SELECT * FROM sysobjects WHERE (xtype = 'U')
C = CHECK constraint
D = Default or DEFAULT constraint
F = FOREIGN KEY constraint
L = log
FN = scalar function
IF = inline table function
P = stored procedure
PK = PRIMARY KEY constraints (type K)
the RF = Replication filter stored procedure
S = system table
TF = table function
TR = trigger
U = user table
UQ = UNIQUE constraint (type K)
V = view
X = extended stored procedure