SQL Server Admin 2014 :: Partitioning Master And 4 Child Tables
Jul 5, 2014
I have 6 tables which are very huge in row count and need to be partitioned for better manageability.
Little info: Every day, 300 Million records are inserted and 300 million records are deleted in below 7 tables. we maintain only 8 days worth of data in below tables which is the reason records which are older than 8 days are continuously deleted.
Master table which has [ID],[Timestamp]
Table Name: Sample - 2,578,106
Child tables: Foreign key [ID] is common for all the tables. There is no timestamp column in child table.
dbo.ConnectionDB - 1,147,578,048
dbo.ConnectionSS - 876,458,321
dbo.ConnectionRT - 118,133,857
dbo.ConnectionSample - 100,038,535
dbo.Command - 100,032,235
I would like to partition the above child tables based on the IDs that are inserted every 4 hours. Meaning, All IDs that are inserted in 4 hours window should be in a partition.
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Jun 15, 2015
in my environment I am running the SQL Server agent job.i am getting below message.
create a master key in the database or open a master key in the session before performing this operation” errorÂ
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Feb 4, 2015
I have a master table with after insert trigger on it.. When record is inserted into master table, the trigger fires and is captured in the backoffice table. In case the trigger fails, my record is neither in the master table nor in the back office table..
Is there anyway to capture the record either in the master table or in a separate table.
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Apr 21, 2015
USE <database>
select * from sys.database_files
and
select * from sys.master_files where database_id= <db id>
give me different size of memory optimized file in <database>
Microsoft SQL Server 2014 - 12.0.2456.0 (X64)
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Sep 9, 2015
I'm looking for a way to list the target servers associated with a master server. The reason is that we're moving to another master server, and I'd prefer not to move the targets manually.
I've got most of the T-SQL already (sp_msx_enlist, sp_add_jobserver), but I'd like a scripted solution instead of a wizard.
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Jul 5, 2014
I have 6 tables which are very huge in row count and records needs to deleted which are older than 8 days.
Little info: Every day, 300 Million records are inserted in below 7 tables. we should maintain only 8 days worth of data in below tables. How to implement Purge script which can delete records in all tables in the same time and with optimized parallelism.
Master table which has [ID],[Timestamp]
Table Name: Sample - 2,578,106
Child tables: Foreign key [ID] is common for all the tables. There is no timestamp column in child table. So the records needs to deleted based on Min(ID) from Sample
dbo.ConnectionDB - 1,147,578,048
dbo.ConnectionSS - 876,458,321
dbo.ConnectionRT - 118,133,857
dbo.ConnectionSample - 100,038,535
dbo.Command - 100,032,235
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Jul 23, 2014
I had to reinstall my local copy of SQL a few weeks ago, which naturally overwrote the
msdb.dbo.sysmanagement_shared_server_groups_internal and
msdb.dbo.sysmanagement_shared_registered_servers_internal tables.
However I still have the local XML file that SSMS reads so I can still access the groups, I just get weird errors when trying to re-register my install as the new CMS. How to rebuilt those tables from the XML file or know of a way to repopulate?
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Jan 24, 2015
We are in the middle of re-designing few tables (namely transaction tables) that would store very large data and would be hosted on cloud (Azure). The old design of this product breaks transaction tables into monthly tables. i.e. say ORDERS Table would be physically broke into twelve monthly tables over a year like ORDERS0115 (mmyy), ORDERS0215 and so on.
We are in the opinion that keeping the entire transactions in one Table is better. Would like to know what's the best practices for transaction tables like the one mentioned above? Is it better to use one table with partitions. I read somewhere that partitions can slow down SELECT queries if not designed and thought properly.Since this would be hosted on cloud (Azure), do you think some additional things are to be taken care? How a site like Amazon keeps their transactions tables?
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Nov 11, 2014
Is there a method of forcing existing tables into the in-memory filegroup so the table data can benefit from in-memory processing.
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Jul 1, 2015
I created columnstore index on the table with 20 columns and about 1000 000 000 rows
every day added about 5M rows
"select" queries became faster because of batch mode and table demand less disk space then before
I have also 6 similar tables with 5 000 000 000 rows and plan to move them on columnstore index
server has 128 G RAM
What pitfalls I could face if I will have so many columnstore indexes on one server?
How a could see problems in DMV?
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Dec 23, 2014
I'm working on databases where statistics of some indexes (tables) are changing too frequently. Once I update them manually, one minute after they get 10-20% change, and five minutes after they get over 100% change. Tables get updated very frequently (multiple times in a second).
When I run a query to read from sys.stats, sys.dm_db_stats_properties and other dynamic views, I see that they were last updated when I did it manually, but the change rate overpassed the 500+20% (tables have multiples of 10K rows). Auto create and update statistics are set to true on all databases, and I don't know why sql server does not do that automatically.
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Oct 26, 2015
We would like to import some tables from Microsoft azure data mart to our local database on the server of our premise for some purpose.
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May 26, 2008
Hi All,
In my DataFlow i have OleDBDataSource and OleDB Command. Using these i am inserting data to master and child tables.
In OleDBDataSource , i am inserting into master table and returning the ID of newly inserted rows. Next in the OleDB Command, i am inserting to child table using the ID returned from OleDBDataSource.
It is working fine. Now i want to put this in the Transaction so that if it fails to insert into child table, the changes made to the master table should be rolled back. I tried by giving Transaction Supported for dataflow. But does not looks like it works for me. Please suggest me the best approach for this.
Thanks in advance
DV
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Oct 2, 2014
I have the following setup:
- An MSSQL 2014 Standard server that houses multiple small databases (in excess of a hundred).
- These databases are frequently dropped and restored by an application that uses this SQL Server.
- There is a business need for this setup at this time, so I can't get away from it. Therefore answers like "don't have so many small databases that are frequently dropped and restored" would be somewhat unuseful
This is the problem I have:
- When I connect SSMS 2014 to the server and expand the "Databases" node, it takes forever to display. In comparison, SSMS 2008 connected to SQL 2008R2 server with the same number of databases displays the Databases tree very quickly.
I ran a trace to see what exactly SSMS 2014 is doing. When the "Databases" node is expanded, it runs a query that checks each database for Memory-Optimized Tables (new and wonderful feature of SQL 2014 for sure, but I'm not using it, at least yet). Naturally, when you have to loop through over a hundred DBs, it takes time. Worse yet, if one of these DBs is in process of being restored, the query sits and waits to time out before proceeding to the next DB. Sometimes this causes outright timeouts. Here is the query:
use [MyDatabase]
SELECT
ISNULL((select top 1 1 from sys.filegroups FG where FG.[type] = 'FX'), 0) AS [HasMemoryOptimizedObjects]
To be sure, this is NOT a SQL Server performance issue. This server processes a rather heavy workload and has been doing so for over a month, and the workload completes within expected time limits or better. Even so I've done some basic performance measuring, and the server itself is quite all right.
Moreover, if I connect SSMS 2008 to it, I get an error message (Index out of bounds or somesuch), but SSMS 2008 does connect, and displays the Databases tree much faster than SSMS 2014.
I'd like to turn off the option to check for Memory Optimized Objects altogether, as I'm not using the feature.
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Nov 6, 2015
As per attachment, i have been created replications but in local subscription it is not populated any thing at the same time, Subscription database has been created but tables is not populated as per publication table.
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Aug 27, 2015
I want to set up a database role so that users can use sp_readerrorlog through SSMS. It does a check on membership in the securityadmin role.
I have tested it and can see you can grant execute on xp_readerrorlog but the SSMS GUI uses sp_readerrorlog.
I thought I could create a user/certificate and add the signature to sp_readerrorlog but it's not permitted (likely because it's not a normal database object).
So the other solution is to add the users to the securityadmin role but then explicitly deny alter any login (best done with a custom server role in 2012+ but otherwise just manually in 2008). I tested this out and it works, I'm not able to alter any logins or increase my own permissions, I also did a check of what's reported from fn_my_permissions(null, null) and it shows minimal permissions like I'd expect.
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Aug 9, 2007
Hi
i have to delete the master table data without deleting the child table records,is there any solution for this, parent table has relation with the child table.
regards
vinod.t.v
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May 15, 2014
Displaying a list of parent and child objects in a certain way, here's the code to create and populate an example dataset.
CREATE TABLE OrgStructure
(orgunitID int,
OrgUnitName varchar (100),
ParentID int)INSERT INTO OrgStructure
VALUES
(1,'OrgUnit 1', 0), (2, 'OrgUnit 2', 0), (3, 'OrgUnit 3', 0),
[Code] ....
The 3 OrgUnits with no parentID in one column (parentOU), then any OrgUnits who's parentID matches the orgunitid of the 3 OrgUnits in ParentOU in the next column (Child OU1), followed by any OrgUnits who's parentID matched the orgunitID of the OrgUnits in 'Child OU1' would be in the third column (Child OU2)
The dataset I'm working on contains ~700 rows and the OrgUnitNames can be anything, they aren't labelled like the example dataset with 1.1.1 and so on.
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Sep 4, 2014
How to select parent and child with HierarchyID base on child attribute.
Here's my table :
CREATE TABLE #BOMTbl
(
ItemNo HIERARCHYID NOT NULL,
Lvl AS ItemNo.GetLevel() PERSISTED,
MatID VARCHAR(25) NULL,
CONSTRAINT PK_#BOMTbl PRIMARY KEY NONCLUSTERED(ItemNo)
[Code] ....
I wanna the result like this :
ItemNoItemIDLvlMatID
0x5AC0/1/1/2
0x5AD6/1/1/1/3MA-A
0x5ADA/1/1/2/3MA-A
0x5B40/1/2/2
0x5ADE/1/1/3/3MA-B
0x5B56/1/2/1/3MA-B
0x5B5A/1/2/2/3MA-B
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Feb 9, 2015
We have an existing BI/DW process that adds large chunks of data daily (~10M rows) to an existing table, as well as using Deletes to remove stale data. This scenario seems to beg for partitioning to support switching in/out data.
After lots of reading on this, I have figured out the mechanics of the switching, bit I still have some unknowns about the indexes needed to support this.
The table currently has several non-clustered indexes, including one on the partitioning column - let's call that column snapshotdate. Fortunately there are no FKs involved, and no constraints.
Most of the partitioning material I see focuses on creating a clustered PK to assist with switching. Not sure if this is actually necessary, but assume I create one using an Identity column (currently missing) plus snapshotdate.
For the other non-clustered, non-unique indexes, can I just add the snapshotdate to the end of the index? i.e. will that satisfy the switching requirement?
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Apr 14, 2015
I inherited a lot of Servers to upgrade to 2014 to include an SSRS Server.
The encryption Key was never backed up and it seems that no one knows what the password is?
Do I have to manually load the reports? There are a lot of Reports.
[URL]
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Sep 26, 2013
I want to use BCP to load data from a text file.
By default, constraints are turned off in bcp, so I use the CHECK_CONSTRAINTS hint.
bcp aborts if ANY of the rows contains a FK violation. No data get loaded.
So if I add the -b 1 batch size option, it loads all data UNTIL the first FK violation, but nothing after that.
I want to load EVERYTHING ... except for the violations. But bcp won't let me. Is there a way?
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Jan 13, 2014
If I install an instance with Windows Only authentication, and then change it to Mixed Mode, if I enable the sa login, the password has already been set. What is the default? If it's generated, how secure is it? Is the password generated? What algorithm is used for that?
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Mar 21, 2014
My sql databases in SQL Server 2014 has the status "suspend" as I saw in SQL Management Studio. I can't restore to serviceable condition sql databases through standard procedures. I need to restore .mdf file.
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Jun 18, 2014
I am using a monitoring system where I can monitor a numeric SQL result assuming the result is one field and one row.I would like to do this to say monitor the free available space or percentage on say the Master database. DBCC SQLPERF gives me a few columns and results for all databases on the server.
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Jun 25, 2014
In our environment applications are using a DNS name which points to the physical server ip address. Now we are planning to move to 2014. We are planning to have servers in different subnets so we will be having two ip adresses for listener. How we can point the DNS to the listener ips? If failover happens can the DNS point to the exact ip address of the listener where it's primary node?
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Jul 31, 2014
Is there a way to schedule a sql job to run at different intervals
For eg:
The job should run at
7:00 Am
8:00 AM
and then at 10:00 Am
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Nov 19, 2014
We installed the Sql 2014 in Test server.
We observed frequently
"Process 0:0:0 (0x1e10) Worker 0x00000006B6D341A0 appears to be non-yielding on Scheduler 13. Thread creation time: 12906028806348. Approx Thread CPU Used: kernel 0 ms, user 0 ms. Process Utilization 13%. System Idle 84%. Interval: 70189 ms."
Is it better to run the profiler or performan counter?
What are the filters we have to select in the profiler to monitor the Sql server
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Dec 8, 2014
I have a SQL server box running 2014 reporting services. I have another server running IIS v8.
I would like to be able to connect to the IIS site and be given the SSRS report browser.
So externally if I browse to [URL], I am presented with the report server interface, the same as if I browse to http://xxx.xxx.xxx.xxx/reports internally.
What are my options?
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Dec 11, 2014
What is the best approach for a read only copy of a database that is ~ 1TB. The primary database is fed nightly with an ETL process. We are currently trying to duplicate the ETL to read only server but that process is not going well. So we are looking at other options to let SQL make the copy.
The primary database is on a Win12R2 with SQL 12 or 14, a 2 node A/P failover cluster.
The read only copy will be on a Win12R2 with SQL 12 or 14. It is not a requirement to fail over to the read only copy if the primary should go down.
What would best the approach to accomplish the end result?
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Jan 12, 2015
I did not worked on AVG in sql 2012, what are the possible errors and how to resolve in always on in sql 2012 .
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Jan 18, 2015
I have 10 databases which are configured as principal in mirroring I need to failover all the databases as part of failover , instead of writing query each database as parner failover, is an script which will generate the databases as principal to failover ?
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Feb 18, 2015
How to check the delay in between replicas in AG?
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