MySQL
LOAD DATA INFILE '/tmp/blah.txt' INTO TABLE mytable 
FIELDS TERMINATED BY '\t' 
LINES TERMINATED BY '\n';

MS SQL
BULK INSERT [table name] FROM [filename to insert] 
WITH (FIELDTERMINATOR = '\t',
FIRSTROW=2,
ROWTERMINATOR = '\n')

Oracle
Two stage control file insert methadology similar to above