40. A computer-implemented system including a migration engine for migrating data from at least one source to at least one destination table of a database having a schema without a user having to write computer code, the migration engine comprising: a data map architect for creating a set of migration rules based on the schema; and an update processor for: generating a set of instructions that define migration paths based on the migration rules; transforming the data based on the set of instructions to obtain transformed data; and loading the transformed data in the at least one destination table based on the set of instructions, the at least one destination table having a format and fields, wherein the update processor loads the transformed data in an automatic sequence so that referential integrity is maintained.
41. The system as claimed in claim 40 wherein the data map architect loads the data from the at least one source into at least one temporary table having source and destination fields.