1
vote
1answer
22 views

How to make MYSQL smart enough to understand when it should take into account stop word and when it shouldn't?

Ok, here is the problem. I have a table Text text nature .... text2 nature .... a lot of nature ... rows here.. .... go with nature with nature her go it Now, i select: select * From MyFullText ...
1
vote
0answers
31 views

Any idea why this seemingly-simple query is really slow?

Here's the query SELECT count(*) FROM registration r LEFT JOIN registration r2 ON r.baggage_group_id = r2.baggage_group_id AND r2.team_id IS NULL WHERE r.event_id = "102577"; It seems pretty ...
3
votes
2answers
61 views

Intermittent RESOURCE_SEMAPHORE_QUERY_COMPILE Wait Stats

I'm trying to troubleshoot some intermittent CPU spikes that we're witnessing on one of our production SQL Servers. We're running SQL Server 2008 R2 Standard Edition with 28 GB RAM and 4 CPU cores. ...
0
votes
1answer
27 views

Can't force mysql to use index

There are many similar questions about force index but mine is something different because i successfully use index at local dev server but can't on production server. I have a table with more than ...
0
votes
0answers
18 views

How can I find which records of `Data Warehouse` must be updated according to CDC captured changes?

I use SQL Server 2012 for OLTP Database and created a Data Warehouse in SQL Server 2012. I design Facts and Dimensions inside Data Warehouse with several Views. Some of my Fact table are made by ...
0
votes
0answers
6 views

Azure database copy seems stuck in a loop

I am attempting to refresh a database using CREATE DATBASE name AS COPY OF server.name. After executing the copy statements, I run the following to track the progress: DECLARE @yup INTEGER PRINT ...
0
votes
0answers
11 views

Can't Add Databases through PHPMyAdmin

EDIT (should've mentioned this sooner): I'm using a Mac, running OS X 10.9.2 Being fairly new to PHPMyAdmin, I thought I was removing settings/privileges for one single user through PHPMyAdmin, but ...
0
votes
1answer
24 views

How do I use a temporary table to generate a template of results and then fill it?

So let's say I have a table, call it 'orders' that looks like this: fields: customer|order_type|price data: "Bob" |"Delivery"|100 "Nancy" |"Delivery"|200 Where customer can be any name, ...
0
votes
0answers
10 views

Azure Copy Database Failed

We have four different environments: DEVINT, TEST, STAGE, and PROD, each on their own Azure SQL Database server. I can copy a database between any two of these, using the command CREATE DATABASE mine ...
1
vote
2answers
57 views

Latitude and Longtitude Distance Calculation

I'm using MySQL and I am trying to calculate the distance in meters between two different longitude, latitude coordinates. I wrote a stored function in MySQL but it calculates just 1 for each row in ...
2
votes
2answers
47 views

Creating Clustered Index uses all my tempdb space. Why?

Table size = 44GB (no clustered index) Row Count = 122016576 Disk space allocated to tempdb = 200MB I wanted to create a clustered index for the table due to slow query times so I ran the ...
0
votes
1answer
17 views

How can I apply heuristics to optimise an expression tree?

I've converted the following SQL query: SELECT name FROM dog d, works_at w WHERE (d.owner_name = w.person_name) AND (w.kennal_name = "Breeders"); into the following expression tree: My main ...
3
votes
0answers
49 views

Restoring differential backup creates DEFUNCT log file?

Here is my problem. I'm trying to move a database to a new server via a full restore, then cutover with a quick differential backup/restore. I can do a full restore without a problem, but when ...
0
votes
1answer
12 views

Oprhaned entries in msdb..sysjobactivity

In this question: http://stackoverflow.com/questions/18445825/how-to-know-status-of-currently-running-jobs This answer was proposed: SELECT sj.name , sja.* FROM msdb.dbo.sysjobactivity AS sja ...
-1
votes
0answers
18 views

?deactivate facebook for multi-site forcing reactivation site-wide? [on hold]

I am connecting to a remote mysql database of my wordpress-website using SSH and mysql-workbench, and have found "key 32228 - facebook activated - wp_databasetab3_changes_tracker". Can I deactivate ...
0
votes
0answers
14 views

ODBC Crash try add a DSN System connection

I get the following error: odbc administrator a problem caused the program to stop working correctly. The windows will close the program and notifies you if there is a possible solution I get ...
1
vote
1answer
37 views

How Automatic Failover Works (AlwaysOn)

I'm going to use AlwaysOn technology on my servers, but it's some unclear points in the documentation: Automatic failover looks like Primary replica (A) unaccessable Secondary replica (B) becomes ...
1
vote
1answer
29 views

Reasons for db2 foreign key error (-667) despite all rows appearing sane?

I have some csv formatted table dumps and loaded those into a new database with the tables defined by a DDL script from the source database (both acquired by somebody else so I cannot have a look at ...
-2
votes
2answers
44 views

Index is not used with same Query on two Servers

I have two notebooks with same specs (same model, only ram is 24GB/32GB, same ssd) and exact same database and same sql server version. SQLIO is 3300 and 3600. Now I run a query on one notebook and ...
0
votes
1answer
13 views

Why can't I access IIS Manager on my server with Reporting Services installed?

I have a Windows Server 2008 Server running SQL Server 2012 (including SSRS). I've noticed that the site is intermittently slow on first run, and found this blog post about the cause and how to fix ...
1
vote
1answer
36 views

Optimistic Paging and separate query for COUNT?

I am using SQL SERVER 2012 FETCH/OFFSET after searching a lot that this will give me the best performance. But for paging to work, I need a Total count. There are 2 ways to achieve this. 1) Paging ...
0
votes
1answer
22 views

Check for table corruption

I monitor MySQL databases by querying various things remotely. I recently came across an issue where by a table had become corrupted but I did not know about it until the daily mysqldump failed. Is ...
0
votes
1answer
72 views

Problem with mysqldump and view

When using mysqldump to backup MySQL, I got following error. mysqldump --all-databases --routines >> all.sql mysqldump: Couldn't execute 'show table status like 'hdkien'': SELECT command denied ...
1
vote
2answers
39 views

Order of maintenance plan tasks

Please could you tell me the correct order of maintenance plan operations in SQL Server? Check integrity Update statistics Rebuild indexes Is correct this order?
1
vote
2answers
43 views

Casting fails on subquery result

I'm in a bit of a pickle, I have to perform a query on a database with rather poor data quality. I am trying to evaluate a field which contains a date, but which was defined as a nvarchar. I thought I ...
0
votes
0answers
10 views

Slony-I creation scripts not available; only joining possible

I try to start Slony replication. I have PostgreSQL 9.3.4, PgAdmin III 1.18.1 and Slony-I 2.2.0-1. I have set the path to Slony to D:\GIS\PostgreSQL\9.3\share where I have the Slony files. Whenever I ...
0
votes
0answers
5 views

Mongodb: Waited too long for lock balancer to unlock

Mongo Version: 2.4.5 OS: Windows Server 2008 R2 Standard (Service Pack 1) We have a balancer idling for a day doing nothing (no recent records in changelog), holding a lock state 2. Tried to stop ...
0
votes
1answer
30 views

Which is faster in process time?

I have a script that uses aggregate functions many times, and that might cause the slowdown of my script. And I thought to simplify my script and do all the summation/addition/concatenation on the ...
0
votes
0answers
11 views

How to restore MongoDB production replicas from underlaying files of hidden replicas in case of human error?

When I have backed up files of my hidden replicas, how can I use it in case of human error (e.g. drop db, etc)? I mean, what I have to do to restore data from it? I probably should: stop balancer, ...
-1
votes
0answers
24 views

How to create batch file for database backup

I'm using Oracle 10g database. I want to create batch file for taking daily database backup that mean export dump. Help me to create batch file.
0
votes
4answers
30 views

SQL Server 2005 database log size increasing drastically? [duplicate]

My friend works in a company (pretty small in size) that is running SagePro ERP which has a SQL server 2005 database. Now the problem is, the database size (over the period of 7 years) has increased ...
1
vote
0answers
28 views

How to upload a PDF to Access database?

I have 100+ pdf files that I would like to load into an access database. When the pdf is uploaded, I would like for the data retrieved to update in an access form. How to do that?
2
votes
1answer
51 views

How to stop the execution of a long running insert query?

I've executed an INSERT INTO ... SELECT as a job on my MySQL instance and then I realized that number of records that is selected by the WHERE condition is more than my patience. It's already taken 12 ...
1
vote
1answer
44 views

SQL Server query disk write/sec limit

I am facing an issue which it looks like the server is hitting disk write limit. But after some test, I realize it wasn't. I was running the following query: DECLARE @MyCounter int; SET @MyCounter = ...
0
votes
1answer
17 views

MySQL query using left join on two inline views not returning rows without values in second view

For some reason when I execute the code below I'm only getting results back that have sku in both views. I thought this should give me everything in the first view and add the content from the second ...
2
votes
1answer
66 views

Can comments in stored procedures cause problems

We're running a webserver that calls stored procedures to compute complex queries. Using sp_who2, we've discovered a peculiar issue where an abnormal number of processes would be stuck on SELECT state ...
0
votes
0answers
16 views

Adding a new partition to the partitioned table is skipping the last filegroup

I have created one partitioned table and trying to add a new partition to that. I ran the following scripts to create a new filegroup and add a new partition to the table. But when I run the alter ...
0
votes
1answer
34 views

Create one-to-many to two fields in different table

I have a database where I am trying to figure out how to join a table that contains an object called ModelType. The calibration table contains two fields (EffModel and BkgModel) that are based on a ...
0
votes
0answers
13 views

Randomly failing SQL Server 2008R2 used by Access 2010 front-end via ODBC

From time to time (sometimes days apart, sometimes several times a day) users of a multi-user Access front-end, which has ODBC connections to a SQL Server back-end, see a variety of problems. Most ...
0
votes
1answer
16 views

Copy+Pasting currency value from SSMS 2012 to excel does not complete or calculate new value

So I'm trying to copy and past some query results into excel, and for some reason it seems to be not properly completing the first value. Let me explain what I mean by this. In excel the cells I am ...
1
vote
1answer
44 views

Optimizing a slow MySQL query

I'm trying to optimize a ~100GB database. All data values are in one single innodb table, is this bad? Here's what a common query looks like: SELECT `CensorCode`, `LocalDateTime`, `UTCOffset`, ...
0
votes
1answer
22 views

Is it faster to load several small files, or one big file?

We have a 26GB file that we have to load into an empty table. I was curious, is it faster to load nine 3GB files or one 26GB file? Or is there no difference?
0
votes
0answers
21 views

Table with multiple lookups

I bet this may be a duplicate and I'm not forming the question correctly, so feel free to point me in the right direction. Background We have a SQL Server with some legacy data. They're all ...
1
vote
0answers
21 views

What is a loose index scan?

I was reading that MySQL can not use an index on 2 range conditions due to not having a "loose index scan" What exactly does this mean? Is it related to the underlying or the implementation of the ...
1
vote
1answer
39 views

Unnest multiple arrays into rows

I have been shown a great way to bulkinsert with this example: WITH p AS ( INSERT INTO parent_table (column_1) SELECT $1 RETURNING id) INSERT INTO child_table (parent_table_id, ...
0
votes
1answer
18 views

postgresql being slow on count distinct for dates

I have a very simple, but very big, table. Its schema is like this (yadda int, yadda1 int, yaddate date, ... other stuff). Now, yaddate has an index by itself and it is also in other indexes ...
1
vote
1answer
41 views

Use of NOLOCK with CDC capture tables

In using SQL Server's Change Data Capture, I notice that the fn_cdc_get_all_changes_... table valued functions all use NOLOCK when querying against the capture tables. Is this a recommended practice ...
1
vote
0answers
21 views

Any way to speed up my queries in MariaDB with tables less than a 4 GB in size?

I'm doing some text mining work and a bit frustrated that queries are taking 6 to 10 minutes to run. My workstation has a 3.5ghz Xeon, 32GB of RAM, and 2 SSD as RAID 0. Is it possible to do ...
0
votes
1answer
26 views

Unable to Start PostgreSQL. kernel's SHMMAX parameter exceeded you limit

When I am trying to start my PostgreSQL I get the following error in the Postgresql.log file: FATAL: could not create shared memory segment: Invalid argument DETAIL: Failed system call was ...
0
votes
0answers
19 views

how to use joins in hierarchical queries

how to use joins in hierarchical queries my try SELECT cust_id AS child_id FROM customer c,cust_assoc_dnorm d on d.dsend_id=c.cust_id WHERE connect_by_isleaf=1 and ...

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