3
votes
2answers
1k views

MySQL memory usage issues?

I have a MySQL instance running on my Ubuntu server that is eating up most of the memory on the machine. I currently have 2 GB of ram installed on the machine, and MySQL is using 1983 MB. Most of my ...
1
vote
2answers
986 views

SSMS command to disconnect after query has finished

In SQL Server Management Studio, is there any way (for example a SQLCMD command or something) to get the SQL script window to automatically disconnect as soon as the query has finished executing?
0
votes
2answers
82 views

moving database from old disk to new disk

I need to move a database from an old disk which is no longer bootable to a new bootable disk. I have been able to mount the old disk. Now I need to move the database from there to a new disk. Can ...
2
votes
0answers
583 views

Using Mirroring to upgrade SQL Server 2008 R2 to SQL Server 2012

I am attempting to mirror a SQL Server 2008 R2 database currently in a fail over with the purpose of doing an in place upgrade. I have installed SQL Server 2012 on another machine to serve as my ...
1
vote
1answer
865 views

SQL Server 2012 - Full Text Search [Break word - Underscore]

Let's say I want to search for a list containing 'PS3': SELECT * FROM [TABLE] WHERE CONTAINS(Title, 'PS3') When the Title is proceeded by an underscore it will not return it. Oblivion-PS3 -> Good ...
0
votes
1answer
3k views

Installing Oracle 11gR2 on Oracle Linux 6 - error possibly related to database (unique) name

Installing 11gR2 on Oracle Linux 6.4. System is a desktop used by one developer. It's on DHCP. Hostname is similar to ip-t3400-1547.mydomain.local Please note I have no issues installing this ...
0
votes
1answer
739 views

connection pooling, transactions, nested transaction and rollback

I've got strange behavior on production. First user request thru application failed, I've got SQLServerException with "Lock request time out period exceeded." After that following requests are ...
0
votes
2answers
490 views

how to create backup for update tables structures in existing DB?

I have Sql Server DB, I know I can Create thru "Generate Scripts" backup for SP and Functions then I just replace inside the script the "CREATE" with "ALTER", that will update the target DB with the ...
1
vote
1answer
441 views

MySQL: Access denied messages

I have just installed Ubuntu on my server and MySQL. I can't make any change in MySQL (seeting password, creating database, etc.) as I ALWAYS get an Access denied error message. I have followed the ...
2
votes
2answers
15k views

Options for Data Encryption in SQL Server 2008 R2 Standard Edition?

I'm helping a friend with setting up encryption of data on SQL Server 2008 R2 Standard edition. Upon original research I thought I could use TDE but did not realize that it was only available for ...
6
votes
2answers
1k views

Increase all primary key values by 1

How do I increase all of my EmployeeID values by one if it is the primary key?
0
votes
1answer
2k views

Why is MySQL database data-files deployed under /var/lib/mysql?

I was wondering why do we deploy data files under /var/lib/mysql/. Is there a logical reason for that, or is that just a "traditional" place for the data? I will value more answers based on standards ...
3
votes
1answer
121 views

Migrating database live while being severely handicapped

I "inherited" a web application which is designed and implemented horribly (both the application and the database). For example, the main data is stored using a sort of emulated key-value storage in a ...
4
votes
4answers
3k views

Sql server full text search performance with additional conditions

We have a performance problem with SQL Server (2008 R2) Full text search. When we have additional where conditions to full-text search condition, it gets too slow. Here is my simplified query: ...
1
vote
1answer
295 views

After successfully execute this query How do i back in previous stage in MySQL

+----+----------+-----+-----------+----------+ | ID | NAME | AGE | ADDRESS | SALARY | +----+----------+-----+-----------+----------+ | 1 | Ramesh | 32 | Ahmedabad | 2000.00 | | 2 | ...
0
votes
0answers
921 views

Cannot recover the master database. SQL Server is unable to run

Right, I powered off development server because it was hanged, when restarted directory services database was corrupted, so fixed it, then figured out that IIS Manager's metadata.xml is messed up, so ...
1
vote
2answers
7k views

SQL Insert error Column name or number of supplied values [closed]

I have one of the stored procedures for my replication giving this error Insert Error: Column name or number of supplied value does not match table definition". The stored procedure is ...
0
votes
1answer
212 views

Why is column default value not portable through different RDBMS?

Some ORMs (doctrine) do not support default values in database schema definition, because they states it is not portable. But SQL92 supports the DEFAULT value clause, and all the databases supported ...
3
votes
1answer
336 views

Problem with PostgreSQL and the geqo optimizer

I'm trying to compare the two execution plans (exhaustive search and geqo) from the optimizer, but I always get the same plan from both types. These are the variables I use for geqo: SET geqo = true; ...
1
vote
1answer
749 views

Easy replication for SQL Server: Can it be set up like mongodb or Oracle?

This might look like a noob question... but it isn't. (I have 18 years of SQL Server experience, and three years of MongoDB experience.) The basic scenario is: -- Data Center has big, primary SQL ...
1
vote
1answer
4k views

Can I delete SQL Server 2008 R2 “audittrace” (.trc) files

This is precaution question :) When I was configuring SQL Server 2008 R2 database engine, I checked "Enable C2 audits" which I don't really need. From that time it created a lot of files like ...
0
votes
1answer
55 views

Mapping and Inserting Values into a Specialized table

For a system i'm designing,i have one parent entity,Computer Computer(computer_id,computer_processor,computer_hddrive,computer_memory); A computer can be of two types,Desktop and Laptop,each having ...
1
vote
2answers
853 views

How can I return column names in dot notation in MySQL?

I want to return column names into a table. But I also want to avoid redundancies like 'id' and 'id'. I did: INSERT INTO columns(name) SELECT COLUMN_NAME FROM INFORMATION_SCHEMA.COLUMNS WHERE ...
1
vote
2answers
634 views

How to create root user after running mysql_install_db?

I'm installing MySQL on ubuntu and I changed the data directory. I created new data files using mysql_install_db command. So now I need to access my database using root but it won't let me in. I ...
16
votes
1answer
22k views

Upgrade SQL Server 2000 database to 2008 R2 and enable new features

I have recently upgraded SQL Server 2000 database to 2008 R2. What I did was: Shutdown SQL Server 2000 (express) service on old machine, Move datafiles (mydatabase.mdf and mydatabase.ldf) to new ...
0
votes
1answer
592 views

Column 'Comments.Text' is invalid in the select list because it is not contained in either an aggregate function or the GROUP BY clause

They have explained the root of the problem very well and even advised to use max aggregate as a solution. But, lets take the example group_id item_id comment -------------------------------- ...
1
vote
1answer
5k views

Nested with - Incorrect syntax near the keyword 'WITH'

With inside with This is ok WITH CS AS ( SELECT 'ab' as a ) SELECT * from cs http://data.stackexchange.com/mathematics/revision/138658/170321/comment-partition-by-question ...
0
votes
1answer
2k views

AdventureWorks2012: “The FILE SIZE property is incorrect” error while trying to attach sample database “Adventure Works for SQL Server 2012”

I am trying to attach the sample databases, for example, AdventureWorks2012_Data.mdf from codeplex "Adventure Works for SQL Server 2012" into a MS SQL Server 2012 (default) instances on a a virtual ...
0
votes
1answer
177 views

Multiple filters with joins

I just read this qestion: SQL Multiple Filter - Optimal Way I tried this with Northwind. I filter like this: declare @supplier int = 1 declare @category int = 1 select * from products p WHERE ...
2
votes
0answers
174 views

How to give permissions to 90+ SQL Servers without tweaking in each of them?

There are over 90+ MS SQL Servers (SQL Server 2005, 2008 and 2012). All in the same Windows domain (but physically all over the world). How to give a domain user (administrative, or other) ...
0
votes
1answer
127 views

How to reduce table duplication, while ensuring integrity of the database?

For example, in my app I have some class called Contact: case class Contact(name: String, email: String, phone: String) And several other classes have one-to-many relation to that contact (for ...
3
votes
1answer
4k views

How can I find and clean up unused database files?

How can I find and clean up unused (i.e. not used by any attached database) SQL Server database files (.mdf, .ldf, .ndf) that take up extra space on my server?
3
votes
1answer
2k views

query cache hit value is not changing in my database

The query cache hit value is not changing in my database only for some queries.If I write select * from drugs_info limit 1000; the query cache hit has changed, but if I execute the following ...
0
votes
2answers
4k views

Custom Auto-Generated Sequences with SQL Server [closed]

I have Employee table with Empolyee ID column EmpID (nvarchar(5)) , and I want to make EmpID's value to 00001 00002 00003 00004 .... .... How can I make Custom Auto-Generated ...
-1
votes
1answer
161 views

How to Recover corrupt SQL Sever database? [duplicate]

I am running Windows 2000 OS and while using my SQL application a message popped-up, can anyone figure it out, the message is like that. Msg 5172, Level 16, State 15, Line 1
2
votes
1answer
2k views

postgresql replication - pg_stat_replication is showing empty columns

I've a postgresql 9.2 streaming replication setup. It appears that the slave is getting the updates from master and is in sync. I've verified it by looking at pg_xlog dir and process list. $ ps aux ...
3
votes
1answer
208 views

Help with Cybernetics SAN Configuration

There are tons of articles out there recommending RAID/ LUN/ drive configurations for SQL Servers, but most leave me still questioning as they usually state "it depends" and for this reason I'd like ...
3
votes
1answer
2k views

Should snapshot agent continue to run in transactional replication?

We have transactional replication running for a large number of publications on sql server 2008 R2 2 node active/active cluster. I have noticed that the snapshot agent job runs hourly and it looks ...
2
votes
1answer
5k views

Error: Unable to write inside TEMP environment variable path

I am installing PostgreSQL 9.2.4-1-windows.exe on Windows 7 64 with Service Pack 1. I get the following, rather famous it seems, error: There has been an error. Unable to write inside TEMP ...
4
votes
1answer
323 views

filtered index null and > 0 disparity — need explanation

I'm getting behavior in a query plan I cannot explain. The difference is between two filtered indexes I'm testing with. One uses a where id is not null and the other uses where id > 0. In my ...
0
votes
1answer
642 views

SQL Server 2008 Convert String to Datetime question

I have a string column in a table that display data as "CXL P/D 08/15/13" I'm trying to convert this column to datetime, but I can't figure out how to extract only date and change the data type. ...
2
votes
1answer
1k views

How can I find out which tables use reference partitioning from the Oracle data dictionary?

I'm writing a generic drop-all-objects script for our Oracle databases. It generates drop table TABLE_NAME cascade constraints purge lines for all tables, amongst other object types, by looping ...
-1
votes
1answer
40 views

Would This Work? [closed]

This is just a basic script for updating my database from form data. I don't have much experience with databases and this might be a bad question but I have read online that you should use UPDATE ...
2
votes
1answer
1k views

SQL Server 2012 Page Compression - Determine compression ratio?

We're using SQL Server 2012 and have page compression turned on for a number of our larger tables. Is there a way we can determine the compression ratio we're getting? We'd like to be able to ...
1
vote
1answer
3k views

Allow self-referential foreign keys to be null from an alter-table

I am trying to establish a hierarchical relationship between rows in an existing table. There are two fields of interest: a not-nullable primary key field id, and a second nullable field parentId. ...
0
votes
2answers
3k views

how to join table from different database with different Users of database?

I have Two database called. Database1: host: 127.0.0.1 user: root1 pass: root1 dbname: db1 Table 1: Category ID INT(11) Primary Key Name VARCHAR(255) Database2: host: 127.0.0.2 ...
0
votes
2answers
55 views

What should we call a table that stores changes to another table? [closed]

At the moment, we have a Persons Table. But we also need another table to store changes made to that Persons Table. But, my question is, what naming convention is used for tables that store changes ...
3
votes
2answers
15k views

What is difference between primary index, secondary index, unique index and normal index?

I work on Oracle systems where I two type of indices exists in any table: Unique index (Based on any search key which is unique key). Normal index (Index made on any search key which is not ...
1
vote
1answer
161 views

Database Tuning Advisor Index Recommendations

How does DTA make an index recommendation? What is the technology behind that? If we can use same on our side then we can shorten the whole process of Tuning recommendation: creating trace file ...
3
votes
3answers
25k views

How to automatically execute a stored procedure every day at a particular time?

Can you please help me how to execute a stored procedure automatically in SQL database without any transaction in SQL? I want to execute on particular fix time.

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