What Is SQL*Loader

Oracle Databases today are ever increasing in complexity and size. Gigabyte-sized databases are common, and data warehouses are often reaching the terabyte-sized range. With the growth of these databases, the need to populate them with external data quickly and efficiently is of paramount importance. To handle this challenge, Oracle provides a tool called SQL*Loader that loads data from external data files into an Oracle database.

SQL*Loader has many functions that include the following capabilities:

  • Data can be loaded from multiple input data files of differing file types.

  • Input records can be of fixed and variable lengths.

  • Multiple tables can be loaded in the same run. SQL*Loader can also logically load selected records into ...

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