into daTable
     ( col1, col2, ... coln )
values
     ( '25',  77,  ... 'at' )
;

This might still be just one call to the database, provided that the interface will allow concatenated SQL statements (note the semicolons) in one call. If your interface does not, then you have no choice but to call the database five times. If the number of insertions increases much higher than five, consider uploading a file to a holding table and using INSERT SELECT syntax to load your target table.