-1
votes
0answers
32 views

Is there a way to throttle MySQL requests to mitigate DoS traffic?

I've a server with ~200 wordpress websites hosted. When Google Favicon bot pays us a visit it searches all the sites indexed on our IP, that means it's requesting ~200 favicons. Most of the sites ...
1
vote
0answers
10 views

Between optimizing a 1-billion rows table and dump-restoring it, which would be faster?

Have multiple tables which had more than 1 billion rows. Archived and deleted many of them, now want to recover the disk space. Have option to either optimize the table, or dump the table and restore ...
0
votes
1answer
139 views

Can having a LIMIT on DELETE degrade performance dramatically?

I have a database project in php and mysql. For, hopefully redundant, data security I added a LIMIT 1 to the delete($uniqueID) php function we use. Nobody cared because records really aren't ...
1
vote
1answer
129 views

Best way to transfer a few tables from reserve server to production

We have two MS SQL Servers (2012 Standard Edition on Windows 2012 Server) which are located in the same subnet. One is production server. Another is reserve server. Currently there is a ...
3
votes
2answers
61 views

How to verify disk hit by a query

I want to know how to verify disk hits by a select query in PostgreSQL 9.4 on CentOS 6.5. Also please let me know how far enabling the log_statement_stats in the postgresql.conf will help me. I need ...
2
votes
2answers
107 views

Is there any reason not to use foreign keys in MySQL?

I've never really used foreign keys before but I am building a project where they could come in handy. I have looked at some other large software such as some forum systems and they don't use foreign ...
2
votes
1answer
9k views

MySQL got signal 11 error and slave is down

My slave server is down and mysqld unable to start. What should I do? Below follows the error logs: 2014-09-26 12:51:53 14166 [ERROR] InnoDB: Unable to lock ./ibdata1, error: 11 2014-09-26 12:51:53 ...
3
votes
2answers
94 views

Issues installing SQL Server 2008 R2 or any other version on Windows 10

I have a serious problem by installing any SQL Server version (tried 2008 R2 and SQL Server 2014) on Windows 10. First question: are the above mentioned versions compatible with Windows 10 or Windows ...
7
votes
2answers
11k views

Taking MySQL dump from another machine

I have a MySQL db on Machine A and I want to access the mysqldump from machine B. Both machines are running on Linux and I also have the credentials of both, but I can't access the mysqldump. What ...
4
votes
2answers
2k views

How to find which edition the SQL Server installation media belongs to

Without installing SQL Server media 2008 and 2012, how can we know that the media belongs to a certain edition (like Developer, Standard or Enterprise)?
0
votes
0answers
18 views

Join query not working [on hold]

select distinct concat(ed.first_name,'',ed.middile_name,'',ed.last_name) empname, emp_fkey, au.* from emp_details ed INNER join emp_ctc_upload au on (ed.emp_pkey = ...
0
votes
0answers
32 views

Headers and footers for Crystal Reports [on hold]

I have three tables: Employee [EMPNAME, EMPID] ProductList [ProductName, ProductCode] Orders [EMPNAME, ProductCode, ProductName, DeliveryDate, OrderDate, TOTAMT] I am trying to ...
4
votes
2answers
3k views

Trigger in MySQL to prevent insertion

I want to create the trigger which prevents insertion in the reservation table of flights (numflights) which does not exist. Tables ---------------------------------------------- flights(numflight, ...
8
votes
1answer
8k views

MySQL INNODB corruption after server crash during concurrent truncate command

My server crashed today I think due to a concurrent truncate table command on one of our INNODB tables. The server could be restarted, but after it starts up, everytime I try to issue an SQL command, ...
7
votes
2answers
9k views

MySQL equivalent of WITH in oracle

Is there a MySQL equivalent of the WITH clause in Oracle?
3
votes
1answer
82 views

Translate query using APPLY to run under compatibility level 80

I want to use the following query: SELECT SUBSTRING(qt.TEXT, ( qs.statement_start_offset / 2 ) + 1, ( ( CASE qs.statement_end_offset WHEN -1 THEN DATALENGTH(qt.TEXT) ...
0
votes
1answer
493 views

Import big CSV on Oracle

I have big CSV files and placed it on Linux (Amazon AMI). I have installed instant client on Amazon Linux AMI and I can connect to my Oracle database using SQL Plus. How can I import all the CSVs to ...
2
votes
1answer
531 views

SSRS 2008 parameters question

SSRS allows you to create 5 types of parameters: Text, Boolean, Date/Time, Integer and Float. I created a new integer parameter which allows user to enter a minimum price and view a report. However ...
1
vote
0answers
1 view

Checking for fields not on SET clause on before update trigger on MySQL

I want to set a before update trigger that sets a column to a given value if an update query is done and that column has no new value on the set clause. The table I'm using. (Sort of) DROP TABLE IF ...
1
vote
1answer
211 views

“Remote” connection to a local MYSQL database on LAN

I have a mySQL (5.5.38) server running on my desktop (windows 7), I can connect just fine into any of the servers Users, and skip-networking is off when checked via show variables. I am trying to give ...
-1
votes
0answers
17 views

windows 10 home, 64 bit… trouble running a certain software requiring 2k8r2, would like to run these ideas by you [on hold]

I need to run a programming software that requires 2008r2, I cant finish installing the software because it wants to install its own instance of 2k8r2. Can I install sql first then run the software? ...
0
votes
0answers
5 views

MySQL Errror “Cannot Connect Invalid Settings”

I was working with mysql using phpmyadmin on a local server and when I clicked on a table it took a very long time to do anything so I let it do its thing, I walked away and when I came back I had the ...
0
votes
1answer
129 views

Application is hanging when database upgraded from SQL Server 2000 to SQL Server 2008 R2

Presently we are working with SQL Server 2000, the database is perfectly working with our software for retail sales counter application developed with VB 6.0. But after upgraded to SQL Server 2008 R2, ...
1
vote
2answers
16 views

Interested in counting number of threshold crossings

I would like to determine the number of times that a value has crossed a threshold in either direction in a specified time frame. As an example, lets say that I am interested in the number of times ...
0
votes
1answer
7 views

MySQL - Mixed Based Replication Between Two databases on thesame server

I am working on a solution. Formerly, I used replication becuase both databases were on separate servers. Now both databases have to reside on thesame server. Can replication work with the databases ...
1
vote
1answer
209 views

Can't see temp table from subquery

I have a query that selects data from tables and one temp table. This works fine, but there is a GROUP BY/ORDER BY combination that doesn't work well for me. Indeed, I need to order the results and ...
2
votes
1answer
36 views

Transaction Log Backups Serial or Parallel?

We happen to be using SQL Server 2012 Standard Edition. I also happen to use Ola Hallengren's scripts to provide an easy, more flexible framework for doing backups and maintenance. This question ...
2
votes
1answer
154 views

sys.dm_db_index_physical_stats is extremly slow

I have a database that is around 4.5TB, since we have parallel inserts (to reduce daily load time) on one table (partitioned by month) the clustered index on this table tends to be heavily fragmented. ...
2
votes
1answer
2k views

Sybase SQL Anywhere 12 - Get all indexes which are unique -> ambigious sysindexes error

we are using a Sybase SQL Anywhere 12 db. In the db there are indices, which are unique, but shouldn't be unique. Therefore I search for a quick way to list all tables with unique primary keys. I ...
0
votes
1answer
108 views

ORA-01113: file 1 needs media recovery — system01.dbf

The only way to recover is from media backup? I know I cannot "rebuild" system datafile, but if I don't have a backup - I know shame on me! - Is there anyway to recover database?
1
vote
1answer
32 views

Is it possible to view a SQL query in the PgAdmin III Graphical Query Builder?

I often use pgadmin III's graphical query builder to design my SQL queries. I can then toggle back to the SQL Editor tab, and grab the SQL. Is it possible to paste a SQL query in to the SQL Editor ...
2
votes
1answer
24 views

Passing multiple value for a parameter in my sql

I have written the query below: SET @City = 'London,Lyon,Kln'; SELECT SUBSTRING_INDEX(SUBSTRING_INDEX(@City, ',',@r:=@r+1),',',-1) City FROM (SELECT @r:=0) x, (SELECT 'x' xx UNION SELECT ...
0
votes
2answers
22 views

ulimit 'open files' and MySQL max_connection

When running mysql on SSD, does max_connections, if set more than the kernel's ulimit open files, be limited to the kernel's limit? My understanding is that if the kernel's ulimit open files is 1024 ...
2
votes
1answer
38 views

Can I use an index to optimize select clause, versus where clause?

I'm not sure if this question has been answered, because I'm not sure of the proper wording to describe what I need. So here it is: I am trying to optimize a database that is running very slowly, ...
0
votes
0answers
11 views

is there a GUI client that can execute multiple queries and show its multiple results?

I'm currently using pgadmin and it appears that it is not possible to send more than one query and retrieve multiple data sets back. For example, if I try to do this: select travelerId, name from ...
10
votes
1answer
180 views

stats_column_id and index_column_id do not update with physical order of clustered index is changed

Unless I'm misunderstanding the purpose of the column, the following code indicates that a change of the structure of the clustered index does not change the ordinal position (stats_column_id)of the ...
7
votes
2answers
32k views

Forgotten PostgreSQL Windows password

This morning I’ve been trying to connect the PostgreSQL database on my Windows 7 Professional desktop. The default value is ‘postgres’, but sure enough I forgot what password I used when I originally ...
2
votes
1answer
173 views

Can SQL Server 2008 R2 get email name resolution from Office 365?

We just moved from an on premise Exchange server to Office 365's Exchange Online. My question is, is there any way to still get email name resolution from Office 365? I have many stored procedures ...
1
vote
1answer
14 views

Postgresql uuid syntax error

I am trying to insert/update a foreign key field which is also a uuid to use the correct fk id for this set of data: zuri=# ALTER TABLE newarts ALTER COLUMN jurisdiction_id SET DEFAULT ...
1
vote
1answer
57 views

PostgreSQL not using index during count(*)

I have a COUNT(*) query in PostgreSQL that runs often, and looks like: SELECT COUNT(*) FROM customer WHERE source_id IN (1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16); This query ...
5
votes
1answer
3k views

How to create an index on an integer json property in postgres

I can't figure out for the life of me how to create an index on a property of my json column which is an integer. I tried it this way (and also dozens of others) CREATE INDEX user_reputation_idx ON ...
0
votes
1answer
508 views

MySQL: Transaction and Deadlock

I have table "tbl_data", where have a lot of rows (3 - 5 million). I have JAVA (*.jar) module from which I INSERT/UPDATE data into this table. If I start *.jar file (for example, "run.jar") and after ...
1
vote
0answers
19 views

SQL Server 2008 R2 services not coming online

I am working for a critical account and yesterday I got a weird issue after applying cumulative update package 14 on top of SQL Server 2008 R2 Standard edition. Before applying CU-14 package on the ...
1
vote
2answers
2k views

Is MSDTC required for SQL Server 2012 Fail Over Cluster?

I am making a 2 node SQL Server 2012 Fail Over Cluster, do I need to install MSDTC also? If yes then can both be installed on single shared disk?
0
votes
0answers
3 views

mysqlworkbench nasty result grid with text columns

On MySQL Workbench 6.3, when you query a table with text columns that have carrier return \n in it, the Result Grid expands record's height accordingly. In the image, I've reduced the height of the ...
7
votes
2answers
280 views

SUM of DATALENGTHs not matching table size from sys.allocation_units

I was under the impression that if I were to sum the DATALENGTH() of all fields for all records in a table that I would get the total size of the table. Am I mistaken? SELECT SUM(DATALENGTH(Field1)) ...
2
votes
1answer
120 views

How to connect DB2 with eclipse on mac?

I tried to connect the DB2 Express-C Version 10.1 to Eclipse Mars but it returns an exception when I tried to run the program. com.ibm.db2.jcc.am.DisconnectNonTransientConnectionException: Error ...
1
vote
0answers
13 views

Is it possible to resize a blob image?

I've got a table with an image blob field in it, which stores jpg files. As those jpg files are shown in a web page, I would like to resize them in order to spend less bandwidth when my web page call ...
3
votes
1answer
167 views

Login failed for user 'NT AUTHORITY\ANONYMOUS LOGON'

I have an Operations server running Windows Server 2012R2 and SQL Server 2014 Enterprise back end. This server is used to deploy new code to other production servers via cmd file called by a SQL ...
3
votes
2answers
114 views

View active MySQL connections per user

I need a query that will give me the active or open number of connections to a certain database for a certain user. I have been searching for hours and have come up with nothing so far. I am close, so ...

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