如果两个数据库在同一台服务器上,那么您可以执行一系列查询,将两个数据库上的 sys.indexes 和 sys.index_columns 表进行外部连接。您还需要查看 sys.index_columns 以检查列是否相同(还要检查相同的顺序 - 这会影响查询计划)。
如果两个数据库位于不同的服务器上,您需要将 sys.indexes 和 sys.index_columns 的内容复制到另一台服务器上,并对您的表副本执行类似的查询。
此类查询的示例可能如下所示(如果您想查看单个表,请用适当的数据库代替 FOO 和 BAR,并为单个查询添加适当的过滤器):
select *
from
(select s1.name as SchemaName
,t1.name as TableName
,c1.name as ColumnName
,i1.name as IndexName
,i1.index_id
,c1.column_id
,c1.system_type_id
,c1.user_type_id
,ty1.name as ColumnType
,c1.collation_name -- Note this is nullable
,c1.is_nullable
,c1.max_length
,c1.[precision]
,c1.scale
,ic1.index_column_id
,ic1.key_ordinal
,ic1.partition_ordinal
,ic1.is_descending_key
,ic1.is_included_column
from [FOO].sys.schemas s1
join [FOO].sys.tables t1
on t1.schema_id = s1.schema_id
join [FOO].sys.columns c1
on t1.object_id = c1.object_id
join [FOO].sys.types ty1
on ty1.system_type_id = c1.system_type_id
and ty1.user_type_id = c1.user_type_id
join [FOO].sys.index_columns ic1
on ic1.object_id = c1.object_id
and ic1.column_id = c1.column_id
join [FOO].sys.indexes i1
on i1.object_id = ic1.object_id
and i1.index_id = ic1.index_id) r1
full outer join
(select s1.name as SchemaName
,t1.name as TableName
,c1.name as ColumnName
,i1.name as IndexName
,i1.index_id
,c1.column_id
,c1.system_type_id
,c1.user_type_id
,ty1.name as ColumnType
,c1.collation_name -- Note this is nullable
,c1.is_nullable
,c1.max_length
,c1.[precision]
,c1.scale
,ic1.index_column_id
,ic1.key_ordinal
,ic1.partition_ordinal
,ic1.is_descending_key
,ic1.is_included_column
from [BAR].sys.schemas s1
join [BAR].sys.tables t1
on t1.schema_id = s1.schema_id
join [BAR].sys.columns c1
on t1.object_id = c1.object_id
join [BAR].sys.types ty1
on ty1.system_type_id = c1.system_type_id
and ty1.user_type_id = c1.user_type_id
join [BAR].sys.index_columns ic1
on ic1.object_id = c1.object_id
and ic1.column_id = c1.column_id
join [BAR].sys.indexes i1
on i1.object_id = ic1.object_id
and i1.index_id = ic1.index_id) r2
on r1.SchemaName = r2.SchemaName
and r1.TableName = r2.TableName
and r1.ColumnName = r2.ColumnName
and r1.IndexName = r2.IndexName