Big-Data-HPC-Platform/docs/ECLLanguageReference/ECLR_mods/Expr-RecordSetOps.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="Record_SetRecord_Set_Operators">
  <title>Record Set<indexterm>
      <primary>Record Set</primary>
    </indexterm> Operators<indexterm>
      <primary>Record Set Operators</primary>
    </indexterm></title>

  <para>The following record set Append operators are supported (both require
  that the files were created using identical RECORD structures<indexterm>
      <primary>RECORD structure</primary>
    </indexterm>):</para>

  <informaltable colsep="1" frame="all" rowsep="1">
    <tgroup align="left" cols="2">
      <colspec colwidth="94.80pt" />

      <colspec />

      <tbody>
        <row>
          <entry>+</entry>

          <entry>Append all records from both files, independent of any
          order</entry>
        </row>

        <row>
          <entry>&amp;</entry>

          <entry>Append all records from both files, maintaining record order
          on each node</entry>
        </row>
      </tbody>
    </tgroup>
  </informaltable>
</sect1>