1. Scripting Reference for Oracle Essbase
  2. MaxL
  3. How to Read MaxL Railroad Diagrams
  4. Railroad Diagram Symbols

Railroad Diagram Symbols

The following table describes the meaning of symbols used in railroad diagrams.

Table 3-1 Railroad Diagram Symbols

Symbol Definition
Two right-pointing arrows followed by a line. Statement begins here.
A line ending with one right-pointing arrow. Statement continues on next line.
A right-pointing arrow followed by a line. Statement is continued from previous line.
A line ending with one right-pointing arrow and one left-pointing arrow. Statement ends here.
Two ladder rungs recessed below the main line. Word on the top recessed rung is bold, and the word on second recessed rung is not bold. Alternatives: optionally select one keyword. Boldface indicates default if no selection is made.
Three ladder rungs attached to main line, with words on them. Alternatives: selection of one keyword is required.
A recessed ladder rung with a comma on it. A comma-separated list of any length is permitted.
TERMINAL-NAME. All caps. Word is not further defined. Replace with value of format shown in the Terminals table.
<NON-TERMINAL>. All caps, and enclosed in angle brackets. Word used in statement is further defined.
<NON-TERMINAL> followed by ::= symbols. All caps, and enclosed in angle brackets. Non-terminal used in statements is defined here.