SelectColumn Class

In This Topic

Represents a column or an expression in SELECT, GROUP BY and ORDER BY clauses of a SQL statement.

Syntax

Visual Basic
C#

'Declaration
 
Public NotInheritable Class SelectColumn 
   Inherits SelectStatementNode

public sealed class SelectColumn : SelectStatementNode

Example

This example shows how SelectColumns can be used to create a SelectStatement object representing the following query:

SELECT test.dept.dname Department, test.dept.loc Location
    FROM test.dept

csharp

OracleSelectStatement statement = new OracleSelectStatement();

// Create columns. Specify their schema, tables to which they belong, their names and aliases.
SelectColumn cName = new SelectColumn("test", "dept", "dname", "Department");
SelectColumn cLoc = new SelectColumn("test", "dept", "loc", "Location");

statement.Columns.Add(cName);
statement.Columns.Add(cLoc);

statement.Tables.Add(new SelectTable("test", "dept", ""));

Visual Basic

Dim statement As OracleSelectStatement = New OracleSelectStatement()

' Create columns. Specify their schema, tables to which they belong, their names and aliases.
Dim cName = New SelectColumn("test", "dept", "dname", "Department")
Dim cLoc = New SelectColumn("test", "dept", "loc", "Location")

statement.Columns.Add(cName)
statement.Columns.Add(cLoc)

statement.Tables.Add(New SelectTable("test", "dept", ""))

Inheritance Hierarchy

System.Object
Devart.Common.SelectStatementNode
Devart.Common.SelectColumn

Requirements

Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

Reference

SelectColumn Members
Devart.Common Namespace

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