2
votes
1answer
131 views

Listener pointing to incorrect AlwaysOn Availability Group

All, Thanks in advance I have two instances of SQL Server 2012 SP1 on a three node WSFC with a HAdr group on each instance with a corresponding listener. Instance 1's listener points to Instance 1, ...
1
vote
3answers
278 views

Create failed for Index 'ClusteredColumnStoreIndex'. Timeout expired

I am creating Clustered Column Store Index in SQL Server 2014. I am getting error as "Timeout expired. The timeout period elapsed prior to completion of the operation or the server is not ...
0
votes
0answers
5 views

Postgresql single base on multiple HDD partitions

Imagine a situation: I got a Postgres database working on single server on one of HDD partitions (partition size 100GB) Database grows up to 100GB taking whole free place on the partition Database ...
0
votes
1answer
35 views

Why does this query take 32 sec to execute?

I keep my history records in one table and my pertinent data in another. I want to grab only the files from myfiles that currently have a given status recorded in statuses (ie, the latest status is ...
0
votes
0answers
11 views

What are the dangers of non-IT managers using improper database terminology

My immediate manager above me is not an IT person. She has obviously read a wiki page or two on SQL Server and/or database theory. Many times during discussions she will use terms like "Normalized" ...
0
votes
0answers
3 views

Replication Snapshot folder not cleaning up

The job that I thought was supposed to clean up old snapshots isn't removing the old files. The retention is left at default yet there are snapshots months old which remain. The job runs as the ...
0
votes
0answers
3 views

phpMyadmin 's red number, How to know is it good or bad?

I have some red numbers in my phpmyadmin status : Slow_queries | 137.297 Innodb_buffer_pool_pages_dirty | 12 Innodb_buffer_pool_reads | 127025788750 Innodb_buffer_pool_wait_free | 198 ...
0
votes
2answers
79 views

Reset of root password not working?

Our previous DBA left and didn't note the root password down, and I've been pressganged into doing part of his job until we can hire someone. So I create a file : /root/mysql.password Inside that ...
5
votes
2answers
39 views

Mongodb - see when a database was dropped

I want to know if there is a way to see when a database was dropped. Is there an entry in a log file or some other way to see when this occurred
0
votes
1answer
19 views

T-SQL Parsing XML escaped in format %3E (less than)

First question here so please be gentle :) I am a junior SQL developer. I am try to parse a string in xml format that has been escaped like below: ...
1
vote
1answer
10 views

Set bit in Table A if values are present in Table B

I have two tables, Containing up to ~10 million entries. TableA which has 3 columns: IDA (bigint), IDB (int) and CHK (bit). (IDA, IDB) is the primary key. TableB which has 2 columns: IDA (bigint), ...
1
vote
1answer
26 views

To make sql server instance back to multi user mode

I have made a change at instance level, ‘Properties/Connections/Maximum number of concurrent users’ to 1, disconnect all other users from the server. Since some of the users were logged in and left ...
1
vote
1answer
22 views

“Wrong affix file formate for flag” while loading dictionaries from LibreOffice in PostgreSQL 9.3

Trying to get good TEXT SEARCH results out of PostgreSQL in English, German and Dutch made that I downloaded proofing tools of LibreOffice (tried of version 4.3 and 3.3) and iSpell. I placed the files ...
0
votes
1answer
17 views

Is there a standard mechanism for moving data to a remote database?

I have my application installed in data centers across the world, performing various functions, with each data center having its own local database for the application. Certain reporting data is ...
0
votes
1answer
5 views

Machine account causing a Token-based server access validation failed with an infrastructure error

As the error suggests the SQL log is filling with the error: Login failed for user 'xxx\xxx$'. Reason: Token-based server access validation failed with an infrastructure error. Check for previous ...
3
votes
1answer
3k views

When are InnoDB table index statistics updated?

In a vanilla build of MySQL 5.5.20, when are InnoDB table index statistics updated? What events trigger such updates? I've seen comments suggesting that the following might trigger it: table is ...
2
votes
2answers
82 views

Tuning Postgres for Single connection use? Or is postgres wrong tool?

Any rules of thumb for work_mem, maintenance_work_mem, shared_buffer, etc. for a database that DOESN'T anticipate concurrent connections and that is doing lots of aggregate functions? I'm a social ...
0
votes
2answers
16 views

Meaning of 'show variables LIKE '%_database'

Despite being a newbie in db administration, I have been assigned to move our crm from mysql to mssql. I have reached a point where I have met a query I dont understand and it cannot execute in sql ...
0
votes
1answer
61 views

Extract one MySQL database from a FULL MYSQL Server backup file

I have a small shared windows server on which i'have installed MySQL 5.1 engine for hosting my user's mysql databases. I backup the complete MySQL databases each day by running this script as batch ...
0
votes
1answer
34 views

No-SQL Datebase Design for restaurant app

I've been working with SQL Datebases all my life and I am now trying to get into No-SQL world. I am a looking for a piece of advice on whats the best practice in order to achieve this. Suppose I have ...
0
votes
1answer
12 views

Header is added when exporting column of type image with BCP to files

I export a column of type image to files using this command: EXEC master..xp_cmdshell 'BCP "SELECT file_name FROM file_table WHERE id = 11 " queryout "C:\bcpdir\test.xml" -T -N' In SQL Management ...
0
votes
1answer
21 views

How to import large sql file in postgres?

Trying to import sql file around 8GB using these commands sudo -u postgres psql yourdb -f my_file.sql sudo -u postgres psql yourdb < my_file.sql sudo -u postgres cat my_file.sql | psql yourdb ...
1
vote
1answer
6 views

Warnings while running AutoMysqlBackup

I am using Automysqlbackup.sh file to take MySql backups on Ubuntu.I have only 1 database. But when i run this script then it generates several Warnings (plus a error mail) like below Errors reported ...
0
votes
0answers
10 views

Transactions within a Transaction

What behaviour would PostgreSQL display if for example the script below were called BEGIN; SELECT * FROM foo; INSERT INTO foo(name) VALUES ('bar'); BEGIN; <- The point of interest END; Would ...
0
votes
1answer
12 views

Copy database from one mysql sever to another mysql server

Following are the details of the database and server: Server1: Host Name: abc Port Num: 01 database: test Server2: Host Name: xyz Port Num 02 database: spareparts userid: spts password: abcdefgh@123 ...
1
vote
3answers
761 views

Replication fails because of a non-existent foreign key

I have been trying to get a previously working replication to start working. I have tried many settings, but I can't seem to make it work. Here is the scenario. I dropped all the FK constraints ...
0
votes
1answer
345 views

SQL Server Error - HRESULT E_FAIL has been returned from a call to a COM component

I have a huge 200MB .SQL file. When I try to open this in SQL server management studio 2008, I get the error -Error HRESULT E_FAIL has been returned from a call to a COM component. What could the ...
0
votes
0answers
9 views

HTML column in a full text index?

Using sql server management studio, I want to create a full text index where a certain field is treated as html, tags should be ignored and umlaut-codes should be taken into account. How can I do ...
3
votes
4answers
5k views

There is any option for mysqldump to ignore databases for backup in mysql

we have 40 databases in our server. we want to take 36 databases backup using mysqldump. how can i ignore remainig 4 databases in mysqldump command. there is any option for mysqldump to ignore ...
1
vote
2answers
828 views

What's the meaning of the Collation Code (blank, 90, 100, 110) in SQL Server 2012

During the installation of SQL Server 2012, in the Collation tab, i can choose between French_CI_AS and French_100_CI_AS. What do they mean and which one is newer? When there's no Code, is it newer ...
1
vote
1answer
129 views

mysql replication missed quite a lot SQL statement

I have set up a master/slave with mysql-5.1.73 The master's binlog format is "statement". The master and slave seemed running very well with slave status: Slave_IO_Running: Yes ...
1
vote
2answers
48 views

ACID violation in Postgres 9.1?

I am using a postgres DB to implement a scheduling of jobs for a large number of computers/processes. To make the story short, every job has its id, all scheduling is implemented with three tabes: all ...
5
votes
3answers
152 views

Corrupted mdf file causing the backup job to fail

We have ran into a problem with one of our SQL server 2008 databases. It appears that something is corrupted in its datafile and this has caused our daily DB backup jobs to fail. The last successful ...
1
vote
1answer
57 views

Cassandra: maintenance

I am inexperienced with Cassandra, but I have some experience with SQL-based relational databases. I have been unable to find best practices information about how to maintain Cassandra once deployed. ...
1
vote
2answers
158 views
+50

Issues with module signing and SSIS catalog internal procedures

I'm trying to set up a stored procedure to execute an SSIS package. I want to allow a user to execute only this stored procedure, so I need it to run as a different user. I found this article which ...
0
votes
0answers
8 views

Calculate sum of a whole column in IBM Datastage without any grouping

I have a table in oracle with salary as one of the columns. I want to calculate the sum of this salary column. It is pretty simple in SQL sum(salary) but I have made some dimensions and facts using ...
0
votes
3answers
73 views

Replacing the results of a row

I'm working with Microsoft Reporting Services 2008. In our database, we have a small group of confidential students that need to be taken into account for several queries. If they are a confidential ...
1
vote
3answers
45 views

500 databases or 1 database with 500 tables or just 1 table with all the records? [on hold]

I currently have an application that is used by a single end customer. For ease of discussion assume the application only needs a single database table for all records. I now need to support ...
0
votes
0answers
14 views

Why would I not specify ROWLOCK to get rid of page locks?

I have a query that goes something like this: SELECT TOP (1) * FROM MyTable WITH (UPDLOCK, READPAST) ORDER BY SomeColumn ASC; This answer says that it's hard to say for sure but it will probably ...
0
votes
1answer
149 views

Are there any good tools to convert mysqldump files to CSV?

I need to convert a file resulting from mysqldump into a csv file. I'm not willing to write my own ad hoc, informally-specified, bug-ridden, slow implementation of a sql parser to extract the values ...
0
votes
1answer
22 views

MySQL slave stuck at 'System lock' most of the time, high CPU usage

Let me describe what we are facing now: We have a MySQL Master-Slave, Row Based Replication setup and at the moment, the slave is stuck with a perpetual System Lock. The Master is an active server ...
4
votes
1answer
129 views

How to configure SSRS (SQL Server 2012) to run on a different instance, but same server as SharePoint

I have an instance of SQL Server 2012 running on Windows 2008R2 along side another instance of SQL Server 2012 that is running SharePoint (I think it is SharePoint 2010). When I try to access the ...
1
vote
1answer
15 views

Slow Query with LIMIT

We have this query: SELECT "messages".* FROM "messages" WHERE "messages"."account_id" = 1 AND "messages"."status" = 'unread' AND (created_at >= '2014-04-24 01:00:00.000000') ORDER BY id DESC It ...
1
vote
1answer
18 views

Transforming a relation to 3NF

I'm trying to transform the following relation to 3NF but can't figure it out. The relation is (a student can only have 1 major): STUDENT (StuID, StuName, Major), Primary Key = {StuID} I tried the ...
1
vote
2answers
255 views

Upgrading to MySQL 5.6, benefits to switching to GTID replication?

We have the most basic of MySQL replication setups, a single Master doing statement-based replication to a single Slave, a 90/10 mix of innodb/myisam tables. Both run Percona MySQL 5.5 at the moment ...
1
vote
2answers
28 views

Primary Key choice on table with unique identifier

I'm reconsidering my choice of Primary Key on a table, and would like some input. Some context: We are building a REST API, where clients access "Assets" identified by a GUID. So, the table for ...
0
votes
1answer
108 views

How to optimize query

using SQLite3 and the following query, it seems like there should be a better performing way to write this query? Is there? Select Name, Sum(Case When Used Is ...
0
votes
1answer
2k views

how to import .xls file into SQLite database?

I have an issue with importing .xls file into SQLite database. I am working on windows xp and using a SQLite manager for maintain the database. I can import the .csv file to the database by using ...
0
votes
1answer
129 views

Automobile database logic

I am building a web based quoting system for a local automobile dealership. I think I have figured out the logic for the databases but I want to get a second opinion before I start just to make sure ...
0
votes
1answer
65 views

Update query in a trigger

I have a configuration table: Table: refdatecol - id int(11) startdatecol varchar(100) enddatecol varchar(100) datecolTable varchar(100) This table holds the user configured column names ...

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