SQL

SQL Server AS keyword

The AS keyword is used to assign an alias name of a column or a table

Syntax:
SELECT COL1, COL1 
    FROM Table_Name AS DEMO
-- CREATE TABLE
CREATE TABLE [dbo].[Tbl_Demo](
    [ID] [int] IDENTITY(1,1) NOT NULL,
    [Name] [varchar](500) NULL,
    [Age] [int] NULL,
    [IsActive] [bit] NULL,
    [IsDeleted] [bit] NULL,
 CONSTRAINT [PK_Tbl_Demo] PRIMARY KEY CLUSTERED 
(
    [ID] ASC
)WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY]
) ON [PRIMARY]

GO
SET ANSI_PADDING OFF
GO
--INSERT TABLE ROWS
SET IDENTITY_INSERT [dbo].[Tbl_Demo] ON 

GO
INSERT [dbo].[Tbl_Demo] ([ID], [Name], [Age], [IsActive], [IsDeleted]) VALUES (1, N'Anil Singh', 30, 1, 0)
GO
INSERT [dbo].[Tbl_Demo] ([ID], [Name], [Age], [IsActive], [IsDeleted]) VALUES (2, N'Aradhya', 3, 1, 0)
GO
INSERT [dbo].[Tbl_Demo] ([ID], [Name], [Age], [IsActive], [IsDeleted]) VALUES (3, N'Reena', 28, 1, 0)
GO
INSERT [dbo].[Tbl_Demo] ([ID], [Name], [Age], [IsActive], [IsDeleted]) VALUES (4, N'Sunil Singh', 27, 1, 0)
GO
INSERT [dbo].[Tbl_Demo] ([ID], [Name], [Age], [IsActive], [IsDeleted]) VALUES (5, N'Sushil', 22, 1, 0)
GO
SET IDENTITY_INSERT [dbo].[Tbl_Demo] OFF
GO

-- SELECT TABLE ROWS
SELECT * FROM [dbo].[Tbl_Demo] AS DEMO

-- Result looks like,
ID  Name    Age IsActive    IsDeleted
--------------------------------------------
1   Anil Singh  30  1   0
2   Aradhya 3   1   0
3   Reena   28  1   0
4   Sunil Singh 27  1   0
5   Sushil  22  1   0

ANIL SINGH

Anil Singh is an author, tech blogger, and software programmer. Book writing, tech blogging is something do extra and Anil love doing it. For more detail, kindly refer to this link..
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