SQLServer the system view sysobjects of type Object Type field:
AF = aggregate functions (CLR)
C = CHECK constraints
D = DEFAULT (constraint or independent)
F = FOREIGN KEY constraint
FN = SQL scalar function
(CLR) scalar function assemblies FS =
FT = Assembly (CLR) table-valued function
IF = SQL inline table valued function
IT = Internal table
P = SQL Stored Procedures
PC = Assembly (CLR) stored procedure
PG = Program Guide
PK = PRIMARY KEY constraints
R = rule (old, independent)
RF = Replication filter process
System base table S =
SN = synonyms
SQ = service queue
TA = Assembly (CLR) DML trigger
TF = SQL table-valued function
TR = SQL DML triggers
U = Table (user-defined type)
UQ = UNIQUE constraint
V = view
X = Extended stored procedure