16
votes
4answers
42k views

Sql Server Maintenance Plan - Best Practices on Tasks and Scheduling

I am tasked with devising a maintenance plan for our Sql Server 2005 databases. I know for backups I want to do a daily full database backup and transactional log backups every 15 minutes. My problem ...
0
votes
0answers
12 views

Delete and merge duplicate records from joined tables?

Im trying to delete duplicate records from the output of the query below, if they also meet certain conditions ie 'different address type' then I would merge the records. From the following query how ...
2
votes
2answers
2k views

How do I add a MySQL linked server to SQL Server?

I am trying to add a linked server on SQL Server to MySQL Server. Note the SQL Server is installed on a separate machine with a different domain name. The SQL Server is 10.0.1.1 on old_domain.com. ...
0
votes
1answer
39 views

Using CREATE TYPE within Stored Procedure Call

I have a SQL Server 2012 database, and I generally use stored procedures that belong to a role with grant execute permission. I just created a stored procedure (sp1) that calls another stored ...
1
vote
1answer
28 views

2 Date Ranges - How many days from one range excluding weekends overlap

First - Thanks for your help. I'm looking to create a query in SQL that provides the me the # of days from one date range that overlap another date range and excludes weekends. Example Data: ...
2
votes
2answers
34 views

SQL Insert Statement Persists Two Records When I Need Just One

I have altered it to include hardcoded variables when I pulled this chunk of code from the stored procedure. I ran it independent of the application with the same result. I need one insert statement ...
0
votes
1answer
6 views

SQL Insert Statement Persists Two Records When I Need Just One

I have altered it to include hardcoded variables when I pulled this chunk of code from the stored procedure. I ran it independent of the application with the same result. I need one insert statement ...
1
vote
1answer
86 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
1answer
40 views

Retrieving month from date field in my database

i have dates stored in database with the function : CURDATE() , when a user makes an order . Now with a form where the admin chooses the month and the year , i want a query to display all the orders ...
2
votes
0answers
35 views

Database is happily available even during log growth?

I’ve been creating a process to go through all our databases and analyze the log structure, backup, shrink, and resize appropriately taking operational requirements and VLF sizing/amount into account. ...
3
votes
2answers
335 views

MySQL runs out of memory when importing innodb database

I have a small VPS with 512MB RAM and no swap (can't have any). I am importing a 1.5GB innodb database with mysql -u -p < database.sql Before the operation can finish it says : Lost connection ...
1
vote
2answers
26 views

Upgrading hardware for MySQL. If we get SSDs, are CPUs likely to become a bottleneck

We are upgrading hardware for a MySQL database server (DB is around 200GB). We're getting 4x Samsung 850 Pro SSDs and are planning to run them in a RAID10 configuration. Also, 128GB of RAM. The ...
1
vote
1answer
44 views

Does a database backup reduce size/increase free space of the log file?

Novice question, sorry! Got a SQL Server database and the log file is massive and keeps growing every day. I've archived data from the database and then done a full backup. I was expecting the log ...
0
votes
0answers
19 views

Optimizing query - understanding explain

I've got a query (partly generated by django orm, but can be modified). For some reason, It's very slow (between 1.5 -3 seconds, without having lots of data on the system) . I've got an "explain" ...
3
votes
1answer
25 views

Disabled SSL on SQL Server, now connection fails

I have a customer that is worried about the latest SSL vulnerability POODLE. They have a utility (IIS Crypto 1.4) that disables SSL 2.0-3.0 on the servers they run it on. They have disabled SSL on ...
0
votes
1answer
440 views

How to add FK on a column of composite type in PostgreSQL?

I have a table which contains a composite type and I am trying to connect a column of it to another table's PK. CREATE TABLE aaa (col1 SERIAL PRIMARY KEY); CREATE TYPE bbb AS (col2 INTEGER); CREATE ...
0
votes
0answers
10 views

Too many keys specified; max 64 keys allowed org.hibernate.tool.hbm2ddl.SchemaExport

I am using hbm2ddl to create a MySQL 5.6 database. There are reasons why certain tables need to share keys with large numbers of other tables. For example, one table represents a datatype, which ...
0
votes
1answer
55 views

Encrypted Connection on Sql Server

I want to make SQL server connection encrypted. Well I know for that we need some certificate and all and it is not like that I am asking without trying any thing, but the fact it whatever I try it is ...
0
votes
1answer
27 views

Can't start MySQL server because of wrong file permissions?

I'm trying to start the server and then fix the root user by $ mysql -u root mysql $mysql> UPDATE user SET Password=PASSWORD('my_password') where USER='root'; $mysql> FLUSH PRIVILEGES; But ...
0
votes
1answer
23 views

Importing CSV file using SQL Server Import and Export Wizard (SQL Server Express)

So I am having a heck of a time importing a CSV file. The ultimate goal is to create a repeatable process to import the file. The only way I've been able to import the file is in a roundabout way ...
0
votes
0answers
4 views

PostgreSQL 9.3 give: “Wrong affix file formate for flag” loading dictionaries from LibreOffice

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
2answers
49 views

Can I stop a SQL database backup after it has already started?

I am looking to do a full database backup of a SQL database in SQL Server 2008. My questions are: *Can I stop, pause, or cancel the backup after it has started if it is taking too long or slowing ...
0
votes
1answer
11 views

pg_get_viewdef error while running pg_dump in PostgreSQL

Occasionally, I get the following error while doing a simple pg_dump ( pg_dump -U postgres -Fc -f mybackup.dmp mydb): pg_dump: [archiver (db)] query failed: ERROR: could not open relation with OID ...
1
vote
1answer
98 views

Proper implementation of child (derived) table PK/FK during single and multiple inheritance hard coded generalization physical data model

Below is an image of hard coded generalization UML logical model of entities. I'd like to implement these classes as tables in a physical data model. Two derived classes/entities (Class2 and ...
2
votes
1answer
58 views

When is mariadb creating tmp tables?

I have found, that copying to tmp table is taking most of the time of a slow query, that I wanted to optimize. I watched the output of 'profiling' in a terminal. This happens on a pics table with 6000 ...
0
votes
1answer
20 views

Measuring DB time of application using SQL Server Profiler

I have an application residing on the same host as a SQL Server database. There is a scenario in which this application is slow and due to co-existence of IIS and SQL Server, I cannot get which one ...
2
votes
1answer
23 views

Error during SQL Server 2008 R2 SP3 upgrade: MODIFY FILE failed. File 'MSDBLog' does not exist

I have just installed SQL Server 2008 R2 SP3 and after installing it and trying to start the SQL Server instance again, it won't come online. In the SQL Server error log I can see that the following ...
0
votes
1answer
27 views

Database state set to an earlier state before creating new indexes

This is a remote server (SQL Server 2008). We are trying to get benchmarking of some stored procedures. One stored procedure was taking avrg 44 seconds, we have checked this approx 20 times for a ...
0
votes
0answers
9 views

Are there any minimal sqlite extensions for running a server with role based access control?

I need to run an SQL server with role/user based access control in a very resource limited environment. Are there any extensions or open source projects for sqlite to provide this functionality? ...
0
votes
1answer
18 views

Trying to combine one row from one table with mulitple rows from another table but not sure if I'm doing it right?

The Situation I have two tables unit and unit_translations defined as: CREATE TABLE `unit` ( `id` int(11) NOT NULL auto_increment, `title` varchar(255) NOT NULL COMMENT 'Title of unit', ...
0
votes
1answer
43 views

what is running VSS on my server

Client's SQL Server farm DBs are backed up by third-party tool that does not use VSS. About half of the instances show backups being made by some tool that is using VSS. I can disable SQL Server VSS ...
2
votes
2answers
91 views

How to detect DBCC ShrinkDatabase completion percentage?

Recently we have archived some of data from one of very large production database and need to shrink all data files to reacquire disk space. Problem is that its taking too much time and we are ...
0
votes
1answer
16 views

Can't map invalid columns based on column names in a .dtsx-Package

I have the following problem. I currently have to modify a .dtsx-Package which was originally created by a coworker who is not arounf anymore. This package contains some logic but above all it does ...
1
vote
1answer
17 views

Converting 'False'(string) to False(boolean) During LOAD DATA LOCAL INFILE

In MySQL is there anyway of loading "False" into a boolean column. While loading data in table having boolean column and where data is in "True" or "False", it gives warning of: "Incorrect integer ...
2
votes
1answer
98 views

Performance impact of Extended Events filter [like_i_sql_unicode_string]

I have created an extended events session in which I wanted to see all queries using nolock hint. I have decided to use it instead of sql trace in order to minimaze possible performance impact. ...
3
votes
1answer
57 views

Need help with a Running Total Issue

Using SQL-Server 2008 R2 and Report Builder 3.0 Here is my query without the running total column: SELECT CostManagement_CommitmentDetails.Id ,CostManagement_CommitmentDetails.LineNumber AS ...
0
votes
1answer
68 views

How many LEFT JOINS make a VIEW unusable?

I have a view which involves LEFT JOINS on 20+ tables to a base table but when querying this view and looking at the execution plans I am getting something totally unexpected. For example, with the ...
1
vote
1answer
278 views

Does MariaDB-Galera Cluster support LAST_INSERT_ID and mysql_info?

As far as I understand, Galera does not support table locking, but what information can be retrieved about the last query? LOCK/UNLOCK TABLES cannot be supported in master-master replication. Lock ...
0
votes
3answers
60 views

Is there a faster way to get UNION ALL behavior in Postgres?

I have a table (t0), in my Postgres DB, with data that looks something like this: t1_id t2_id 1 1 2 1 2 1 4 null 4 null 5 null And I have a query to return my ...
0
votes
0answers
8 views

Oracle SQL Loader - BULK UPDATES

Can SQL loader be used to do bulk updates? I have a table that holds customer information. The table has a primary key and it has 5 columns pertaining to the customer. Now we created three more new ...
0
votes
0answers
19 views

Problem with procedure performance

I'm having problem in Oracle, where I have two procedures that are executed one after the other. Where the first procedure, I have a cursor that does insert into a table. This insert has about 30 ...
6
votes
2answers
2k views

Transaction Log maintenance on Mirror database

SQL Server Version: 2008 R2 Enterprise SP2 I am trying to get a handle on our SQL Server maintenance and I came across something I think is incorrect. We have a single production instance with 3 ...
0
votes
1answer
109 views

Save and restore specific tables

in an Oracle 11.2 Database, Enterprise Edition, we are running calculations divided into 3 different "modules". These modules can be started on their own, but not parallel, so in between users are ...
0
votes
2answers
27 views

How to allow remote connections to mysql from specific IPs only?

I have a fresh install of mysql server 5.2.6 on a 64 bit Ubuntu running on a remote server with static IP. Is there anyway to allow Mysql remote connections to be made from pre-approved IPs only? I ...
0
votes
3answers
31 views

Converting huge ASCII file to flat and convert

I am not a db administrator but I thought to ask this question here. I have several very large ASCII files (3-5GB each) that I need to extract the data and then sort it. The instructions say to ...
1
vote
3answers
337 views

Which one is better performance and (approach): store as rows or as a varchar column

OptionA: TableA: TableA_ID (PK,int) .. TableB: TableB_ID (PK,int) .. TableC: TableC_ID (PK,int) .. TableD: TableA_ID (FK, int) TableB_ID (FK, int) TableC_ID (FK, int) (Nullable) ...
3
votes
1answer
680 views

Set simple recovery mode and shrink log files for all user created databases

I hope you can point me in the right direction. I'm not a frequent user of T-SQL, but I did some googleing, and found the script below. I corrected the script a bit. I want the script to: To select ...
1
vote
1answer
492 views

“ERROR: could not read from config file” MongoDB

I'm trying to configure MongoDB in OS X Mountain Lion. I've installed with Homebrew; I have followed lots of tutorials, but I have got an issue which I haven't been able to solved. The issue is about ...
0
votes
0answers
25 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 ...
0
votes
0answers
3 views

Choose prefered node for IST in Percona XtraDB Cluster

Percona XtraDB Cluster 5.5. Is it possible to use only selected donor node for IST? Like wsrep_sst_donor option for SST.

15 30 50 per page