SAP ABAP DECLARATIONS

From SapWiki

Generic ABAP types

Type           Description      
 
 any            Any data type 
 any table      Internal table with any table type 
 c              Text field with a generic length 
 clike          Character-like (c, n, and string plus the date/time types d, t and character-like flat structures) 
 csequence      Text-like (c, string) 
 data           Any data type 
 decfloat       Decimal floating point number (decfloat16, decfloat34) 
 hashed table   Hashed table 
 index table    Index table 
 n              Numeric text with generic length 
 numeric        Numeric ((b, s), i, int8, p, decfloat16, decfloat34, f) 
 object         Any object type (root class of the inheritance hierarchy) 
 p              Packed number with generic length and generic number of decimal places 
 simple         Elementary data type including enumerated types and structured types with exclusively character-like flat components 
 sorted table   Sorted table 
 standard table Standard table 
 table          Standard table 
 x              Byte field with generic length 
 xsequence      Byte-like (x, xstring)

Declarar tipo tabla en una estructura