SQL Server 2008 :: Table(s) Design For Messaging Functionality?
Jul 21, 2015
I'm in the process of building messaging functionality in to my application where by users can contact one another, look at it as a dating site, you click on someones profile, view their profile and then send that user a message.
I started to build the table which looked like this:
Id (PK) (Increments by 1)
ToUserId (FK) -- User who they're getting in contact with
FromUserId (FK) -- User who sent the message
Content (nvarchar(3000)) -- Message being send
Status (int) -- read / new / deleted / sent
EmailDate (datetime)
EmailDeleted (datetime)
But the problem with this setup is both user's maybe sending / replying to each other so I would have multiple entries / statuses in one table which may become a nightmare to manage / control.
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Jul 1, 2015
Currently, we are on SQL2008R2 EE SP1 CU13 across the board.
We are planning on upgrading the primary SQL server to SP3.
Question: Will transactional replication continue to work properly even if the Publisher is upgraded to SP3 but the subscribers remain at SP1 CU13 ?
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Feb 14, 2007
hey all you database guru's hopefully someone can lend some insight as to a little table design problem I have.
Basically I've got a system in place to authorize users to access a website typical username password stuff. The table contains a list of users and there passwords plus the auth level and a few other tid bits that aren't really important enough to into detail about them here. What I want to do is add a messaging system to this, I think I could probably figure out a way to do this half decent if I setup a seperate table for each user to add a row to the table for every message entry than in my asp.net code have it delete everything but the last 10 entries every time a user logs on. However I would much prefer a way that I didn't have to setup a whole new table for each user just for messaging purposes, maybe store something like a list in one of the database cell's kind of like .nets generic.list or better yet generic.queue, I would also like a way if it's possible without too much work to have the table automatically delete the oldest message every time a new message is received if there's already 10 messages existing for the user.
Anyways hopefully someone has some experience in setting up a system like this, I don't really require any code samples I can code it all myself (other than the database code to automatically remove entry's, I'm not a database guy) if someone could just explain a way to accomplish what I'm trying to do, or if someone has a different more convenient way of doing this I would be up for suggestions
Thanks in advance for any help offered, I do appreciate it
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Mar 3, 2005
Hello All,
Does anyone know if it is possible to send a text message to a phone number via a DTS package or job within SQL Server. For instance, if a job fails a text message is sent to a user.
Thanks, Gary
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Dec 22, 2000
Hi
I have Outlook 2000 and SQL 7 .. do I need Window NT Messaging and Exchange Server to configure a profile for the mail to work ???
thanks in advance for the answer
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Jul 24, 2015
I'm inserting from TempAccrual to VacationAccrual . It works nicely, however if I run this script again it will insert the same values again in VacationAccrual. How do I block that? IF there is a small change in one of the column in TempAccrual then allow insert. Here is my query
INSERT INTO vacationaccrual
(empno,
accrued_vacation,
accrued_sick_effective_date,
accrued_sick,
import_date)
[Code] ....
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Feb 26, 2007
What is the best approach to utilize a recursive CTE (Common Table Expression) to filter a resultset? The CTE function is used in all application queries to limit recursively the final resultset based on a provided hierarchical organization identifier. i.e. join from some point in the organization chart on down based on an organization id. I would prefer that the query could be run real-time. i.e. not having to persist the prediction portion of the results to a sql relational table and then limiting the persisted results based on the CTE function.
It appears that I can use a linked server to access the prediction queries directly from SQL Server (link below). I believe that I might also be able to deploy a CTE recursive function within a .net assembly to the Analysis Server but I doubt that recursive functionality is availalble without a linked SQL Server.
Executing prediction queries from the relational server
http://www.sqlserverdatamining.com/DMCommunity/TipsNTricks/3914.aspx
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Oct 23, 2000
Need Some Help. I'm new to SQL Server 7.0., and I'm wondering if the application can do what I need it to do. I've got a stand alone third party program that updates a SQL 7.0 DB, and what I need is: When an update happens, is there any way to 'let another program know' that an update has occured and what the data is? I would hate to have to write an SQL clause to constantly 'poll' the DB looking for an update, this seems silly. Simply I need some way to know if table X has been updated, and what was the update? Any help would be greatly apprec... KT
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Oct 23, 2000
Trigger seems to work fine, however, the Online Books state you can find out what data was actually modified when the trigger fired, but I can't seem to find out how to do it. Any Ideas Apprec.. Thanks.. KT
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Apr 10, 2015
I created am inventory table with few columns say, Servername, version, patching details, etc
I want a tracking of the table.
Let's say people are asked to modify the base table and I want a complete capture of the details modified and the session of the user ( ) who (system_user) is actually modifying the details.
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Feb 23, 2015
I am trying to insert bulk data into main table from staging table in sql server 2012. If any error comes, this total activity is rollbacked. I don't want that to happen. I want to know the records where ever the problem persists, and the rest has to be inserted.
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Apr 24, 2015
I would like to create a table valued function that fetch through the table below using a cursor and return the records that are unique
EmpidChDateSiteuseridinitsal finsalNote
-------------------------------------------- ----------
236102015-4-21 22:02:10.8072570 0.696176161 change inisal value
236112015-4-21 22:02:11.0502570 0.696176161change inisal value
236122015-4-21 22:02:11.1202570 0.696176161 change inisal value
236132015-4-21 22:02:11.2452570 0.696176161change inisal value
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Mar 13, 2015
Here is the sample data for table.
create table #sample (emp varchar(max),data1 varchar(max),data2 varchar(max), Rdate date)
insert into #sample (emp,data1,data2,rdate)
values('john','','',getdate())
insert into #sample (emp,data1,data2,rdate)
values('tony','','',getdate())
[Code] ...
I need to update the data1, data2 from yesterday or before but they should be non blank and non null and update to todays data.
It means, I can't update to 2015-03-12 values to 2015-03-13, as they are blanks or nulls.
So I need to go 2015-03-11 and check the values, if they are not blank , i need to update with todays values.
Before the update :
empdata1data2Rdate
john3/13/2015
tony3/13/2015
john3/12/2015
tony3/12/2015
johncd3/11/2015
tonyab3/11/2015
After the update:
empdata1data2Rdate
johncd3/13/2015
tonyab3/13/2015
john3/12/2015
tony3/12/2015
johncd3/11/2015
tonyab3/11/2015
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May 26, 2015
which ALTER TABLE/ALTER COLUMN- Statement has a Recreate Table as result ?
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Sep 16, 2015
I have a scenario where I have to Update a table with date when there are new records in another table
For example:
I load ODS table with the data from a file in SSIS. the file has CustomerID and other columns.
Now, when there is new record for any customerID in Ods, then Update the dbo table with the most recent record for every CustomerID(i.e. update the date column in dbo for that customerID). Also Include an Identifier that relates back to the ODS table. How do I do this?
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Dec 2, 2006
Hi All, i am trying to host the system.messaging.dll in SQL Server. I get the usual warnings about not being fully trusted. I am prepared for MS not supporting. But, when i execute my trigger (which writes to message queue), the trigger fails with an exception of 'That assembly does not allow partially trusted callers'. So. is there no way for me to write to MSMQ using triggers? Do i have to rethink my strategy?
imports System.Messaging
Dim msmq As MessageQueue = MessageQueue.Create(".TestQueue", False)
msmq.Send("Test")
Thanks for the help
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May 18, 2015
I have two table 'Cal_date' and 'RPT_Invoice_Shipped'.Table cal_data has column month_no, start_date and end_date. And table RPT_Invoice_Shipped has columns Day_No, Date, Div_code, Total_Invoiced, Shipped_Value, Line_Shipped, Unit_Shipped, Transaction_Date.
I am using below insert statment to insert data in RPT_Invoice_Shipped table.
insert into [Global_Report_Staging].[dbo].[RPT_Invoice_Shipped]
(Day_No, Date, Div_code, Total_Invoiced, Transaction_Date)
select , CONVERT(DATE,Getdate()) as Date, LTRIM(RTRIM(div_Code)),
sum(tot_Net_Amt) as Total_Invoiced, (dateadd(day, -1, convert(date, getdate())))
from [Global_Report_Staging].[dbo].[STG_Shipped_Invoiced]
WHERE CONVERT(DATE,Created_date )=CONVERT(DATE,Getdate())
group by div_code
while inserting in column Day_No in RPT_Invoice_Shipped table, I have to use formula (Transaction_Date-start_date+1) where Transaction_Date from STG_Shipped_Invoiced and start_date from Cal_date table. I was using datepart (mm, Transaction_Date) so it gives month_no, and this month_no we can join with month_no of Cal_date table and fetch start_date from Cal_date table, so that we can use start_date for formula (Transaction_Date-start_date+1).
But I am getting difficulty to arrange this in above query. how to achieve this?
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Jun 9, 2015
I am trying to replicated table A into table B withing the same server and the same database.
I am getting an error message when trying to configure the subscription: You have selected the Publisher as a Subscriber and entered a subscription database that is the same as the publishing database. Select another subscription database.
Is there any workaround for this?
I am using SQL Server 2008 R2.
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Jul 20, 2005
I need to develop an internal messaging sub-system that is similar toa web mail application but without SMTP support (e.g message routesare confined to the webapp domain). The requirements are rathersimple: Each user (e.g mailbox) can view incoming messages and hisoutgoing messages. Message quota is defined as the sum of all incomingand outgoing messages per userand tracked in the users' row (Users table – log_TotalMessages). Thequota is enforced by the business logic layer and not by the DB.I am considering the following data model for the storage component,and would appreciate community feedback:Table layout for incoming and outgoing messages************************************************CREATE TABLE [dbo].[Messages] ([MessageID] [int] IDENTITY (1, 1) NOT NULL , // The messageID[RecipientID] [int] NOT NULL , // The userid ('Users'Table)[SenderID] [int] NOT NULL , // The userid ('Users'Table)[GroupID] [uniqueidentifier] NULL , // Only assigned if theuser "replyed" to an incoming message[SubmitDate] [smalldatetime] NOT NULL , // the date of themessage[DeleteBySender] [bit] NOT NULL , // Since I want to maintain onlyone copy of each message I mark a message "to be deleted" and deleteonly if both are true.[DeleteByRecipient] [bit] NOT NULL ,[SeenByRecipient] [bit] NOT NULL , // Used to "highlight" unreadmessages[Subject] [tinyint] NOT NULL , // Subject is derived from a fixedlist[MessageText] [varchar] (2000) COLLATE SQL_Latin1_General_CP1_CI_ASNOT NULL) ON [PRIMARY]CREATE INDEX [Messages_RecipientID_IDX] ON[dbo].[Messages]([RecipientID]) ON [PRIMARY]CREATE INDEX [Messages_SenderID_IDX] ON [dbo].[Messages]([SenderID])ON [PRIMARY]/* Send Message */CREATE PROCEDURE SendMessage (@IN_RecipientID int,@IN_SenderID int,@IN_GroupID uniqueidentifier,@IN_Subject tinyint,@IN_MessageText varchar(2000),@OUT_ERRCODE tinyint OUTPUT)ASBEGIN TRANSACTION SendMessageTransINSERT INTO Messages(RecipientID,SenderID,GroupID,SubmitDate,Subject,MessageText)VALUES (@IN_RecipientID,@IN_SenderID,@IN_GroupID,GETDate(),@IN_Subject,@IN_MessageText)UPDATE UsersSET log_NumberOfNewMessages = log_NumberOfNewMessages + 1WHERE usr_AccountNo = @IN_RecipientIDUPDATE UsersSET log_TotalMessages = log_TotalMessages + 1WHERE usr_AccountNo = @IN_SenderIDSAVE TRANSACTION SendMessageTransSET @OUT_ERRCODE = @@errorIF (@@error <> 0)BEGINROLLBACK TRANSACTION SendMessageTransENDELSEBEGINCOMMIT TRANSACTION SendMessageTransEND/* ReadMessage */CREATE PROCEDURE ReadMessage (@IN_MessageID int,@IN_RecipientID int,@OUT_ERRCODE tinyint OUTPUT)ASBEGIN TRANSACTION ReadMessageTransSELECT MessageText FROM Messages WHERE MessageID = @IN_MessageIDUPDATE Messages SET SeenByRecipient = 1 WHERE MessageID =@IN_MessageIDUPDATE Users SET log_NumberOfNewMessages =log_NumberOfNewMessages - 1 WHERE usr_AccountNo = @IN_RecipientIDSAVE TRANSACTION ReadMessageTransSET @OUT_ERRCODE = @@errorIF (@@error <> 0)BEGINROLLBACK TRANSACTION ReadMessageTransENDELSEBEGINCOMMIT TRANSACTION ReadMessageTransEND/* Delete Message */CREATE PROCEDURE DeleteMessage (@IN_MessageID int,@IN_DeleteIncomingMessage bit,@IN_DeleteOutgoingMessage bit,@OUT_ERRCODE tinyint OUTPUT)ASBEGIN TRANSACTION DeleteMessageTransDECLARE @Recipient intDECLARE @Sender intSET @Recipient = (SELECT RecipientID FROM Messages WHERE MessageID =@IN_MessageID)SET @Sender = (SELECT SenderID FROM Messages WHERE MessageID =@IN_MessageID)IF (@IN_DeleteIncomingMessage = 1)BEGINIF((SELECT DeleteBySender FROM Messages WHERE MessageID =@IN_MessageID) = 1)BEGINDELETE FROM Messages WHERE MessageID = @IN_MessageIDUPDATE Users SET log_TotalMessages = log_TotalMessages - 1WHERE usr_AccountNo = @RecipientENDELSEBEGINUPDATE Messages SET DeleteByRecipient = 1 WHERE MessageID =@IN_MessageIDUPDATE Users SET log_TotalMessages = log_TotalMessages - 1WHERE usr_AccountNo = @RecipientENDENDIF (@IN_DeleteOutgoingMessage = 1)BEGINIF((SELECT DeleteByRecipient FROM Messages WHERE MessageID =@IN_MessageID) = 1)BEGINDELETE FROM Messages WHERE MessageID = @IN_MessageIDUPDATE Users SET log_TotalMessages = log_TotalMessages - 1WHERE usr_AccountNo = @SenderENDELSEBEGINUPDATE Messages SET DeleteBySender = 1 WHERE MessageID =@IN_MessageIDUPDATE Users SET log_TotalMessages = log_TotalMessages - 1WHERE usr_AccountNo = @SenderENDENDSAVE TRANSACTION DeleteMessageTransSET @OUT_ERRCODE = @@errorIF (@@error <> 0)BEGINROLLBACK TRANSACTION DeleteMessageTransENDELSEBEGINCOMMIT TRANSACTION DeleteMessageTransEND/* ListIncomingMessages */CREATE PROCEDURE ListIncomingMessages (@IN_RecipientID int)ASSELECT SenderID, MessageID, SubmitDate FROM Messages WHERE RecipientID= @IN_RecipientID AND DeleteByRecipient = 0 ORDER BY SubmitDate DESC/* ListOutgoingMessages */CREATE PROCEDURE ListOutgoingMessages (@IN_SenderID int)ASSELECT RecipientID, MessageID, SubmitDate FROM Messages WHERE SenderID= @IN_SenderID AND DeleteBySender = 0 ORDER BY SubmitDate DESCThanks in advance!-Itai
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Jul 20, 2005
I'm trying to do a simple alteration to the table design of one of ourSQL 2k tables, simply changing an identity row so that its not 'notfor replication', and its taking absolutely ages to do so, and stopsthe sql server from working.Whilst it's attempting the update, no one can access the database, thesqlservr.exe memory usage shoots up and enterprise manager reports anot responding status. Eventually after about 10 minutes, it bombs outreporting,Unable to modify tableCould not allocate space for object 'Tmp_TableName' in database'DBNAME' because the 'PRIMARY' filegroup is full.The table i'm attempting to change has only about 4000 records sothere's not a huge amount of data.Any ideas what's causing this and how i can get around it?A similar thing happens when i attempt to change the length of avarchar too.Thanks in advance for any suggestionsDan Williams.
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Nov 9, 2015
I am trying to join two table from two different databases.
Database 1 = Agent and Table = StatsÂ
Database 2 = Amount and Table = SalesÂ
The common field is Expr1 (table1) and Initials (table2)
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Aug 18, 2015
I would like to create a table called product. My objective is to get list of packages available for each product in data grid view column while selecting each product. Each product may have different packages type (eg:- Nos, CTN, OTR etc). Some product may have two packages and some for 3 packages etc. Quantity in each packages also may be differ ( for eg:- for some CTN may contain 12 nos or in other case 8 nos etc). Prices for each packages also will be different that also need to show. Â How to design the table..Â
Product name  : Â
Nestle milk |
Rainbow milk
packages  :
CTN,OTR, NOs |
CTN, NOs
Price:
50,20,5 |
40,6
(Remarks for your reference):CTN=10nos, OTR=4 nos Â
| CTN=8 Nos
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May 18, 1999
see article: Article ID: Q216700 .
Within a trigger on SQL Server 6.5 Service Pack 5 or 5a, the IF UPDATE clause will evaluate to true for all columns when an INSERT is performed, even if there is no value specified and no default value exists for the column
http://support.microsoft.com/support/kb/articles/q216/7/00.asp
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May 15, 2015
have done inserting into files using BCP ,but is it really possible to bcp data from one table to another?
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May 8, 2015
I would like to be able to combine the functionality of IN and LIKE in a WHERE clause. Although the simple AdventureWorks2012 example below illustrates the concept with 3 search criteria, the real-world example I need to apply the concept to has a couple dozen. This returns 50 rows, but requires multiple OR ... LIKE functions:
SELECT DISTINCT c.Name
FROM Sales.Store c
WHERE c.Name LIKE '% sports %'
OR c.Name LIKE '% exercise %'
OR c.Name LIKE '%toy%'
What I would like to do is something like this, which doesn't work:
SELECT DISTINCT c.Name
FROM Sales.Store c
WHERE c.Name IN(LIKE '% sports %', LIKE '% exercise %', LIKE '%toy%')
I could load up a cursor and loop through it, but the syntax is more cumbersome than the multiple LIKE statements, not to mention most SQL programmers are horrified at the mention of the abominable word 'cursor' for performance reasons.
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Jun 23, 2015
I have a situation where a person, who created our DW, likes to go in and change table name. This person had no prior SQL xp and is at a higher level then me in the company. I need to know whenever somebody changes a table name I get notified, with the old table name and the new table name. This can be either set on the server level or the DB level. I would like to use the policy management but cant find the way to do it.
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Sep 11, 2015
I am working on SQL SERVER schemas using a plug-in in SQL developer itself now my requirement is to generate DDL for a table which is part of SQL SERVER schema...
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Oct 15, 2015
I have few queries.
1. Is there any way to get the Table Row Count if we are not maintaining the count.
2. This is for Update statistics
a. Should we run update statistics in our database for all the tables? The database is highly transactional.
b. How should i calculate the sample size that will suite for all the tables.
There are some tables which gets reindex, this we will ignore. We have a job, which reorganise some tables. Now the decision need to be taken what table should we update statistics to:
1. The table which has been reorganised
2. Table which has its statistics outdated.
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Feb 18, 2015
Production and development servers are on different domains and they do not trust each other. How do I import data from the table t1 from a database db1 in production and load it into table t1 inside database db1 in development?
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Jul 3, 2015
I have an sql server table which serves as a criteria table for my sql server query.
i wish to update the sql server table from the excel worksheet. The intention is to allow the end user to change the values in a specific column in the sql server table via excel.
The table in question has the following fields
SELECT
[Cluster]
,[Max_Break_btw]
,[RefD_Max_Break]
,[DischD_Max_Break]
,[MaxReviewPeriods]
FROM [databseName].[dbo].[SpellClusterAssum]
I will like to change / update the values in the "[Max_Break_btw]" column.
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Jun 25, 2007
I have a webpage that displays 4000 or more records in a GridView control powered by a SqlDataSource. It's very slow. I'm reading the following article on custom paging: http://aspnet.4guysfromrolla.com/articles/031506-1.aspx. This article uses an ObjectDataSource, and some functionality new to Sql Server 2005 to implement custom paging.There is a stored procedure called GetEmployeesSubestByDepartmentIDSorted that looks like this:ALTER PROCEDURE dbo.GetEmployeesSubsetByDepartmentIDSorted( @DepartmentID int, @sortExpression nvarchar(50), @startRowIndex int, @maximumRows int)AS IF @DepartmentID IS NULL -- If @DepartmentID is null, then we want to get all employees EXEC dbo.GetEmployeesSubsetSorted @sortExpression, @startRowIndex, @maximumRows ELSE BEGIN -- Otherwise we want to get just those employees in the specified department IF LEN(@sortExpression) = 0 SET @sortExpression = 'EmployeeID' -- Since @startRowIndex is zero-based in the data Web control, but one-based w/ROW_NUMBER(), increment SET @startRowIndex = @startRowIndex + 1 -- Issue query DECLARE @sql nvarchar(4000) SET @sql = 'SELECT EmployeeID, LastName, FirstName, DepartmentID, Salary, HireDate, DepartmentName FROM (SELECT EmployeeID, LastName, FirstName, e.DepartmentID, Salary, HireDate, d.Name as DepartmentName, ROW_NUMBER() OVER(ORDER BY ' + @sortExpression + ') as RowNum FROM Employees e INNER JOIN Departments d ON e.DepartmentID = d.DepartmentID WHERE e.DepartmentID = ' + CONVERT(nvarchar(10), @DepartmentID) + ' ) as EmpInfo WHERE RowNum BETWEEN ' + CONVERT(nvarchar(10), @startRowIndex) + ' AND (' + CONVERT(nvarchar(10), @startRowIndex) + ' + ' + CONVERT(nvarchar(10), @maximumRows) + ') - 1' -- Execute the SQL query EXEC sp_executesql @sql ENDThe part that's bold is the part I don't understand. Can someone shed some light on this for me? What is this doing and why?Diane
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Dec 31, 2011
I have a table that contains records of transactions with ID column is primary key
I use partition follow ID column, each partition have 1 million records.
CREATE PARTITION FUNCTION [pfTBLTRANS_ID](int) AS RANGE LEFT FOR VALUES (1000000, 2000000, 3000000, 4000000, 5000000, 6000000, 7000000, 8000000, 9000000, 10000000)
CREATE PARTITION SCHEME [psTBLTRANS_ID] AS PARTITION [pfTBLTRANS_ID] TO ([GROUP01], [GROUP02], [GROUP03], [GROUP04], [GROUP05], [GROUP06], [GROUP07], [GROUP08], [GROUP09], [GROUP10], [GROUP11])
But now I have more records with IDs that are greater than 11.000.000. So how can I add more partitions to this table ?
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Feb 4, 2015
I have a table like below,
CREATE TABLE Student
(
Id BIGINT not null
,Name NCHAR(20) not Null
,Branch NVARCHAR (64) null
)
The table contains : 100000 rows .
1)Number of rows in a data page
2)Total number of pages required for the table
3)Total Table size in KB or MB
4)Total file size in Kb or MB
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