Big-Data-HPC-Platform/docs/ECLLanguageReference/ECLR_mods/DocumentStructure.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
"http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd">
<sect1 id="Documentation_Structure" role="nobrk">
  <title>Documentation Structure</title>

  <para>This manual documents the Enterprise Control Language (ECL). ECL has
  been designed specifically for working with huge sets of data. This book is
  designed to be both a learning tool and a reference work and is divided into
  the following sections:</para>

  <informaltable colsep="1" frame="all" rowsep="1">
    <tgroup cols="2">
      <colspec align="left" colwidth="122.40pt" />

      <colspec />

      <tbody>
        <row>
          <entry><emphasis role="bold">ECL Basics</emphasis></entry>

          <entry>Addresses the fundamental concepts of ECL.</entry>
        </row>

        <row>
          <entry><emphasis role="bold">Expressions and
          Operators</emphasis></entry>

          <entry>Defines available operators and their expression evaluation
          precedence.</entry>
        </row>

        <row>
          <entry><emphasis role="bold"><emphasis role="bold">Value
          Types</emphasis></emphasis></entry>

          <entry>Introduces data types and type casting.</entry>
        </row>

        <row>
          <entry><emphasis role="bold">Record Structures and
          Files</emphasis></entry>

          <entry>Introduces the RECORD structure, DATASET, and INDEX.</entry>
        </row>

        <row>
          <entry><emphasis role="bold"><emphasis role="bold">Alien Data
          Types</emphasis></emphasis></entry>

          <entry>Defines the TYPE structure and the functions it may
          use.</entry>
        </row>

        <row>
          <entry><emphasis role="bold"><emphasis role="bold"><emphasis
          role="bold">Natural Language Parsing
          Support</emphasis></emphasis></emphasis></entry>

          <entry>Defines the patterns and functions the PARSE function may
          use.</entry>
        </row>

        <row>
          <entry><emphasis role="bold"><emphasis role="bold">Reserved
          Keywords</emphasis></emphasis></entry>

          <entry>Defines special-use ECL keywords not elsewhere
          defined.</entry>
        </row>

        <row>
          <entry><emphasis role="bold"><emphasis role="bold"><emphasis
          role="bold">Special
          Structures</emphasis></emphasis></emphasis></entry>

          <entry>Defines the TRANSFORM, MACRO, and other structures and their
          use.</entry>
        </row>

        <row>
          <entry><emphasis role="bold"><emphasis role="bold"><emphasis
          role="bold">Built-In Functions and
          Actions</emphasis></emphasis></emphasis></entry>

          <entry>Defines the functions and actions available as part of the
          language.</entry>
        </row>

        <row>
          <entry><emphasis role="bold"><emphasis role="bold"><emphasis
          role="bold">Workflow
          Services</emphasis></emphasis></emphasis></entry>

          <entry>Defines the job execution/process control aspects of
          ECL.</entry>
        </row>

        <row>
          <entry><emphasis role="bold"><emphasis role="bold"><emphasis
          role="bold">Templates</emphasis></emphasis></emphasis></entry>

          <entry>Defines the ECL Template commands.</entry>
        </row>

        <row>
          <entry><emphasis role="bold"><emphasis role="bold">External
          Services</emphasis></emphasis></entry>

          <entry>Defines the SERVICE structure and its use.</entry>
        </row>
      </tbody>
    </tgroup>
  </informaltable>
</sect1>