SQL Server 2005 : Verify table already exists

Verifying that an object exists

If the table exists, it is deleted. If the table does not exist, the DROP TABLE statement is not executed.

IF OBJECT_ID (N’dbo.AWBuildVersion’, N’U’) IS NOT NULL
 DROP TABLE dbo.AWBuildVersion;
GO

Syntax :

OBJECT_ID (‘object_name’, [‘object_type’])

Object Type is optional, and possible values it can hold are.. (Items in bold are frequently used)

Object type:

AF = Aggregate function (CLR)

C = CHECK constraint

D = DEFAULT (constraint or stand-alone)

F = FOREIGN KEY constraint

PK = PRIMARY KEY constraint

P = SQL stored procedure

PC = Assembly (CLR) stored procedure

FN = SQL scalar function

FS = Assembly (CLR) scalar function

FT = Assembly (CLR) table-valued function

R = Rule (old-style, stand-alone)

RF = Replication-filter-procedure

SN = Synonym

SQ = Service queue

TA = Assembly (CLR) DML trigger

TR = SQL DML trigger

IF = SQL inlined table-valued function

TF = SQL table-valued-function

U = Table (user-defined)

UQ = UNIQUE constraint

V = View

X = Extended stored procedure

IT = Internal table

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