In some enterprise systems, you may have to deal with remote objects over which you have no control. For example, a database that is maintained by another department or team. Synonyms can help you decouple the name and location of the underlying object from your SQL code. That way you can code against a synonym … Read more
I have had the same requirement. Indexes can not be added to a CTE. However, in the CTE select adding an ORDER BY clause on the joined fields reduced the execution time from 20 minutes or more to under 10 seconds. (You need to also ADD SELECT TOP 100 PERCENT to allow an ORDER BY … Read more
To get the bottom 1000 you will want to order it by a column in descending order, and still take the top 1000. SELECT TOP 1000 * FROM [SomeTable] ORDER BY MySortColumn DESC If you care for it to be in the same order as before you can use a common table expression for that: … Read more
It’s SSMS, not SQL Server. If it’s an error against the database engine you’ll know it (it wouldn’t execute the command successfully). Solution You need to refresh the Intellisense cache (Ctrl + Shift + R). Or you can go to Edit -> IntelliSense -> Refresh Local Cache.
I believe that you will have to drop the foreign key constraints first. Then update all of the appropriate tables and remap them as they were. ALTER TABLE [dbo.Details_tbl] DROP CONSTRAINT [FK_Details_tbl_User_tbl]; — Perform more appropriate alters ALTER TABLE [dbo.Details_tbl] ADD FOREIGN KEY (FK_Details_tbl_User_tbl) REFERENCES User_tbl(appId); — Perform all appropriate alters to bring the key … Read more
I don’t really understand how your table is set up – ie. the table name, the column name etc – so this is an example of how the proc works for column renames: If I had a table like this: CREATE TABLE [dbo].[Company]( [ID] [int], [CompanyName] [varchar](20) ) and wanted to change the [CompanyName] column, … Read more
According to the documentation: nvarchar [ ( n | max ) ] Variable-length Unicode string data. n defines the string length and can be a value from 1 through 4,000. max indicates that the maximum storage size is 2^31-1 bytes (2 GB). The storage size, in bytes, is two times the actual length of data … Read more
READ COMMITTED is the default isolation level for the Microsoft SQL Server Database Engine. Source: Customizing Transaction Isolation Level @ MSDN. Here is how it compares to other isolation levels: Transaction Isolation Levels @ MSDN. The MSDN documentation for SqlConnection.BeginTransaction() also states Read committed … To reset the isolation level to the default (READ COMMITTED) … Read more
From http://msdn.microsoft.com/en-us/library/ms176089.aspx varchar [ ( n | max ) ] Variable-length, non-Unicode character data. n can be a value from 1 through 8,000. max indicates that the maximum storage size is 2^31-1 bytes. The storage size is the actual length of data entered + 2 bytes. The data entered can be 0 characters in length. … Read more
The answers you are looking for really can not be found using lucene alone. You need ranking and grouping algorithms to filter and understand the data and how it relates. Lucene can help you get normalized data, but you need the right algorithm after that. I would recommend you check out one or all of … Read more