데이터베이스 메타데이터 보기

다음 예에서는 카탈로그 뷰 sys.partitions, sys.allocation_units, sys.objects 및 sys.indexes를 사용하여 데이터베이스의 각 테이블과 인덱스에 사용되는 파티션 번호와 할당 단위를 반환합니다.

SELECT SCHEMA_NAME(o.schema_id) AS schema_name,
    o.name AS table_name, 
    i.name AS index_name, 
    au.type_desc AS allocation_type, 
    au.data_pages AS pages_per_allocation_unit, 
    partition_number
FROM sys.allocation_units AS au
    JOIN sys.partitions AS p ON au.container_id = p.partition_id
    JOIN sys.objects AS o ON p.object_id = o.object_id
    JOIN sys.indexes AS i ON p.index_id = i.index_id 
        AND i.object_id = p.object_id
WHERE o.type_desc <> N'SYSTEM_TABLE'
ORDER BY table_name, p.index_id;

다음 예에서는 카탈로그 뷰 sys.database_files와 동적 관리 뷰 sys.dm_db_file_space_usage를 사용하여 tempdb 데이터베이스에 대한 크기 정보를 반환합니다. sys.dm_db_file_space_usage 뷰는 tempdb에만 적용됩니다.

USE tempdb;
GO
SELECT 
name AS FileName, 
size*1.0/128 AS FileSizeinMB,
'MaximumSizeinMB' = 
    CASE max_size 
       WHEN 0 THEN 'No growth is allowed.'
       WHEN -1 THEN 'Autogrowth is on.'
       WHEN 268435456 
          THEN 'Log file will grow to a maximum size of 2 TB.'
       ELSE CAST (max_size*1.0/128 AS nvarchar(30))
    END,
growth AS 'GrowthValue',
'GrowthIncrement' = 
    CASE 
       WHEN growth = 0 THEN 'File size is fixed and will not grow.'
       WHEN growth > 0 AND is_percent_growth = 0 
          THEN 'Growth value is in units of 8-KB pages.'
       ELSE 'Growth value is a percentage.'
    END
FROM tempdb.sys.database_files;
GO
USE tempdb;
GO
SELECT (SUM(unallocated_extent_page_count)*1.0/128) AS free_space_in_MB,
(SUM(version_store_reserved_page_count + 
    user_object_reserved_page_count +internal_object_reserved_page_count + 
    mixed_extent_page_count)*1.0/128) AS used_space_in_MB
FROM sys.dm_db_file_space_usage;

다음 예에서는 시스템 함수 DATABASEPROPERTYEX를 사용하여 AdventureWorks2008R2 데이터베이스에 대한 기본 데이터 정렬의 이름을 반환합니다.

SELECT DATABASEPROPERTYEX('AdventureWorks2008R2', 'Collation');