Can SQL-server Manage Databases With 50 Milion Row/tabel
Sep 24, 2001
I'm making a system to data acquisition (production) and need more (3) tabels with a heavy load of data.
3 tabels will contain approximately 20-50 milion rows. Every day I need to add 80000 rows to these tabels. Will I get problems with system-performance with such a configuration? Ofcourse the system will contain index in the database and 2 fast 1 Ghz intel CPU. I isn't possible for me to seperate or archive theese tabel, because of researc-functionality.
I am using SQL Server 2000. I am working on a project where there will be multiple databases on a single instance of SQL Server. Each database will have the exact same schema but will be accessed by different groups of users. What is the easiest way to sychronize changes between the databases, so that if I add a column to one database, it will be reflected in the other databases. If I add, remove, or alter a stored procedure, I want the change to be made in the other databases. I want the data in each database to remain isolated. In other words, I do not want replication of the data, only the schema of the databases. I would like to have a single "master" database that I use to make any schema changes and all the other databases be schema mirrors of this database each with their own data. I have looked into SQL Server replication, but this didn't seem to work the way I wanted and I wasn't able to publish column changes etc.
We have several read-only nodes in our AlwaysOn cluster, which are set to use Synchronous-commit mode, which ensures that the logs are updated on the read-only nodes before any update statements complete. Even with this option, if we query a read-only node before the logs have been processed, we can read old data. I would like to know a strategy to ensure that a read-only query will definitely return up to date information. I had an idea that if I just used a different transaction type, like Serializable, that it might block the read-only query from actually getting the data until after the log file was processed, but I have not tried it, yet.
I would like to move more queries to the read-only nodes, in an effort to offload CPU utilization from the primary node.
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Ik wil uit een tabel het gehele getal halen, de waarde staat als05612123 maar wanneer ik ditopvraag in bv. de Query Analyzer wordt de waarde gegeven als 5612123.De 0 welke ervoor staat wordtdus niet afgebeeld. De tabel in de kolom heeft als Data Type char, deLength staat op 10 en Allow Nulls staat aangevinkt. Wie kan mij helpen?Dank.
Hi, I'm fairly new to strored procedures. what I need to do is create a new row with an INSERT specifying value A as a param ( so far no problem ) and value B as a value from table2. Is this possible? Thanks for your help Raif
Hi Running on SQL Server2005 I have an tabel Match, TeamInGroup, Team, Group and Series.
Want following resutlt:
Tabell Lag S V O F TOTAL P Grupp A BK Örnen 2 2 0 0 30-10 4 Wåxnäs BC 3 2 0 1 35-25 4 BK Kaskad 2 1 0 1 20-20 2 BK Bågen 3 1 0 2 29-31 2 BK Glam 3 1 0 2 24-36 2 IFK Norrköping BF 3 1 0 2 22-38 2
Grupp B Uppsala BC 90 3 2 1 0 35-25 5 Ludvika BK 2 2 0 0 25-14 4 Sundbybergs IK F 3 1 1 1 34-26 3 LBK Hudik 3 1 0 2 23-36 2 Domnarvets BS 2 0 1 1 19-21 1 Örta IF 3 0 1 2 23-37 1
Grupp C Stureby BK 3 2 0 1 39-21 4 Tureberg IF 2 2 0 0 28-12 4 BK Stallis 3 2 0 1 28-31 4 BK Amiki 3 1 0 2 28-31 2 Djurgårdens IF 2 1 0 1 15-25 2 BK Brio 3 0 0 3 21-39 0
Tabel Match:
USE [Bowlingserier] GO /****** Object: Table [dbo].[Match] Script Date: 09/19/2007 17:25:21 ******/ SET ANSI_NULLS ON GO SET QUOTED_IDENTIFIER ON GO CREATE TABLE [dbo].[Match]( [MatchId] [int] NOT NULL, [Matchstart] [datetime] NULL, [LagIdHemma] [int] NOT NULL, [LagIdBorta] [int] NOT NULL, [Resultathemma] [int] NULL, [ResultatBorta] [int] NULL, CONSTRAINT [PK_Match_1] PRIMARY KEY CLUSTERED ( [MatchId] ASC )WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY] ) ON [PRIMARY]
GO ALTER TABLE [dbo].[Match] WITH CHECK ADD CONSTRAINT [FK_Match_Team] FOREIGN KEY([LagIdHemma]) REFERENCES [dbo].[Team] ([TeamId]) GO ALTER TABLE [dbo].[Match] CHECK CONSTRAINT [FK_Match_Team] GO ALTER TABLE [dbo].[Match] WITH CHECK ADD CONSTRAINT [FK_Match_TeamInGroup] FOREIGN KEY([LagIdHemma]) REFERENCES [dbo].[TeamInGroup] ([TeamId]) GO ALTER TABLE [dbo].[Match] CHECK CONSTRAINT [FK_Match_TeamInGroup]
Tabel Team:
USE [Bowlingserier] GO /****** Object: Table [dbo].[Team] Script Date: 09/19/2007 17:28:55 ******/ SET ANSI_NULLS ON GO SET QUOTED_IDENTIFIER ON GO SET ANSI_PADDING ON GO CREATE TABLE [dbo].[Team]( [TeamId] [int] NOT NULL, [Name] [varchar](20) NOT NULL, [GroupId] [int] IDENTITY(1,1) NOT NULL, CONSTRAINT [PK_Team] PRIMARY KEY CLUSTERED ( [TeamId] ASC )WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY] ) ON [PRIMARY]
GO SET ANSI_PADDING OFF
Tabel TeamInGroup:
USE [Bowlingserier] GO /****** Object: Table [dbo].[TeamInGroup] Script Date: 09/19/2007 17:27:46 ******/ SET ANSI_NULLS ON GO SET QUOTED_IDENTIFIER ON GO CREATE TABLE [dbo].[TeamInGroup]( [TeamId] [int] NOT NULL, [GroupID] [int] NOT NULL, CONSTRAINT [PK_TeamInGroup_1] PRIMARY KEY CLUSTERED ( [TeamId] ASC )WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY] ) ON [PRIMARY]
GO ALTER TABLE [dbo].[TeamInGroup] WITH CHECK ADD CONSTRAINT [FK_TeamInGroup_Grupp] FOREIGN KEY([GroupID]) REFERENCES [dbo].[Grupp] ([GroupId]) GO ALTER TABLE [dbo].[TeamInGroup] CHECK CONSTRAINT [FK_TeamInGroup_Grupp]
Tabel Group:
USE [Bowlingserier] GO /****** Object: Table [dbo].[Grupp] Script Date: 09/19/2007 17:29:35 ******/ SET ANSI_NULLS ON GO SET QUOTED_IDENTIFIER ON GO SET ANSI_PADDING ON GO CREATE TABLE [dbo].[Grupp]( [GroupId] [int] NOT NULL, [SeriesId] [int] NOT NULL, [Namn] [varchar](50) NULL, CONSTRAINT [PK_Grupp_1] PRIMARY KEY CLUSTERED ( [GroupId] ASC )WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY] ) ON [PRIMARY]
GO SET ANSI_PADDING OFF GO ALTER TABLE [dbo].[Grupp] WITH CHECK ADD CONSTRAINT [FK_Grupp_Serier] FOREIGN KEY([SeriesId]) REFERENCES [dbo].[Serier] ([SeriesId]) GO ALTER TABLE [dbo].[Grupp] CHECK CONSTRAINT [FK_Grupp_Serier]
Tabel Series
USE [Bowlingserier] GO /****** Object: Table [dbo].[Serier] Script Date: 09/19/2007 17:30:11 ******/ SET ANSI_NULLS ON GO SET QUOTED_IDENTIFIER ON GO CREATE TABLE [dbo].[Serier]( [SeriesId] [int] NOT NULL, CONSTRAINT [PK_Serier] PRIMARY KEY CLUSTERED ( [SeriesId] ASC )WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY] ) ON [PRIMARY]
This is what i dot so far:
SELECT tg.GroupID, t.Name, COUNT(m.ResultatHemma) AS S, CASE WHEN m.ResultatHemma - m.ResultatBorta > 0 THEN COUNT(m.ResultatHemma) ELSE 0 END AS V, CASE WHEN m.ResultatHemma - m.ResultatBorta = 0 THEN COUNT(m.ResultatHemma) ELSE 0 END AS O, CASE WHEN m.ResultatHemma - m.ResultatBorta < 0 THEN COUNT(m.ResultatHemma) ELSE 0 END AS F, SUM(m.ResultatHemma) AS Hemma, SUM(m.ResultatBorta) AS Borta, SUM(m.ResultatHemma - m.ResultatBorta) AS Diff,
CASE WHEN m.ResultatHemma - m.ResultatBorta = 0 THEN 1 ELSE CASE WHEN m.ResultatHemma - m.ResultatBorta > 0 THEN 2 ELSE 0 END END AS P FROM Match AS m INNER JOIN Team AS t ON m.LagIdHemma = t.TeamId INNER JOIN TeamInGroup AS tg ON m.LagIdHemma = tg.TeamId WHERE (m.MatchId = m.MatchId) AND (tg.GroupID = 2 OR tg.GroupID = 1 OR tg.GroupID = 3) GROUP BY t.Name, tg.GroupID, m.Resultathemma, m.Resultatborta ORDER BY P DESC, Diff DESC, S DESC
I can't figure out howto group by t.Name and team in Group A,B, and C
Team: TeamId Name GroupId ----------- -------------------- ----------- 30896 Sundbybergs IK F 2 31346 Turebergs IF 3 32186 Örta IF 2 33286 Domnarvets BS 2 33290 Ludvika BK 2 33407 BK Glam 1 33628 BK Amiki 3 33684 Stureby BK 3 33705 BK Brio 3 33722 BK Stallis 3 33737 Uppsala BC90 2 33744 BK Bågen 1 33768 Wåxnäs BC 1 33874 BK Kaskad 1 33894 BK Örnen 1 42031 LBK Hudik 2 43635 Djurgårdens IF 3 159120 IFK Norrköping 1
Group: GroupId SeriesId Namn ----------- ----------- -------------------------------------------------- 1 48967 Grupp A 2 48967 Grupp B 3 48967 Grupp C
(3 row(s) affected) And Serier: SeriesId ----------- 48967
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