CDSQueryHelperSample.cs

public void DeleteSetBaseStatement()
{
    var deleteSetStatement = new DeleteSetStatement();

    deleteSetStatement.From = new FromClause()
        {
        Alias = "A",
        EntitySet = TestHelper.GetEntitySetRef<Student>()
        };

    ExpressionContainer expressionRecIdFilter = 
        RelationalQueryBuilderHelper.EqualComparisonOperator(
            RelationalQueryBuilderHelper.CreateField("A", DataServiceConstants.RecIdFieldName),
            RelationalQueryBuilderHelper.CreateInt64Literal(1)
        );

    ExpressionContainer expressionEtagFilter = 
        RelationalQueryBuilderHelper.EqualComparisonOperator(
            RelationalQueryBuilderHelper.CreateField("A", DataServiceConstants.RecVersionFieldName),
            RelationalQueryBuilderHelper.CreateInt64Literal(2)
        );

    ExpressionContainer andFilterExpression = 
        RelationalQueryBuilderHelper.AndOperator(
            expressionRecIdFilter, expressionEtagFilter
        );

    deleteSetStatement.AddWhereExpression(andFilterExpression);

    var sqlResult = deleteSetStatement.ToSql();

    sqlResult.Should().Be("DELETE T1 FROM [dbo].[RTSStudent] T1 WHERE ((T1.[RECID] = @P1) AND (T1.[RECVERSION] = @P2));");
    
}