DO NOT USE this for questions targeting Microsoft SQL Server, use the tag sql-server instead. "SQL" is an acronym for "Structured Query Language", it is used in relational database management systems (RDBMS) to query, update, delete, and insert data as well as modify the structure of the database. ...

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353 views

What is causing all of the msrepl_tran_version columns to become out-of-sync between locations in transactional replication setup?

I have been having a recurring issue with transactional replication setups at the firm I work for. We use SQL 2008 R2. Seemingly without warning or any replication errors, all of the ...
2
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0answers
120 views

sql data to a csv-file via cobol

I 'm using the following code : string 'insert into ' delimited by size 'tgamGameTeams ' delimited by size '(Id,Name,RemainingBudget,TeamGamePoints,GameId) ' ...
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14 views

creating deadlock for distributed database in mysql-(Testing purpose)

I need to create a deadlock for distributed database in MySQL for testing purpose with a simple sql query(without front end), can anyone good with MySQL query help me out in this with sample query. ...
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0answers
20 views

how to disable and enable SSIS package using commandline?

I have a scenario where SSIS packages are deployed at the customer's site and they have some data issues. Because of this we are developing new packages to fix the corrupted data. When my new ...
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0answers
58 views

Getting count of visits for multiple different outlets

I'm trying to get the distinct count of id that visited different outlets. I have more than 50 outlets so I don't think I can use the IN operator. CREATE TABLE transact ( year int NOT NULL, card_id ...
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0answers
24 views

How do I cast a varchar to Bigint in DB2

I have a field which is varchar(25) and I need to create a join between that field and a field that is a bigint So I guess I need to convert the field into bigint aswell but it's giving me some ...
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0answers
14 views

Explain unexpected result in MATCH () AGAINST ()

I have a database with a fulltext column name. I made a query SELECT name, MATCH (name) AGAINST ('breaking bad') AS score FROM files WHERE MATCH (name) AGAINST ('breaking bad'); So that I can see ...
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25 views

Best practices to segment people and attributes for advertising database

we have a database where we store people some attributes per person in the following tables: people (id, name, email, phone) people_attributes (id, person_id, attribute_name, attribute_value) ...
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31 views

Moving Large Tables and All Indexes to a new File Group

I'm looking at implementing File Groups on an existing database that's roughly 600GB. The largest hurdle I have is actually setting this up in production. I need the database to still be available but ...
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0answers
76 views

Strange IO stall values in sys.dm_io_virtual_file_stats

Values for io_stall_read_ms seems to be higher than actual run time for query. The setup: create database filestats; use filestats; create table t1_primary( a int identity ,b int ,c ...
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52 views

Is there a way to improve this query further?

I've got a query that over time I've been improving. Originally it simply selected * from the records table, and the data was formatted on the webapp side. But that was slow and I wanted to make ...
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0answers
22 views

SQL - Optimize table population with dynamic queries

I need to optimize the following pl/sql procedure. So, fundamentally my question is: There is a way you can do a bulk insert in a pl/sql that could be more efficient than loop through an associative ...
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0answers
20 views

Poor performance filtering mysql spatial join

First of all, sorry for the crossposting. I ask this question in stackoverflow and they sent me here I have a mysql table with spatial references (GEOGRAPHIC_FILTER), like cities, countries, natural ...
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65 views

Simple avg query on large table much slower in PostgreSQL than SQL Server

I have a database with three tables items, parameters and measurements in both servers and want to query the measuerment table. But the query is much slower in PostgeSQL (9.4) vs SQL Server (2012). ...
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33 views

Deleting already duplicated Filestream Files

I have three FileStreams (FS1 on F drive, FS2 on H drive, FS3 on E drive) belonging to the same FileStream group of one particular database (DB) which is in Simple recovery mode in the SQL Server ...
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23 views

Removing Orphan Pull merge replication subscriptions

I have a merge replication set where I have removed one of the pulled subscriptions. On the subscriber the subscription shows up after deletion. It will not go away. I tried the methods provided on ...
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0answers
61 views

Are there limits to SSRS 2014 RDL files going over to SSRS 2008 (or 2012)?

Is there any incompatibility with reports developed in SQL Server SSRS 2014, and then exported to .RDL files that will be imported into SQL Server 2008?
1
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0answers
45 views

Is it bad practice to launch more than 100 sql statements at once?

I have PHP code that is meant to updating the billing status of someone. I only want it to update if the bill has been successfully created and therefore I think a possible solution would be to ...
1
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0answers
35 views

finding out the Backup set physical name

I created a maintenance plan to back up two user databases and system databases over a month ago. I queried the msdb database to view the size of the backups using the following query. SELECT ...
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20 views

Simplifying UNION query that looks for duplicate names

create table sections( id serial, section_name char(255) not null, version_id int not null ); create table section_versions( id int primary key not null, version_name char(255) not null ); ...
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24 views

Error when creating Trigger (PostgreSQL 9.4)

I created a table 'Company', and I want to create a trigger so a company can only present in one city, but it can be present in several different cities in the same country. For example, there's only ...
1
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0answers
54 views

Defragmentation of SQL Server 2008 indexes

I hate asking this question, but I am having issues defragmenting indexes. I keep using the various defragmentation methods for defragmenting a SQL Server index such as DBCC INDEXDEFRAG and DBCC ...
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0answers
109 views

Backup and FTP SQL Server databases

We plan to backup our SQL Server 2012 databases every night, FTP the backup files to our test servers and restore them. Then deploy the latest schemas to those databases. The reason for this is so we ...
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0answers
56 views

Does partitioning help if you don't query on the partition value?

Say I have an orders.Order table that is partitioned on CreatedWhen (a datetime column set to GetDate() when the row is created). The table has over 10 million rows and the partition is quarterly ...
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49 views

Is there any way to improve this code?

SELECT tblstud.studid, tblsched.ip FROM tblstud LEFT JOIN tblstudsched ON (tblstud.studid=tblstudsched.studid) LEFT JOIN tblsched ON (tblstudsched.schedid=tblsched.schedid) ...
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202 views

SQL Agent After installation not able to start

SQL Server 2012 SQL Agent will not start after installation. Checked permissions, on surface configurations, all OK, have tried to run it as another account no Joy. The error i am receiving is the ...
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0answers
37 views

adding a new partition takes a long time

I am adding a new partition and it takes too long to get this task done. ALTER TABLE attribute_usage_information ADD PARTITION ( PARTITION AUI_2015001 VALUES LESS THAN (735964) ) I am new to MySql ...
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0answers
18 views

Can MySQL Index Merge an Composite index with a single column index?

I am tuning a query and currently have an index as following : Index 1 : (col1, col2) An example query would be : SELECT * FROM t1 WHERE col1 = '1' AND col3 = '2'; I have created an index on ...
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0answers
78 views

I can't divide 2 count(*) values without returning zero

The statement I'm using is for a KPI in Maximo and I currently have this statement: select (select count(*) from incident where incident.slanum = 'USERADMIN' and incident.actualfinish > ...
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45 views

Delete Query throwing warning db2

I am trying to delete multiple records from view The view has Instead of Trigger defined .. The view has records consolidated from multiple tables. [db2inst1@testServer001 ~]$ db2 "delete from ...
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0answers
24 views

CHKDB is marked RESTORING

I am seeing this in my Microsoft SQL Server 2008 R2 (SP1) database log: The database 'CHKDB_dbname' is marked RESTORING and is in a state that does not allow recovery to be run. This occurred ...
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0answers
63 views

Non clustered indexes

I have a questions on Index Our Application is throwing the following SQL eroor Index 'INDEXNAME' on table 'dbo.TABLENAME' (specified in the FROM clause) does not exist. Error: Unknown Error ...
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0answers
33 views

Did I Properly Diagnose That It's Not A SQL Server Issue?

We have a job that populates about 450,000 rows nightly in an update/insert job via a stored proc nightly. The .Net app pulls in data from a noSQL DB via an API call then pushes it out via a stored ...
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0answers
27 views

Enforce referential integrity for FriendRequest table that has UserA and UserB

I have a table called User that has UserName as a primary key. I want to establish a relationship with enforced referential integrity between User and FriendRequest. FriendRequest has the following: ...
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0answers
197 views

SQL SERVER 2005 slow Performance on Windows Server 2008

Recently i have upgraded my server to new one. But because of compatibility issues with my old Windows Server 2003 R2 32 bit, I have also upgraded it to Windows Server 2008 R2 64 bit. (i have ...
1
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0answers
37 views

Veryfing integrity of custom order column with pure SQL

I have two tables, one stores structure (using so called parent field), the other entities that can be embeded into that structure. As certain level of structure can contain both entities and deeper ...
1
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0answers
22 views

Clustered Column store table Delete error

I am getting the below error when we tried to delete records on clustered column store table using OPENDATASOURCE. DELETE TOP (1) OPENDATASOURCE('SQLNCLI','Data Source=Server Name;Integrated ...
1
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0answers
22 views

reports on history table

Assume Trucks which travel between Cityies. I store the Cityies that a Truck has traveled to in TruckLocationHistory table, if the Truck is passing the City, State = Passed and if it gonna stays for ...
1
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0answers
37 views

How to query sum all the wins of each team

Matches ID| radiant_name | dire_name | radiant_win 1 | LV | LGD | true 2 | LGD | LV | false 3 | LV | LGD | false 4 | LV | LGD | false ...
1
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0answers
21 views

MySQL - Transactions and causality

I'm new to MySQL's LOCK and TRANSACTION and have a question about different isolation levels of a transaction: Given two transactions executing the same code (auto-commit is false): (1) get data of ...
1
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0answers
72 views

Handling SQL updates for production deploys

I'm researching for quite a long time now (about two months) and haven't found a good approach for this, so I'll ask you experts out there in the hope of some enlightenment. I run a pretty ...
1
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0answers
74 views

Optimizing SELECT queries

I'm not very experienced with database query optimization. I've been reading through similar questions here and Postgres tuning articles online, but unfortunately I haven't had any luck. Here's what I ...
1
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0answers
49 views

MySQL not using multicolumn index on self join

I'm trying to optimise a query that performs an inner join with itself. The table size is currently 10GB ~50 million rows. /* Count all occurrences between start and end site id of a given speed ...
1
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0answers
87 views

MDF/TempDB Growth, SQL Server 2005 Enterprise

Here's my scenario: SQL Server 2005 Enterprise Records from Database A being added to Database B Size of Database A MDF file: 3.15 GB I have separate drives for Data, Logs, and System. I ran a ...
1
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0answers
139 views

How to represent directed graph with multiple parents?

http://dirtsimple.org/2010/11/simplest-way-to-do-tree-based-queries.html provides an algorithm for inserting and deleting from a Closure Table. I'd like to model a similar data structure, except that ...
1
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0answers
89 views

DB Design: Looking for Performance improvement with a Column used in all SQL Queries

I recently got added to a new ASP .NET Project(A web application) .There were recent performance issues with the application, and I am in a team with their current task to Optimize some slow running ...
1
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0answers
33 views

Oracle - physical writes to an index

We have a large UPDATE (affects about 200K records) on a huge table (80M records). Due to a coding mistake, the UPDATE updates the same set of rows (200K) all over again with the exact same value. ...
1
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0answers
413 views

Connection to SQL Server failed. A network-related or instance-specific error occurred while establishing a connection to SQL Server

I'm getting this error while trying to connect to sql server. Now this never happened before and it's really annoying. I found out in my sql configuration manager that SQL server service has stopped ...
1
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0answers
80 views

Implementing a functionality for processing heavy insertion

I use PostgreSQL 9.1. The scenario is: I receive heavy insertion into Table1 (about 100 rows per sec). For each new row, I have to check the previous and next row of the source table if those are ...
1
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0answers
42 views

Low batch Batchrequests/sec

I am running this query to do massive deletion in my database. I am looking at Batchrequests/sec and it is quite low (like 15% of what my server can handle) Is there any way to rewrite this query to ...