SQL Server 2014 :: How To Systematically Manage Big List Of Queries And Tables
Sep 12, 2015
Suppose someone has to work on a lot of different SQL Server Databases which have got a lot of Tables and Queries / Views inside them.
After a period of time, it becomes very difficult to remember exactly what kind of columns are present within a given Table and View.
Any method by which one can keep a systematic list of all the Tables and Views that are present within a SQL Server Database, along with the columns that are present within them.
Are there any Add-on products or services etc. available in making this type of work systematic?
Currently I add comments to each queries inside SQL Server to remind me of what this query is doing, but this method is not great.
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Oct 29, 2007
I just started a new job and 1st time on sql server, how can i print list of queries, tables, views, stored procedures and functions?
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May 21, 2014
I have a dynamic SQL query that uses various indexes and views.
When a user wants to filter records based on last one day, last one week, last 30 days ...etc.. i use the following code:
@date is an integer.
begindate is datetime format.
begindate > cast(((select dateadd(d,@Date,GETDATE()))) as varchar(20))
The above code slows my query performance by at least 400%!
Would it be faster to add a computed column to my table, using the suggested method in the link below?
[URL] ....
Then i could add an indexed view to improve performance, or can this be done another way?
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May 14, 2014
I have the following:
(a) One Dynamic SQL Query that takes 37 ms when run as a single query or in an SP.
(b) Three SQL Indexed View queries that take 0 ms when run together.
When i add (a) + (b) in the same SP, i should get 37 ms + 0 ms = 37ms, but NO it takes 400 ms.
What is causing the extra 363 ms of latency.
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Jul 20, 2015
Currently i have set of queries which i run for data extraction and result pasted in Excel table so that my pivot table and Chart gets populated along with the summary in Excel file.
I would like to automate this thing and want to know if i can achieve excel output for dashboard on a click of button.
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Sep 22, 2015
create table #t1 (id int)
create table #t2 (id int)
insert into #t1 values (1)
insert into #t1 values (2)
insert into #t1 values (3)
insert into #t2 values (1)
insert into #t2 values (2)
Run the below quires, you will get 2 different outputs.Second is the desired output. I cant find reason for query1
-- Query1
select * from #t1 a left join #t2 b on a.id = b.id and b.id is null
-- Query1
select * from #t1 a left join #t2 b on a.id = b.id where b.id is null
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Mar 24, 2015
We are just looking to move to SSIS 2014 from 2008R2 however we have a number of packages which write to Sharepoint lists. The SHarepointDestination doesn't seem to work in VS 2013, any solution other than buying a third party connector.
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Aug 25, 2015
I had an existing table with lots of indexes.
As a test (fro speed) - I added a non clustered column-store index.
When I run test queries it always ignores my new column-store index. Why?
Should I remove the old indexes, leaving just the column store?
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Sep 19, 2015
I've been having some trouble getting a single-column "varchar(5)" field to reliably use a table seek instead of a table scan. The production table in this case contains 25 million rows. As impressive as it is to scan 25 million rows in 35 seconds, the query should run much faster.
Here's a partial table description:
CREATE TABLE [dbo].[Summaries_MO]
(
[SummaryId] [int] IDENTITY(1,1) NOT NULL,
[zipcode] [char](5) COLLATE Latin1_General_100_BIN2 NOT NULL,
[Golf] [bit] NULL,
[Homeowner] [bit] NULL,
[Code] .....
Typically, this table is accessed with a query that includes:
SELECT ...
FROM SummaryTable
WHERE ixZIP IN (SELECT ZipCode FROM @ZipCodesForMO)
This query insists on using a table scan. I've tried WITH (FORCESEEK) for example, but that just makes the query fail.
As I've investigated this issue I also tried:
SELECT * FROM Summaries WHERE ZipCode IN ('xxxxx', 'xxxxx', 'xxxxx')
When I run this query with 64 or fewer (actual, valid) ZIP codes, the query uses a table seek.But when I give it 65 or more ZIP codes it uses a table scan.
To summarize, the production query always uses a table scan, and when I specify 65 or more ZIP codes the query also uses a table scan. I'm wondering if the data type of the indexed column (Latin1_General_100_BIN2) is somehow the problem. I'll likely try converting the ZIP codes to an integer to see what happens.
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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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Jan 28, 2015
I have 2 tables:
tbl1: InstituteID, name
tbl2 ApplicantID, InstituteID ,Applicant_Name, address, city, state, status *
* Status field contains value A for acceptance or R for rejected
listing Institute names where more than half of applicants were accepted.
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Feb 24, 2015
I have the following 2 Query's - case when Table has no Identity Column and other with identity Column . I am planning to make it to single Query .
Query 1:
SELECT @ColumnNamesWhenNoIdentity = COALESCE(@ColumnNamesWhenNoIdentity + ',', '') + Name +'= SOURCE.'+Name
FROM sys.columns WITH(NOLOCK) WHERE object_id =
(
SELECT sys.objects.object_id
FROM sys.objects WITH(NOLOCK)
INNER JOIN sys.schemas WITH(NOLOCK) ON sys.objects.schema_id = sys.schemas.schema_id
WHERE sys.objects.TYPE = 'U' AND sys.objects.Name = 'Testing1' AND sys.schemas.Name ='dbo'
)
Query2:
SELECT @ColumnNamesWhenNoIdentity = COALESCE(@ColumnNamesWhenNoIdentity + ',', '') + Name +'= SOURCE.'+Name
FROM sys.columns WITH(NOLOCK) WHERE is_identity != 1 AND object_id =
(SELECT sys.objects.object_id FROM sys.objects WITH(NOLOCK)
INNER JOIN sys.schemas WITH(NOLOCK) ON sys.objects.schema_id = sys.schemas.schema_id
WHERE sys.objects.TYPE = 'U' AND sys.objects.Name = 'Testing2' AND sys.schemas.Name ='dbo'
)
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Jul 22, 2015
I'm trying to find out what tables are being used in a Database.
I don't want the last User but the User and the Dates.
I have a script that return the last user but that is not going to work.
The following script returns the last user but not all users and the Login Name:
ITH LastActivity (ObjectID, LastAction) AS
(
SELECT object_id AS TableName,
last_user_seek as LastAction
FROM sys.dm_db_index_usage_stats u
WHERE database_id = db_id(db_name())
[Code] .....
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Jan 10, 2015
Looking for query that lists all databases, in an instance, that are not accessed before a given date (e.g., not accessed before December 31, 2014)?
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Jul 7, 2014
I have a remote server with SQL server 2014 instance on it. There is nothing else running on the SQL Server box(dedicated SQL box). There is only one instance of SQL 2014 on the server. No other versions of SQL server are on the server.
Issue:
1. When I execute a query connecting to the SQL server instance through my local SSMS, the query executes in 30 secs.
2. When i connect to remote server through windows RDP session and execute the same query in the SSMS(on server), then query executes in 1 minute.
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Jan 12, 2004
Hi.
I am managing the SQL script files for constructing tables,views,and so on with Visual Source Sefe.
But once I run these scripts with a tool like Query Analyzer
for the database in SQL Server,
I do not know How to get the versions of the scripts which were installed now, with using Enterprise Manager or any tool associated with SQL Server2000.
Please tell me How are you managing and
know which version of scripts have been installed on database in SQL Server.
Sorry for my poor English.
Thanks for reading.
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Sep 12, 2005
Hmm, I'm wondering if some of you have figured out a way to check alarge database's DRI programmatically.The term, 'a large database' is a loose one, let's just say, at leastover 200 user tables. Yes, DBCC CHECKCONSTRAINTS is handy.However, it won't be able to tackle some hidden DRI problems. Forinstance, here you have two tables, totally fictionary! but possiblyin thereal world, Customer and Account (for demo purpose, I'll name them temptables here),the original designer probably meant to link them via customer_ID,however, he/she did not do it properly.-- DDL and DML-- one day at data lifecreate table #customer (customer_ID char(12) not null primary key,first_name varchar(20), last_name varchar(20), sex char(1), statechar(2), ssn char(11),check(Left(customer_id,2)=state AND Right(customer_id,4)=Right(ssn,4)))-- thanks Joe Ceilko for a more meaningufl PK ...insert into #customervalues('md-1234-1234','Dan','Li','M','VA','567-28-4321')create table #account (account_id int identity(10000,1) primary key,account_type varchar(10), amount money, last_update datetime,first_name varchar(20), last_name varchar(20))insert into #account (account_type, amount, last_update,first_name,last_name)values ('Receivable',3000.0000,getDate(),'Dan','Li')/* at least two problems herea) DRI is lost hereb) Instead of 'Dan' and 'Li', one could enter 'NosuchFN' and 'NosuchLN'-- another day at data life, don't ask me why they do that, I wouldlikely use ACTIVE flag to keep all datadeletefrom #customerwhere customer_id = 'md-1234-1234'-- now, boss ask why do we have this Dan Li in the #account table whilethere's no such corresponding record in the #customer table orwho the heck is this Dan Li anyway (give me more info about this guy?)?Well, if we have only a few or a dozen tables, it won't require tonsof effort to find data problem for the given situation (database),but again, let's say, this db has over 200 tables, checking them byhand would seem to be like doing things like Homo Sappiens, I don'tmeanto be lazy, so, how would you systematically at least programmaticallyidentify the DRI problems?Many thanks in advance to those clearer heads.DL
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May 23, 2002
Table structure: col1 IDENTITY (seed=1 increment=1) + few other columns (col2...col7) + one text column (col 8)
I have around 50,000,000 rows per day inserted in the table T1. At the end of the day 40,000,000 rows are deleted. I have to keep the records for 12 months and then archive it. Database is 24/7 web serving and there is no down time allowed. IDENTITY column will go out of range (overflow) after less than two years, unless the identity seed is reset to the start value (seed=1, increment=1).
At the end of 12th month data is archived in another table and only last month is kept in the table T1. So table T1 enters new year with data from last month of the previous year. There are few other tables that refer to this table by using there own field with values from T1.IDENTITY column (referential integrity is not enforced). Identity column in T1 is needed as a unique id for some search actions. Performance is an issue therefore bigint data type is used for this identity column rather than decimal.
Another problem I have is how to do table update on one column (1 mil rows to be updated out of 2 mil of rows) with the minimum impact on the users who are querying this table heavily. Not need to mention that it is web app 24/7 no down time.
Thank you in advance.
Goran
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Jul 22, 2004
I am running a vba procedure ( adp file ) that executes successively 5 stored procedures . however it happens that the execution breaks at the middle of the code thus giving a situation where only 2 tables among 5 are updated.
Is it any solution to rollback transactions update already done before
the code breaks due to error ?
I was thinking about combining all stored proc on a big one and use
Begin transaction - commit transaction and rollback transaction ... however i am not sure wheter updates involving several tables can be handled on one transaction.
Any advise highly appreciated !
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Jun 19, 2006
hi
i have a project and i want make thats;
1-)The list All SQL Server(s) in my network to dropdrown list(that's ok)
2-) the list all databases to selected sqlserver(that's ok)
3-) the list tables to selected database(i cant)
i wrote my source kod please help me
1-)
Dim mDMOApp As New SQLDMO.Application
Dim mNames As SQLDMO.NameList
Dim t As Integer
mDMOApp = New SQLDMO.Application
mNames = mDMOApp.ListAvailableSQLServers()
lstServers.Items.Clear()
For t = 1 To mNames.Count
lstServers.Items.Add(mNames.Item(t))
Next
2-)
Dim server As New SQLDMO.SQLServer
Dim db As SQLDMO.Database
server.Connect(mysqlserver, "xxx", "xxx")
For Each db In server.Databases
lst.Items.Add(db.Name)
Next
3)
how can i ???
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Jan 16, 2007
Hi ,
I need help regarding list of all sql server 2005 system tables
Satish
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May 12, 2014
I would like to create a auto relationship between tables.
Currently I am using Northwind DB with tables (Orders, OrderDetails, Customers)
Orders ( OrderId, Customerid)
OrderDetails(OrderId)
Customers(CustomerID)
Now, if the user wants to generate a relationship automatically based on SAME FIELD Names.
What is the approach?
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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 20, 2015
How to join 2 heap tables with out any common fields.
for example tbl1 has
col1
1
2
3
4
5
and tbl1 2 has
col2
a
b
c
I want the output like
col1 col2
1 a
2 b
3 c
4
5
is this possible with out using row_number()?
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Jan 20, 2015
Basically I've got two tables with a common column (in this case it's UserID)
The structure of the table Users is basically:
UserID FirstName LastName
1 Jim Smith
2 Nancy Orr
3 Ken Stephenson
And the structure of the classes table is
UserID ClassID
1 AAA
1 BBB
2 AAA
3 BBB
What I'd like to do is select the FirstName and LastName the users table who have a UserID in both Classes and Users.
The tricky part of it is that I only want to return the FirstName and LastName of userID who have multiple ClassID in the classes table. (hopefully I'm making sense when I explain this)
In this case I'd like it to return just Jim Smith's name because he's the only userID who has two ClassID entries.
So far I've come up with
select UserId, count(*) as MultipleClasses
from classes
group by UserID
having count(*) > 1;
which outputs the UserID and a colum called MultipleClasses with how many classes each ID returned has.
how would I do something like
Select firtname, lastname
from users
where Userid=
The output from that initial bit finding users with multiple classes.
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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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Feb 1, 2015
I have 3 Tables
TableA - TAID, Name, LastName
TableB - MaleFriendsName, MaleFriendsLastName [One to many]
TableC - FemaleFriendsName, FemaleFriendsLastName [one to many]
A query returns duplicate results from TableB as well as TableC
TableB and TableC have nothing in common and should not interfere with each other.
with TwoTables as (
select
a.QuickSpec as QuickSpecId,
[Code].....
Resultset returns duplicate values on TableB AND only for 1 record in the results [As per Lynn examples]
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Feb 18, 2015
I'm just beginning to experiment with memory optimised tables.
I have two sets of near identical tables - one set normal, the other set memory optimised with DURABILITY=SCHEMA_ONLY - and am running test queries against these. When I say that the two sets are "near identical", I mean that they are the same except for the primary keys: for the normal tables these are defined as PRIMARY KEY CLUSTERED whereas for the memory-optimed ones they are defined as PRIMARY KEY NONCLUSTERED HASH WITH (BUCKET_COUNT=nnnn) as per the requirements for such tables.
I then run a pair of test queries, again identical but one referencing the normal tables and the other referencing the memory optimised ones.
(The query uses an inner join on three tables with row counts of approx 3m rows, 100000 rows and 5000 rows.)
The query against the normal tables runs noticeably faster than that against the memory optimised ones. To try to find out why, I examined the execution plans. the plan for the memory optimised query suggests that I have a missing index: but of course I can't create this againsty a memory optimised table. Is this a bug or am I missing something? Why the performance between the two should be so different?
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Jun 18, 2015
I have two table in two different database. I have to found count for both table and put into other table.
example : Database --> A , table is T1
Database --> B , table is T2
I want count of both table and put into T3 table in database A or B .
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Jul 20, 2005
I changed from Access97 to AccessXP and I have immense performanceproblems.Details:- Access XP MDB with Jet 4.0 ( no ADP-Project )- Linked Tables to SQL-Server 2000 over ODBCI used the SQL Profile to watch the T-SQL-Command which Access ( whocreates the commands?) creates and noticed:1) some Jet-SQL commands with JOINS and Where-Statements aretranslated very well, using sp_prepexe and sp_execute, including thesimilar SQL-Statement as in JET.2) other Jet-SQL commands with JOINS and Where-Statements aretranslated very bad, because the Join wasn´t sent as a join, Accesscollects the data of the individual tables seperately.Access sends much to much data over the network, it is a disaster!3) in Access97 the same command was interpreted wellCould it be possible the Access uses a wrong protocol-stack, perhapsJet to OLEDB, OLEDB to ODBC, ODBC to SQL-Server orJet to ODBC, ODBC to OLEDB and OLEDB to SQL-Server instead ofJet to ODBC and ODBC direct to SQL-ServerDoes anyone knows anything about:- Command-Interpreter of JetODBC, Parameters, how to influence thecommand-interpreter- Protocol-Stack of a Jet4.0 / ODBC / SQL-Server applicationThanks , Andreas
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Jun 18, 2015
I have been giving the task of profiling databases and all the tables within it. Right now I'm collecting the following:
Null_Count
Null_Percentage
Total_Record_Count
I'm looking to capture Mean_value, Min_value, and Max_value and the unique_count.
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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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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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