[PERFORM] out of memory

hi i have sql file (it's size are 1GB ) when i execute it then the String is 987098801 bytr too long for encoding conversion error occured . pls give me solution about i have XP 64-bit with 8 GB RAM shared_buffer 1GB check point = 34 with thanks mahavir

[PERFORM] Invalid memory alloc request size

dear friends i have - sql file of size more than 1 gb when i execute it then after some time "Invalid memory alloc request size 100234023 byte" occcured what ' s problem that i don't know ? with thanks mahavir