Questions tagged [query]
The query tag has no usage guidance.
196
questions
46
votes
4
answers
65k
views
How do I remove a specific bad plan from the SQL Server query cache?
We have one particular SQL Server 2008 query (not a stored proc, but the same SQL string -- executes every 5 minutes) that intermittently caches a very bad query plan.
This query normally runs in a ...
- 13.2k
44
votes
3
answers
63k
views
Why multiple PTR records in DNS is not recommended?
I often read that using multiple PTR records in a DNS configuration is not recommended.
However, the reasons are often vague, or not so obvious, naming:
"it can cause problems",
"can ...
- 2,966
28
votes
3
answers
59k
views
AWS CLI Command Line: How to use "--query" to output multiple source lines
I am using aws-cli version 1.7.8 to get the --query output to create one record that is derived from multiple lines.
In this case I am trying to get specific information from describe-instances.
In ...
- 281
27
votes
18
answers
78k
views
Are there any good and lightweight LDAP querying tools? [closed]
As developers we sometimes need querying LDAP. Do you know useful tools for this task?
edit: I don't mean in code, I mean utility/tool (command-line or gui, mostly gui) for just to look/confirm data, ...
- 373
20
votes
11
answers
159k
views
Command line active directory query email address for username
On Windows XP in an Active directory environment - what is the easiest way for me to query a user's email address from AD given their username on the command line.
(Assuming I know where it is kept ...
- 2,709
19
votes
5
answers
57k
views
How to automatically kill slow MySQL queries after N seconds?
I am looking for a well tested bash script (or alternative solution) to do so, in order to avoid max_connection to be exhausted. I know that it is fighting the symptoms, but really need such script as ...
- 3,137
13
votes
3
answers
70k
views
bind would not work unless allow-query is "any"
I have this in /etc/named.conf, I commented the default values and set my own under it.
My domain would not load in browser unless I set allow-query to "any", is this OK, what should I edit? If is ...
- 1,139
12
votes
4
answers
48k
views
DNS searching with wildcards?
Anything like nslookup or dig offer the ability to search based on something contained in the name ... like a wildcard search or something?
I'm trying to make a little script with a GUI wrapper for ...
- 1,152
10
votes
1
answer
159k
views
How to use WMIC to connect to remote machine and output OS information to a file?
I want to know how to use WMIC to connect to remote host and output their PC's OS information(Installed programs list) to a file.
I tried
wmic /node: <IP address> OS get vendor, name > c:\...
- 111
10
votes
4
answers
44k
views
Why are my MongoDB queries really, really slow?
I've inherited a large MongoDB server at work, and have been tasked with figuring out why queries run against it are so slow. The DB contains tons and tons of records (on the order of 10^9) and takes ...
- 201
7
votes
1
answer
29k
views
openldap sizelimit. Can't receive more than 500 entries
I can't receive more than 500 entries, when I query my openldap-server.
Although I made the following changes:
slapd.conf
# This is the main slapd configuration file. See slapd.conf(5) for more
...
- 73
7
votes
1
answer
692
views
BIND - increase in outgoing NS queries after upgrade to CentOS 6.7?
After upgrading BIND to 9.8.2rc1-RedHat-9.8.2-0.37.rc1.el6_7.2 in a few caching nameservers I've noticed it's doing lots of outgoing NS queries, without changes to incoming traffic volume or patterns.
...
- 999
6
votes
1
answer
7k
views
PostgreSQL raw query vs "Function returns TABLE" - insane difference in performance. Why?
I work with the PostgreSQL and it is used for reporting. The way it is configured currently is as follows:
There is a complex query which returns report data, like this:
select Column1 as Name1, ...
- 213
6
votes
2
answers
7k
views
best practice for fixing mysql slow query log error 13
CentOS 5.5
MySQL 5.5 installed via a yum repository
[ERROR] Could not use /var/log/mysqld.slow.log for logging (error 13). Turning logging off for the whole duration of the MySQL server process. To ...
- 143
5
votes
1
answer
8k
views
MySQL slow query log logging all queries
We have a MySQL 5.1.52 Percona Server 11.6 instance that suddenly started logging every single query to the slow query log. The long_query_time configuration is set to 1, yet, suddenly we're seeing ...
- 155
5
votes
3
answers
30k
views
Event Log > Filter Current Log > XML > where EventData contains text
I'm trying to search through the windows event log for anything where the event data contains the string TCP Provider, error: 0 as part of a longer error message. To do this I created the code below:
...
- 1,278
5
votes
2
answers
890
views
Effects of internet connection speeds on server queries
Can my internet connection significantly effect queries run on phpmyadmin? I am currently 18 down and 30 up. I switched internet connections today and noticed a deep drop in query performance.
The ...
- 159
4
votes
3
answers
7k
views
Importing a large SQL script into SQL Server?
I'm trying to move a database from our production server to our test server. I've used Microsoft's Database Publishing Wizard to create a script containing the schema and data for the production ...
- 773
4
votes
1
answer
1k
views
How to make BIND behave differently depending on query source?
How would one make BIND behave differently depending on the source IP address? For example, I want to use different forwarding DNS servers for different people on my network.
- 185
4
votes
5
answers
24k
views
Query DNS for multiple domains at once
I have recently moved servers and want to query all of the accounts domains on the new server to check that they are all resolving to the correct NS.
I am currently using http://www.whatsmydns.net/#...
- 41
4
votes
2
answers
2k
views
What is the most efficient way to add a lot of data to a mysql database?
I have a batch of data that needs to be added to a mysql database every day consisting of about 100K queries.
START TRANSACTION;
INSERT IGNORE INTO info (Created, Modified, MType, Pform, Name, ...
- 43
4
votes
2
answers
5k
views
Estimating MySQL Query Runtime
I ran a MySQL query from command line using the following:
nohup mysql --user=root --password=XXXXXXXXX database < report.sql > results.tab
This query is extensive (5000 lines) and running a ...
- 239
4
votes
1
answer
5k
views
SCCM query for cluster (virtual) name
I'm trying to determine if the cluster name is stored in SCCM audit data. I see the host name in [v_R_System], and I'm able to identify cluster nodes here. What I need is the virtual name for the ...
- 93
4
votes
1
answer
1k
views
SQL Azure insert query ten times slower on V12 than V11?
I noticed performance degradation about two weeks ago impacting one of our applications with an SQL Azure backend. It's running on V12 on tier S1 90% of the time, sometimes scaling to S2, S3 or P1.
...
- 51
3
votes
3
answers
5k
views
Can IP tables allow specific DNS queries based on domain name?
I have iptables blocking all UDP traffic at the moment, however I want to allow only certain DNS queries to get through.
Let's use google.com as an example.
I am trying to use string matching to ...
- 31
3
votes
1
answer
6k
views
Update InfluxDB measurement names
Is there a way to update existing measurement names in an InfluxDB? When my system was originally set up we used measurement names like "CheckCPU" or "CheckLOAD" and have changed to all lower case ...
- 33
3
votes
2
answers
5k
views
how solve Recursive Queries error in intodns web site?
Please see the below link :
intoDNS Web Site
How can I solve Recursive Queries error!
the entire error is below :
Recursive Queries I could use the nameservers listed below to
performe ...
- 290
3
votes
2
answers
7k
views
Zabbix - Populate Item with SQL Server Query
I'm trying to track a process that locks up regularly. It's a funky program that we have no control over. I'm trying to find a good way to track when the program stops responding.
I have a query ...
- 344
3
votes
1
answer
6k
views
how do I list Distribution Group (List) and their members inside of an OU using AD or exchange 2010
our entire domain has thousands of distribution groups, while i can use the script referenced here:
How to get a list of all Distribution Lists and their Members in Exchange 2007?
to pull all ...
- 33
3
votes
1
answer
384
views
Active Directory lookups from bound Mac without user credentials
One of my Mac boot scripts needs to grab a property from AD that is not one of the ones I can see with the built in tool called dscl, which is pretty much limited to Users, Groups, and Computer ...
3
votes
1
answer
188
views
Should I be suspicious of this querystring?
I noticed in my application event log some errors:
Exception message: A potentially dangerous Request.QueryString value was detected from the client (term="DTİNST32")
Request URL: http://...
- 303
3
votes
1
answer
7k
views
Handler_read_rnd is too high (more than 2GB)
I am running an advertising program and there are some SELECT, UPDATE and DELETE queries when showing ads. Sometimes, displaying ads is fast but sometimes it is too slow. At this time, it is slow and ...
- 145
3
votes
2
answers
966
views
MySQL - Select queries 10x slower on Azure VM vs on-prem VM
We have been working on a project to migrate a MySQL database from an on-premise Linux server to a Windows VM on Azure (IaaS). (There's a specific reason because of which we have gone with the IaaS ...
3
votes
1
answer
891
views
Expensive LDAP queries from Workstations
Troubleshooting high LSASS process on a DC found expensive queries originating from a few workstations.
Each query is as follows:
Visited Entries: 1Million+
Returned Entries: <50 (most of the ...
- 827
2
votes
3
answers
61k
views
How To List All Computers Operating System On A Network In Powershell
I am looking for a script to show all the machines, hostnames, and OS versions on my domain. I have found a few scripts, but none of the scripts that I have found will do both.
Here is an example of ...
- 417
2
votes
3
answers
2k
views
Block any query in BIND
I've been trying to block ANY queries in my BIND server with no success.
I followed this post Block ANY request in Bind which says that I can use minimal-responses but it doesn't work.
None of the ...
- 35
2
votes
3
answers
749
views
How to filter a LDAP query for users which are authenticated? [closed]
I want to check if a user is authenticated right now for my Windows domain. For that I want to use an LDAP query. I learned that there is a group "Authenticated Users" (S-1-5-11) which might do the ...
- 41
2
votes
1
answer
9k
views
Search AD for empty sAMAccountName & userPrincipalName
I'm in the process of implementing a User privilege management solution and it needs to audit all users within our AD. It's currently falling over due to an account which has two blank attributes: ...
- 81
2
votes
1
answer
9k
views
How do I query members of an Exchange distribution group using LDAP filter syntax?
I'm trying to use a couple of Exchange distribution lists for access to an application (the list, due to the culture at this particular enterprise, is kept more up to date with people moving in and ...
- 1,417
2
votes
1
answer
2k
views
SCCM Collection Query- FullName
I found this page about using usernames to build a sccm collection query.
http://jengeek.blogspot.com/2014/07/creating-sccm-collection-from-list-of.html?m=1
This works great! However, the list I ...
- 326
2
votes
2
answers
5k
views
SQL query to Automatically Export to file and FTP?
I am wondering if there is such a way to automatically run SQL queries and export to file (example: csv file) and then FTP to desired location? It seems simple and would need something like this as it ...
- 41
2
votes
1
answer
3k
views
Measure query execution time in bash
I need to measure a query total execution time from inside a bash script.
Somebody told me to submit something like:
mysql --user="someuser" --password="pw" -D "dbname" -e 'your-sql-command;'
Is ...
- 299
2
votes
1
answer
20k
views
SCCM 2007 Query for installed software versions
How can I write a query to find machines which installed office 2003 with Sp3 in SCCM 2007?
Thanks,
- 325
2
votes
4
answers
1k
views
why this statement in oracle perform much slower then ms sql
I tried to run a simple test to see how the speed fair between oracle and Ms Sql as follow:
populate two tables with 2 million records, cross join them, filter by a range, and do a sum. Both table ...
user55708
2
votes
2
answers
673
views
A more useful MySQL Query log that's suitable for tail -f'ing
In order to debug a webapp and mysql queries, I've enabled the mysql query log. However it's not a very good format to tail and grep through. Ideally I'd like to be able to only show queries from a ...
- 31.9k
2
votes
1
answer
139
views
pl/sql Oracle syntax
I have a query in pl/sql that i need to migrate to ms sql.
select count(*) from table1 t1
where (conditions1) and (conditions2) and variable = t1.column1(+)
Could anyone tell me what the (+) after ...
- 714
2
votes
1
answer
2k
views
json_query help - not producing expected output
I am trying to build an array to use for with_nested, but I cannot get past why json_query isn't outputting the actual hosts assigned to each cluster:
Play:
- name: Index clusters.json
shell: cat {{ ...
- 139
2
votes
1
answer
2k
views
Nginx, rewrite get query
I would like to rewrite an url from
/shop/?category=kitset-kitchens
to
shop/category/kitset-kitchens
What I tried:
rewrite ^/shop.*$ /shop/category/$arg_category permanent;
goes to:
shop/category/...
- 123
2
votes
2
answers
180
views
Suggested indexes
I am new to indexing in general and have just started learning about query plans etc.
I am working on this one specific query that keeps advising me to create the following index:
CREATE NONCLUSTERED ...
- 83
2
votes
1
answer
4k
views
filtering event logs with specific TIME range of ANY day
How can I query windows server events between two times of any day?
I have tried with PowerShell...
Get-EventLog -Logname xxxx -After 04:00:00 -Before 04:00:30
...but just returns today's events
- 23