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db_id()
The
system function
db_id()
returns the
identification number (id)
of a
database.
The function db_id() is a
Transact-SQL
extension. It can be executed by any
user.
Syntax of the System Function db_id()
The parameter of the System Function db_id()
"database_name"
The parameter "database_name" is the name of a database, as stored in the
column
"name" of the
system table
sysdatabases.
If the parameter "database_name" is not specified, the function
db_id() returns the identification number of the database currently in use.
Example for the System Function db_id()
select db_id("tempdb")
go
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2
Returns the id (2) of the database "tempdb".
See also:
ASE T-SQL - Aggregate Functions,
audit_event_name(),
col_length(),
col_name(),
curunreservedpgs(),
datachange(),
datalength(),
data_pages(),
data_pgs(),
db_name(),
host_id(),
host_name(),
identity(),
index_col(),
index_colorder(),
isnull(),
lct_admin(),
license_enabled(),
lockscheme(),
next_identity(),
object_id(),
object_name(),
pagesize(),
pointer_size(),
ptn_data_pgs(),
reserved_pages(),
reserved_pgs(),
rowcnt(),
row_count(),
showplan_in_xml(),
syb_sendmsg(),
syb_sendmsg(),
System Functions,
tempdb_id(),
tran_dumpable_status(),
tsequal(),
used_pages(),
used_pgs().
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