bas7advr.hlp (Topic list)
DELETEINDEX Statement Details
  Syntax  Details  Example                 Contents  Index  Back
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DELETEINDEX removes an index from an ISAM database.
 
DELETEINDEX [#]filenumber%,indexname$
    ■ The argument filenumber% is the number used in the OPEN statement
      to open the table.
    ■ The argument indexname$ is the name used in the CREATEINDEX statement
      to create the index.