sql-server-2008-r2

问题 SQL Server 2008R2 Transactional Replication - Move SubscriberDB - Push Subscription I have a requirement to move a subscriber database to a new server outside of a system outage i.e. I cannot stop new transaction from loading into the publisher database. So far I have attempted to stop the distribution agent and let all un-replicated commands replicate to the subscriber database at Server1. Then backup and restore the subscriber database to Server2. I have then created a new subscription from

问题 Today I created a new table in SQL Azure portal and by default there is an Id INT column. Id ( int , PK , Not Null) When I tried to change it to BIGINT it gave me the following error: An error was encountered while applying the changes.An exception occurred while executing the Transact-SQL statement: ALTER TABLE [dbo].[PerformanceData] ALTER COLUMN [Id] BIGINT NOT NULL. The object 'PrimaryKey_029c7a8d-e6b2-43b8-94f1-98fc5b0115e3' is dependent on column 'Id'. ALTER TABLE ALTER COLUMN Id failed

问题 I have the following table: Table: CREATE TABLE str_matching ( colstr varchar(200) ); Insert data: INSERT INTO str_matching VALUES('5sXYZA1010B') INSERT INTO str_matching VALUES('A1010B') INSERT INTO str_matching VALUES('AMZ103B15K') INSERT INTO str_matching VALUES('B15K') INSERT INTO str_matching VALUES('XC101') INSERT INTO str_matching VALUES('C101') INSERT INTO str_matching VALUES('502KMD1FZ10009L') INSERT INTO str_matching VALUES('FZ10009L') INSERT INTO str_matching VALUES('A9L') INSERT

问题 In my SQL Server 2008 R2, I have a database script which generates successfully, but when I am trying to execute that script it only shows Executing query message and nothing happen. I had waited at-least 10 minutes for result but force fully I have to stop executing that query. Note: All other queries are working normally, but only database script is not executing as explained above I don't know what's going on... More details: This thing is not happening on particular DataBase, it is a

问题 I am trying to do what the below pseuedo code infers: WHERE CASE WHEN @test <> '' THEN Agent = @test ELSE --no where clause END What is the correct structure for this? 回答1: use OR: select * from yourTable where @test = '' OR Agent = @test if @ test coming with null value (instead of '' ), you must use: select * from yourTable where @test is null OR Agent = @test 来源： https://stackoverflow.com/questions/11528875/if-variable-is-blank-then-no-where-clause

问题 Why is the use of SELECT * in production code considered bad practice? Is there any alternative for using in production, or do we need to SELECT every column in the table individually? 回答1: Using SELECT * is a bad practice for a few reasons, at least in the context of SSIS. Selecting all the columns, if you don't need all of them, is a waste of memory and memory is the magic that makes SSIS run fast (or not). Selecting all the columns, if you don't need all of them, will prevent SQL Server

问题 I have a pivot statement which produces what I need it to except I'd like a "total" row adding to the bottom. Can anyone shed any light please? SELECT TheProvider AS [PC], ISNULL([201204],0) AS [201204], ISNULL([201205],0) AS [201205], -- 2012/13 ISNULL([201206],0) AS [201206], -- 2012/13 ISNULL([201207],0) AS [201207], -- 2012/13 ISNULL([201208],0) AS [201208], -- 2012/13 ISNULL([201209],0) AS [201209], -- 2012/13 ISNULL([201210],0) AS [201210], -- 2012/13 ISNULL([201211],0) AS [201211], --

问题 For example we have date 5/4/2017 01:00:00 PM And we have working hours 08:00 to 17:30 in weekdays How should I calculate SLA Date and Time ? Date Assigned :5/4/2017 01:00:00 PM If SLA is 8 Hours from date assigned . The Expiry Date should be Like : 5/5/2017 11:30:00 AM by excluding weekends and non-business hours. 回答1: This is a much more complicated problem then I think you are giving it credit for. There are a number of days and times that will fall outside of working hours that you will

问题 jdbc:sqlserver://localhost:1433;Data Source=(local); Initial Catalog=MarketDataDB; User Id=andrew; Password=mypassword; Above is the connection string I am using to connect to a SQL Server 2008 R2 Express database using JDBC, but this error is produced: Login failed for user ' ' Any ideas? I can successfully connect to the database from within SQL Server Management Studio using the specified username and password. I am using SQL Server authentication 回答1: jdbc:sqlserver://localhost\

问题 I have a table of items which change status every few weeks. I want to look at an arbitrary day and figure out how many items were in each status. For example: tbl_ItemHistory ItemID StatusChangeDate StatusID Sample data: 1001, 1/1/2010, 1 1001, 4/5/2010, 2 1001, 6/15/2010, 4 1002, 4/1/2010, 1 1002, 6/1/2010, 3 ... So I need to figure out how many items were in each status for a given day. So on 5/1/2010, there was one item (1001) in status 2 and one item in status 1 (1002). I want to create