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MS SQL Server Interview Question:
How To List All Schemas in a Database?
Submitted by: AdministratorIf you want see all existing schemas in the current database, you can use view sys.schemas as shown in the example below:
USE GlobalGuideLineDatabase;
GO
SELECT * FROM sys.schemas;
GO
<pre>name schema_id principal_id
-------------------- ----------- ------------
dbo 1 1
guest 2 2
INFORMATION_SCHEMA 3 3
sys 4 4
ggl 5 1
db_owner 16384 16384
db_accessadmin 16385 16385
db_securityadmin 16386 16386
db_ddladmin 16387 16387
db_backupoperator 16389 16389
db_datareader 16390 16390
db_datawriter 16391 16391
db_denydatareader 16392 16392
db_denydatawriter 16393 16393
(14 row(s) affected)</pre>
All schemas, except "ggl", in the list were created by SQL Server.
Submitted by: Administrator
USE GlobalGuideLineDatabase;
GO
SELECT * FROM sys.schemas;
GO
<pre>name schema_id principal_id
-------------------- ----------- ------------
dbo 1 1
guest 2 2
INFORMATION_SCHEMA 3 3
sys 4 4
ggl 5 1
db_owner 16384 16384
db_accessadmin 16385 16385
db_securityadmin 16386 16386
db_ddladmin 16387 16387
db_backupoperator 16389 16389
db_datareader 16390 16390
db_datawriter 16391 16391
db_denydatareader 16392 16392
db_denydatawriter 16393 16393
(14 row(s) affected)</pre>
All schemas, except "ggl", in the list were created by SQL Server.
Submitted by: Administrator
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