The object_id() function is still available in SQL 2000 and still returns NULL if you supply the name of a non-existent table - try this example -
use pubs
go
if object_id('jobs') is not null
print 'jobs table exists'
else
print 'jobs table does not exist'
go
---
jobs table exists
A better way would be to query the database schema, rather than abuse the object_id() function. Something like this:
use pubs
go
if exists(select 1 from information_schema.tables where table_name = '
+jobs')
print 'jobs table exists'
else
print 'jobs table does not exist'
go
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