question on SQL schema

My company is currently developing a new database driven
application. Originally we had designed the structure
with three database's (based on update schedule and
administration). My Oracle DBA has looked over the plan
and recomends we put the three databases into one and
seperate as multiple schemas. I have looked all over
microsoft.com and haven't found anything that discusses
multiple schemas. I'm guessing its a different
terminology on the Microsoft side.
How would I go about developing a single database that is
segregated into three so called schemas. I know Oracle
uses [schema.]tablename and SQL uses
server.database.owner.tablename. Does this mean I create
an owner for each dataset (schema).
thanks
JustinHi Justin,
I think you are right. Oracle uses [schema.]tablename and SQL uses
server.database.owner.tablename. You can create an owner for each dataset
(schema).
You may want to know what is "owner" in SQL Server, please refer to "Owners
and Permissions", "Database Object Owner" in SQL Books Online.
~~~~~~~~~~~~~~~~~
Every object in Microsoft SQL Server 2000 is owned by a user. The owner is
identified by a database user identifier (ID). When an object is first
created, the only user ID that can access the object is the user ID of the
owner or creator. For any other user to access the object, the owner must
grant permissions to that user. If the owner wants only specific users to
access the object, the owner can grant permissions to those specific users.
For tables and views, the owner can grant INSERT, UPDATE, DELETE, SELECT,
and REFERENCES permissions, or ALL permissions. A user must have INSERT,
UPDATE, DELETE, or SELECT permissions on a table before they can specify it
in INSERT, UPDATE, DELETE, or SELECT statements. The REFERENCES permission
lets the owner of another table use columns in your table as the target of
a REFERENCES FOREIGN KEY constraint from their table. The following example
illustrates granting SELECT permissions to a group named Teachers and
REFERENCES permissions to another development user:
GRANT SELECT ON MyTable TO Teachers
GRANT REFERENCES (PrimaryKeyCol) ON MyTable to DevUser1
The owner of a stored procedure can grant EXECUTE permissions for the
stored procedure. If the owner of a base table wants to prevent users from
accessing the table directly, they can grant permissions on views or stored
procedures referencing the table, but not grant any permissions on the
table itself. This is the foundation of the SQL Server mechanisms to ensure
that users do not see data they are not authorized to access.
Users can also be granted statement permissions. Some statements, such as
CREATE TABLE and CREATE VIEW, can only be executed by certain users (in
this case, the dbo user). If the dbo wants another user to be able to
create tables or views, they must grant the permission to execute these
statements to that user.
~~~~~~~~~~~~~~~~~
Sincerely,
William Wang
Microsoft Partner Online Support
Get Secure! - www.microsoft.com/security
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| Subject: question on SQL schema
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| My company is currently developing a new database driven
| application. Originally we had designed the structure
| with three database's (based on update schedule and
| administration). My Oracle DBA has looked over the plan
| and recomends we put the three databases into one and
| seperate as multiple schemas. I have looked all over
| microsoft.com and haven't found anything that discusses
| multiple schemas. I'm guessing its a different
| terminology on the Microsoft side.
|
| How would I go about developing a single database that is
| segregated into three so called schemas. I know Oracle
| uses [schema.]tablename and SQL uses
| server.database.owner.tablename. Does this mean I create
| an owner for each dataset (schema).
|
| thanks
|
| Justin
|