1
vote
1answer
310 views

Squeezing Maximum Out Of My Server

I have a dedicated server only built to hold MySQL databases. Currently I have a database that has 173 million records and increasing by 5-15+ million records very day. My question is what and why I ...
-1
votes
1answer
63 views

Relation that combines entries with their subsequent entries, in order of date

I need to come up with a query that can do the following: I have a table with a bunch of transaction records, whose attributes are not important, other than the attribute Date. I need to come up ...
3
votes
0answers
405 views

PostgreSQL 9.2 - Partitioning: Constraint Exclusion on SELECT not kicking in [closed]

My partitioned table SELECT queries include all partitioned tables even though checks are in place and constraint_exclusion = on. The insert trigger works fine and new rows are inserted into the ...
4
votes
1answer
106 views

How can I script out a copy of the backup to multiple locations?

Is there a way to script a copy of the backup file to multiple destinations? For example, the following will split the backup into 3 segments which make up the entire backup file. But, I'm looking to ...
0
votes
3answers
659 views

Handling case-insensitive queries with case-sensitive data

What are some practices for designing a table, or queries, when it comes to case-sensitive data and case-insensitive queries? For example, I have a Products table that holds household goods, and ...
3
votes
2answers
6k views

MySQL temporary column in SELECT statement

I'd like to do some calculations in a MySQL query. I've created some temporary columns which I'd like to use for the calculation. SQL fiddle for currently working (but discouraged) SQL query: ...
1
vote
1answer
779 views

“copy to tmp table” for 24 hours, then timeout; when ALTERing to add PK & AI

I downloaded the Wiktionary XML dump, and ran mwdumper.jar to insert the data into MySQL. Following the advice in the manual, I commented out the PRIMARY KEY AUTO_INCREMENT part of the CREATE TABLE ...
2
votes
2answers
602 views

SQL Server and SharePoint time problem

I have created a SharePoint application which has a specific time zone. The Windows server where SQL Server and SharePoint are installed are using same time zone. When I create a new item in list ...
0
votes
1answer
529 views

MySQL joining two tables and counting based on conditions

table 1 > cats cat1 cat2 table 2 > sites site1 > lang1 > cat2 site2 > lang2 > cat1 site3 > lang3 > cat1 site4 > lang1 > cat1 site5 > lang2 > cat1 site6 > ...
0
votes
1answer
32 views

How can I write to replicated environments without impacting production? [duplicate]

Are there any methods (mirroring, snapshot replication, change tracking, etc...) available in SQL Server 2k8 which would allow me to replicate production data to several individual development ...
4
votes
1answer
97 views

Query uses Primary Key Index instead of Nonclustered index defined

I have this simple query and I am confused why the index is not working. SELECT lop.RecordID ProspectusID, c.c_code CourseCode, c.c_desc CourseDescription, COALESCE(c.c_major, '') ...
2
votes
1answer
135 views

Confirmation on query optimization and performance understanding (seek and scan)

I am following along with this video on SQL Server query optimization and I would like to check my understanding of the results I am seeing. I am using SQL Server 2012 with the AdventureWorks 2012 ...
6
votes
2answers
295 views

Figuring out the physical size of a group of tables in SQL server

I have a group of about 30 tables, and I want to know the physical size on disk of all of these tables (plus indexes). Is there an easier way of doing this than through the GUI in SQL server 2008 R2? ...
3
votes
0answers
2k views

SQL Server intermittent error 40 Could not open a connection to SQL Server or The network path was not found

I am getting intermittent errors as per the below stack trace. I am using C# Entity Framework with SQL Server 2012 enterprise running on a separate server computer. I can connect and query the DB ...
0
votes
2answers
2k views

How to auto start instance of sql server 2012 localdb on startup?

How do you auto start instance of sql server 2012 localdb on startup?
0
votes
2answers
435 views

SQL Server 2005 Replication Stops after a minute without an error

Background: I have a SQL Server 2005 setup with master, slave1, slave2 replication set up as a pull replication from slaves. The distribution database resides on the slave1 machine, both slaves pull. ...
1
vote
1answer
299 views

Innodb buffer pool indexes versus data usage

The server has 128GB of RAM. The innodb_buffer_pool_size is set to 106GB. mysql> show global variables like 'innodb_buffer_pool_size'; +-------------------------+--------------+ | Variable_name ...
4
votes
3answers
5k views

How can I create readonly user for backups in PostgreSQL?

Is it true that it is IMPOSSIBLE to create a readonly backup user in PostgreSQL? I've been advised on an IRC channel that you simply can't have a backup only user with no ownership privileges. I ...
1
vote
1answer
381 views

SQL Server “Max Worker Threads” Setting

I am helping troubleshoot some problems on a SQL Server box. An application that used to run without problem is now failing with connection pool errors, and no changes have been made to the ...
1
vote
2answers
620 views

Cannot add an account [non domain account ] to SQL Server 2012

Background: I have a application pool [ABCDEMO] in IIS. The identity of the appool is "NetworkService". I am trying to add IIS APPPOOL\ABCDEMO to my SQL SERVER 2012 on a Windows SERVER 2012. When I ...
3
votes
1answer
472 views

Can SQL Server prevent the pagefile from being moved?

On a production server of ours the page file has grown to 30gb+. The Sys Admin has moved the Page File to a different drive, but for some reason the old one won't be removed. He thinks that SQL ...
0
votes
0answers
19 views

Link server does not work in a particular terminal server [duplicate]

We set up a link server from A to B. And we added several AD accounts to the security of link server on A. Also those users have proper permissions in dbs on B. It works perfectly if I selected ...
1
vote
0answers
519 views

Error 7373 connecting to SSAS 2008 only from one machine

Within the last week, I've gotten the following error when trying to use a linked server in SSMS (tried 2008 and 2012) to connect to a SSAS 2008 R2 instance on our cluster: Cannot set ...
2
votes
2answers
106 views

How to revert multiple impersonations?

When there are nested impersonations (as in exec as user = 'user1'; exec as user = 'user2'; exec as user = 'user1';), is there a way to revert all of them without having to use the revert command ...
2
votes
4answers
516 views

Which of these queries is best for performance?

Which of these queries are best for performance ? Sometimes I wonder if SHORT scripts really is the best thing to focus on. These scripts performs the same task. With left joins i can achieve what i ...
0
votes
1answer
514 views

Party Relationship Model in Practice - Insertions

I'm moving this question for StackOverflow in hopes to get perspective from a more database-oriented community. Here is a basic representation of what I'm doing (in pseudo sql): Parties - ID, ...
3
votes
3answers
7k views

Is replication possible on two different domains?

I am implementing a database replication between different geograhical locations where each one is on a different domain. After going through all the process, when I start the agent it runs and stops. ...
1
vote
1answer
4k views

SQL Server 2012 Service Master Key Regenerate

I have a new SQL Server 2012 instance and when I run the following command I get an error. ALTER SERVICE MASTER KEY REGENERATE Error: Msg 15329, Level 16, State 1, Line 1 The current master ...
0
votes
1answer
96 views

How can I run a PostgreSQL outside the standard directories on Linux, ie outside /var/run/postgresql etc?

I need to be able to run PostgreSQL databases outside the standard installation directories, ie run the existing postgres or pg_ctl process pointing to the alternative ports, configuration and data ...
1
vote
0answers
286 views

PostgreSQL how to create a scalable location-based query

I need suggestions because I am not good enough. I have a DB in PostgreSQL that runs on AWS (Amazon Web Services). I have a table "user_location" where there are stored the locations of each user ...
1
vote
1answer
82 views

Data modelling concepts

Let´s say I have 3 entities. Can I have them all linked to each other "forming a circle" where each one is linked to the other trough a many to many relationship. Cheers
0
votes
1answer
1k views

Audit Trail in Oracle 11gR2

I'm using Oracle 11g R2 on RHEL5. How can I find what is being audited? I want to know what actions (like create, insert, delete, update etc.) are being audited or logged for a user, say scott.
3
votes
3answers
25k views

Oracle 12c Installation in Windows 7 error INS-30131

I am trying to install Oracle 12c in a Windows 7 x64 computer and after a while I get this error: SEVERE: [FATAL] [INS-30131] Initial setup required for the execution of installer validations failed. ...
6
votes
2answers
34k views

How to get a list of locked accounts / check that account is locked?

I can use following statement to unlock an account: ALTER USER username ACCOUNT UNLOCK But which statement can I use to verify that account is currently locked out?
0
votes
3answers
228 views

SQL Server Facets: “Linked Server” exist but “Registered Server” doesn't - why?

I'd like to monitor multiple SQL Server instances. Something similar to what is described in "Monitor Your SQL Server Linked Server Configurations with Policy Based Management" but instead of using ...
0
votes
2answers
960 views

What is the default size of text field in Postgres?

In the official documentation (http://www.postgresql.org/docs/9.1/static/datatype-character.html), it states text field is variable unlimited length. I wonder what is the default size of this field ...
2
votes
1answer
416 views

Is the [NT Service\SQLSERVERAGENT] a supported type for SQL Server Agent service?

Reading and re-reading MSDN "Select an Account for the SQL Server Agent Service". NT Service\SQLSERVERAGENT is not listed in the "Supported Service Account Types" section. And, if not, what is it ...
12
votes
3answers
13k views

Difference between Sharding And Replication on MongoDB

I am just confuse about the Sharding and Replication that how they works..According to Definition Replication: A replica set in MongoDB is a group of mongod processes that maintain the same data ...
4
votes
1answer
1k views

Any way to send notifications to different Emails on success/failure of SqlServerAgent job?

SQL Server 2012 R2 on Windows Server 2008R2 Is there any way to send notifications to different Emails: on success of an Sql Server Agent job to one Email address and on failure - to another ? ...
0
votes
1answer
661 views

Data Warehouse - Slowly Changing Dimensions with Many to Many Relationships

As an example, let's say I have a fact table with two dimensions and one measure FactMoney table ProjectKey int PersonKey int CashAmount money The two dimensions are defined like this: ...
1
vote
1answer
616 views

Mysql: Possible to increase the priority of your query on a database?

In mySQL is it possible to increase the priority of your query when competing with other users without caching your query before hand?
0
votes
1answer
523 views

mariadb-galera-server with Aria?

With Galera now somewhat supporting MyISAM replication, does that also mean that it will replicate Aria databases with storage engine (which is more or less feature complete to MyISAM, and a drop in ...
1
vote
2answers
590 views

SP or query to dump “password policy” checkbox for all logins

sp_helplogins doesn't show a column for this. I need a listing of all logins, with the status of their "Enforce password policy" checkbox. This is for an auditor, and the standard practice is for ...
0
votes
0answers
104 views

Backup in Mysql periodically

I have trouble scheduling a backup in mysql periodically, most of the tools do not recognize the geometric field, for example navicat which says Can not get geometry object from data you send to ...
1
vote
2answers
1k views

Should I load the data into Temp table or keep calling it from the normal table? [closed]

I am writing a procedure and find myself using the same select statement with the same where clause a lot. Currently the table holds over 55000 rows and grows about 100 or so rows each day. The two ...
2
votes
1answer
459 views

Should you use the schema name in WHERE, ON, and other clauses?

I know it is good practice, and a performance boost, in SQL Server to prefix the table name with the schema (dbo.TableName) in the FROM clause of a SELECT statement but should you also use it on other ...
0
votes
0answers
1k views

Fastest way to perform simple operations on 1 million rows

I have a simple table with more than 1 million rows in an InnoDB MySQL table. Here are the steps that I need to perform on each row: SELECT * FROM tbl where work_done=0 make some data processings ...
0
votes
1answer
76 views

Compiled version of stored procedure

If I have administrator rights, would it possible to view details on the compiled version of a stored procedure or a view? Is there a visual representation available?
2
votes
2answers
171 views

Best way to explain the importance of Raid 10 to SysAdmins [closed]

Hi I'm trying to impress upon a group of administrators as to why the extra money should be spent on raid 10 vs say raid 5. Other then just pointing at MS Best Practices does anyone know of any good ...
7
votes
3answers
8k views

Indexing a PK GUID in SQL Server 2012

My developers have setup their application to use GUID's as PK for pretty much all of their tables and by default SQL Server has setup the clustered index on these PK's. The system is relatively ...

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