• An Internal table is a temporary table that contains the records of an Advanced Business Application Programming Program, while the program is being executed.
  • An internal table exists only during run time of a SAP program.
  • Internal table are used to process large volumes of data by using the ABAP language.
  • We must declare an internal table in an ABAP program when you need to retrieve data from database tables. Internal table can act as data type and data object.
  • A data type is the abstract description of data object an internal table is accessed by using the concept of work area, a work area is a temporary memory space that helps you in reading and modifying the data of an internal table line by line.