2
votes
0answers
106 views

SQL Server Full-Text Index with Stoplist

I've searched this site and the internet in general and can't find any information which answers my question, so I thought I'd post it here. I have Full Text search operating on a database in SQL ...
1
vote
1answer
262 views

Size of DB files

I am trying to optimize some settings on a SQL Server that talks to inhouse programs. I have read to size all DB files the same. I have a server with a 20GB data file, with the other 9 files being ...
2
votes
1answer
696 views

Optimize table and query, aggregate by date or date-hour

I have a table storing sensor data (100M rows currently) from stations from different sites. In my case, sites may have many stations. Create table statement is as follows: CREATE TABLE sensor_data ( ...
3
votes
2answers
136 views

Check entry based on entry in another column

Still fairly new to databases and SQL, so bear with me. I'm trying to check whether or not data can be inserted depending on data in another column, create table Table1 (PaymentType varchar(5) ...
1
vote
2answers
563 views

SQL Server 2012 is database name mandatory for logon?

is the database name mandatory SQL Server 2012 logon - like SERVERNAME\DBNAME ? On 2005 Server the servername for logon with Windows credentional has been sufficient. Thanks in advance, Tom
8
votes
1answer
5k views

Mapping of multiple server logins to one database user

This seems to be a stupid question but despite some research I was unable to find any information regarding this only (possibly due to using the wrong terminology). Is it possible to log multiple ...
3
votes
2answers
1k views

dbcc shrinkfile not reducing size of log file in sql server 2008

I am shrinking log file of SQL Server 2008 R2 database, but it is not working. I was using this code: ALTER DATABASE [database] SET RECOVERY SIMPLE DBCC SHRINKFILE(DATABASE_LOG, 20) ALTER DATABASE [...
2
votes
0answers
250 views

Does Oracle ADO.NET varchar parameter size influence query plan reuse?

I am considering to apply a fix which will generate constant parameter sizes for (n)varchar parameters. The application is based on NHibernate with the old OracleClientDriver (using Microsoft Oracle ...
1
vote
1answer
4k views

Tablespace resize in Oracle 10g

I'm trying to resize a couple of tablespaces but the following query is only valid in Oracle 11g. alter tablespace 2 DATAFILE '/appli2/oracle/xxx/oradata02/xxx_undo_01.dbf' resize 3g; In oracle ...
0
votes
2answers
2k views

Delete records from one table using join with another table? [closed]

Delete records from one table using join with another table. Ok, the mission is to delete all employee records if in the title of their department can be found word "sales". It can happen in the real ...
0
votes
2answers
98 views

Mysql replication from existing slave to new slave

I'm hoping you experts can help advise me, I've got this topology: Live DB(Master) ----> Backup Server (Master and slave) ----> Test DB Backup server is a slave of Live DB, and Test DB is a slave of ...
0
votes
0answers
51 views

What Index can I apply to a GROUP BY, MIN() and WHERE MySQL Query

I have the following table: CREATE TABLE `wp_prize_draws_log_copy` ( `id` int(11) unsigned NOT NULL AUTO_INCREMENT, `pid` int(11) NOT NULL, `entry_date` date NOT NULL, `entry_time` datetime ...
0
votes
1answer
307 views

Does Oracle Partition by Reference optimizes join queries

Oracle 11g has a new feature in partitioning tables called partition by reference. I want to know whether Oracle joins (nested-loop-joins or hash-join or ...) rows from proper partitions when joining ...
0
votes
1answer
3k views

Undo tablespace full, how to free it

My undo tablespace is full after some modifications. Las column is % of space used. xxx_undo_01.dbf UNDO 2147483648 16777216 2048 2032 16 0,78 99,22 Now i cannot execute any query ...
0
votes
1answer
636 views

MySQL: Procedure for mysql certification

I have keen interest in database and since start of my career I worked only in MySQL. But, I have not any professional certification related with MySQL. I have below concerns for certification: Any ...
0
votes
1answer
273 views

How to model complex database role relationships

The purpose of my application is the creation, viewing and editing of articles. The problem I have is that users will have different roles for an article or group of articles. In addition, the role ...
4
votes
1answer
31k views

SQL Server is configured to allow remote connections

I use SQL Server 2012 and SSAS Tabular Mode (My Instance Name Is MSSQLSERVER2012T) Then I download AdventureWorks Tabular Model SQL Server 2012 From This link I open it with Visual Studio 2010 and ...
1
vote
0answers
56 views

What's Scalar Operator in the plan?

I have a doubt. What means this Scalar Operator in the print below? I've been investigating our database cause we have severals RESOURCE_SEMAPHORE_QUERY_COMPILE . I've seeing a lot of queries using ...
20
votes
2answers
22k views

Superuser is not permitted to login

I created a superuser portal with the following command create role portal with superuser password 'portal' When I tried to login into postgres with portal user I am getting the following error in ...
4
votes
1answer
1k views

Prepared statement execution with variable number of parameters to be bound

Some stored procedures I work with need to interpolate WHERE criteria based on if procedure input parameters have been supplied. To avoid potential injection points, I'd like to utilize parameter ...
0
votes
1answer
91 views

pg_dump inserting C source code in dump file

Am backing up daily my DB with pg_dump. The strange issue is that when I try to restore it with psql, errors are thrown. After opening the dump file with vim and analyzing the line that is causing the ...
0
votes
0answers
102 views

Backup is getting failed with following error

Msg 3202, Level 16, State 1, Line 1 Write on "\w-mum-fp\SQLBKP\Weekly-FL\Interactions_26_01_2014.bak" failed: 1130 (Not enough server storage is available to process this command.) Msg 3013, Level ...
4
votes
1answer
3k views

How to configure replication from PostgreSQL (RDS) to vanilla PostgreSQL?

I have an Amazon RDS Postgres DB and I created a "replicator" user and granted it the "replication" privilege. db=> create role replicator login password 'something'; CREATE ROLE db=> alter ...
1
vote
1answer
6k views

Using count in triggers to update another table

Say i have a table called trx_request with the following data id | confirmed(TIME) | finished(TIME) ------------------------------------- 1 | 12:05:00 | NULL 2 | 13:11:00 | NULL and ...
2
votes
1answer
353 views

Why should the most restrictive condition be listed last in the where clause?

The book I'm going through has given a rather poor explanation of why exactlt to place the most restrictive condition last in the WHERE clause. Say that we have Query 1: SELECT COUNT(*) FROM ...
1
vote
2answers
4k views

VBA Maximize Access Application Main Window

I need my access application window to open up in full screen. I have tried using: DoCmd.RunCommand acCmdAppMaximize and DoCmd.Maximize (which I think only maximizes a Form). Neither is working ...
1
vote
2answers
569 views

Copy On Write Transparent database for MySQL

It is possible to create a transparent database to another production database server? I mean, testing new functions in a production database is too dangerous. What if we create a database which based ...
0
votes
1answer
125 views

Is it possible to have a unique key condition based on another value?

I have a table with the following columns: ID, STRING_VALUE, ENUM_VALUE, CATEGORY_IDENTIFIER I'd like to create a condition that won't allow two identical ENUM_VALUEs, but only if their ID is also ...
1
vote
2answers
153 views

Change all datatypes in a table

I'm migrating a database and i need to change the "container", i don't exactly how to name it. I give an example to keep it clear : old base: VARCHAR2(20 BYTE) new base: VARCHAR2(20 CHAR) I can ...
2
votes
0answers
137 views

Disabled index still incurs overhead when inserting

I have a 38 million row table that I periodically truncate and refill. I disable the indexes (non-clustered) when I do this. But when I included the Execution Plan I noticed SQL Server 2005 is still ...
6
votes
1answer
210 views

2008R2 Cannot Disable Non-Clustered Index

We have identified a handful of superfluous non-clustered indexes and I would like to disable them for a few days before straight dropping them. However when using the GUI in SSMS (right click > ...
1
vote
2answers
2k views

c# Backup sql server database, error Operating system error 5(Access is denied.)

I have been trying to backup an sql server database, and I understand that this error is in regards to drive write protection. I am at the end of my rope with this, as nothing that I have found online ...
1
vote
0answers
555 views

MySQL Space efficient way of storing indexed key-value pairs associated with table

We're storing transactions in an accounting system using two tables, one contains the general description of the particular transaction (the other contains the entries, one for each account - which ...
0
votes
1answer
1k views

Postgres 8.3 faster than 9.3?

Our software product currently ships on Windows 7 with Postgres 8.3 as its database. On a busy site, there may be 24 automated systems generating 100 rows (x100 columns) per minute, with 3-10 human ...
1
vote
0answers
118 views

Differential backup job is working but not the Full daily backup

I have a full backup job for my database that runs once daily, I see it posted daily in the folder that it should go to, but when I check the "View History" for this job in SQL Server Agent, there are ...
1
vote
0answers
896 views

SSRS 2008 report fast in test, slow in production: parameter sniffing problem?

We recently had an issue with reports running in an integrated SharePoint environment where the report runs fine in development, test and staging, but very slow (times out) in production. Running ...
0
votes
1answer
944 views

What is ag(always on) and fci(failover clustering) databases in sql server 2012? [closed]

I found an article from http://msdn.microsoft.com/en-us/library/ff929171.aspx. But I need simpler and better explanation. Can someone explain to me what they are and when you need it and why you need ...
2
votes
2answers
187 views

Partition : understanding files and file groups

We are trying to partition a large history table. Being new to partitioning, I was trying to understand the concept of files and file groups. File groups can be set up in following three ways : 1. ...
2
votes
1answer
63 views

Can we tell dbcc to ignore subnormal real values?

Currently dbcc DATA_PURITY complains about subnormal real values in some of my columns, such as 7.561407E-42. I would rather keep them in my tables, and ask dbcc to ignore them. I am OK with the ...
0
votes
1answer
180 views

Find unauthenticated connections to MongoDB

I have many services and users that connect to MongoDB and now I need to switch on authentication. I have created some accounts and tried to ensure most users/services are now using accounts when ...
0
votes
1answer
98 views

Proper drive partitioning in Linux for Oracle

I have a current production physical server running on RHEL and I'm going to be building a new Oracle Linux VM to take it's place. Below is a listing of the existing physical drive partitions. Can ...
0
votes
0answers
308 views

Storing nationality options

We have a table for countries, using ISO 3166-1 standard, also languages, using ISO 639-1. Now we need a table for nationalities, but I can't find a standard for abbreviating or indexing them. ...
2
votes
1answer
484 views

How does Oracle 10g use indexes?

I have table called result: CREATE TABLE result (id_graduate NUMBER NOT NULL, id_sml NUMBER NOT NULL, last_update DATE NOT ...
0
votes
0answers
2k views

sqlldr: command not found

I have a script which has this command 'sqlldr' which gives me the error sqlldr: command not found when I run this script. I googled and found that people say that this command should be there in my $...
1
vote
2answers
122 views

Wrong index used in Postrgres

I have Postrgres 9.3 running on a Linux machine with 32GB RAM. I have a fairly large database (some tables with approx. 1 mil. records) and I have the following query: SELECT * FROM ( SELECT DISTINCT ...
4
votes
1answer
1k views

How to correctly return a query result only if it isn't NULL?

I'm writing a PL/pgSQL function that creates a cursor for a query that I need to check whether it returns something. What I'm doing is this: Run the query Check whether it returns something. If it ...
0
votes
2answers
571 views

Slow insert - 300+ Million Records

The following query takes over an hour on the table to insert. There are no indexes. There was one which was deleted but still takes an hour after deletion. Any pointers on improving this ...
0
votes
1answer
1k views

How can i deploy ssrs report one server to another server [closed]

When I create a sample ssrs report and I deploy it, I get the following error: The specified report server URL http://localhost/reports could not be found. verify the syntax of the URL and that ...
3
votes
1answer
36 views

Single user mode when was configured

I'm trying to find when a database on our instance was configured as SINGLE USER MODE but can't find that information. Either using tsql or the GUI. Maybe it is not possible to know that information? ...
0
votes
2answers
5k views

How to add an article to existing replication

This is the first time I am going to add tables to replication. I have outlined the below steps to add a new table to existing replication. Please correct me if I am wrong. The table is just created -...

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