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ABAPDATA_SYNTAX - DATA SYNTAX

DATA var$[(len)$] $[TYPE ${ ${abap_type $[LENGTH len$]
                                   $[DECIMALS dec$]$}
                      $| ${$[LINE OF$] type $[BOXED$]$}
                      $| ${REF TO type$}
                      $| ${ ${${$[STANDARD$] TABLE$}
                          $|${SORTED TABLE$}
                          $|${HASHED TABLE$}$}
                          OF $[REF TO$] type
                          $[ ${WITH $[UNIQUE$|NON-UNIQUE$]
                               ${ ${KEY $[primary_key $[ALIAS alias_name$]
                                    COMPONENTS$] comp1 comp2 ...$}
                               $| ${DEFAULT KEY$} $}$}
                          $| ${WITH EMPTY KEY$} $]
                          ${$[WITH ${UNIQUE HASHED$}$|${${UNIQUE$|NON-UNIQUE$} SORTED$}
                             KEY key_name1 $[ALIAS alias_name1$] COMPONENTS comp1 comp2 ...$]
                           $[WITH ${UNIQUE HASHED$}$|${${UNIQUE$|NON-UNIQUE$} SORTED$}
                             KEY key_name2 $[ALIAS alias_name2$] COMPONENTS comp1 comp2 ...$]
                           ...$}
                          $[INITIAL SIZE n$]
                          $[WITH HEADER LINE$]$}
                        $| ${RANGE OF type $[INITIAL SIZE n$]
                                         $[WITH HEADER LINE$]$}
                        $| ${dbtab$|view
                            ${ READER$|LOCATOR$|${LOB HANDLE$} $}
                          $| ${ WRITER$|LOCATOR $} FOR
                            ${ COLUMNS blob1 blob2 ...  clob1 clob2 ... $}
                          $| ${ ALL $[OTHER$] $[BLOB$|CLOB$] COLUMNS $}
                              $[...$]$}$} $]
              $| $[LIKE ${ ${$[LINE OF$] dobj$}
                      $| ${REF TO dobj$}
                      $| ${ ${${$[STANDARD$] TABLE$}
                          $|${SORTED TABLE$}
                          $|${HASHED TABLE$}$}
                          OF $[REF TO$] dobj
                          $[ ${WITH $[UNIQUE$|NON-UNIQUE$]
                               ${ ${KEY $[primary_key $[ALIAS alias_name$]
                                    COMPONENTS$] comp1 comp2 ...$}
                               $| ${DEFAULT KEY$} $}$}
                          $| ${WITH EMPTY KEY$} $]
                          ${$[WITH ${UNIQUE HASHED$}$|${${UNIQUE$|NON-UNIQUE$} SORTED$}
                             KEY key_name1 $[ALIAS alias_name1$] COMPONENTS comp1 comp2 ...$]
                           $[WITH ${UNIQUE HASHED$}$|${${UNIQUE$|NON-UNIQUE$} SORTED$}
                             KEY key_name2 $[ALIAS alias_name2$] COMPONENTS comp1 comp2 ...$]
                           ...$}
                          $[INITIAL SIZE n$]
                          $[WITH HEADER LINE$]$}
                        $| ${RANGE OF dobj $[INITIAL SIZE n$]
                                         $[WITH HEADER LINE$]$} $}$]
                $[VALUE ${ val $| ${IS INITIAL$} $}$]
                $[READ-ONLY$].