2
votes
0answers
45 views

TSQL Generic Row number theoretical question

To start, We have a pretty complicated system that's been a compilation of over 20 years of code... And the code needs to work with SQL2005 all the way to SQL2014 (can't use the offset Fetch Next) ...
2
votes
1answer
24 views

Getting Dates In Range Into Table

I have a calendar table that shows all dates from 01/01/2015 to 12/31/2016, essentially the calendar shows the date and isworkday. I need to be able to pass a begindate and enddate to a stored ...
2
votes
1answer
64 views

Memory Table and Disk Table

I'm running a pretty big (or maybe I should call it SELECT & INSERT-intensive) database. Now I've heard here and there that a MEMORY-based table is better for my situation (since I now run on a ...
0
votes
1answer
31 views

Altering failed job email

I'm looking for a simple solution: if you have a job with multiple steps and one step fails but the job is set to continue, is there a way for the SQL Agent email to say which step(s) in the process ...
1
vote
1answer
48 views

Partitioning a table on a column in another table

I have a fact table called FactAccount which has the following columns: AccountId (identity) AccountMonthId - FK referring to DimMonth AccountYear The DBA has done the partitioning on the ...
3
votes
0answers
9 views

Cluster of Clusters (Not using MySQL-Cluster)

I'll start with an apology, I'm an Ops guy at heart, not a DBA, so I may use the wrong terminology, not in an effort to annoy, merely because I don't know any better. OK, that over with, on to the ...
5
votes
2answers
84 views
+50

Can't get databases or its objects with powershell

I have Powershell installed both in my server and development pc. In my dev machine apparently have a most recent version of PowerShell installed or some its components of SQL Server 'sqlps'. My ...
1
vote
2answers
57 views

SQL Server Concurrency Issue [on hold]

We have a SQL server concurrency issue we are facing and would like some ideas on how to solve it. There are several procedures we have written the contain INSERT/UPDATE statements on tables in a Set ...
0
votes
0answers
32 views

While querying view using linked sever getting error as “Requested conversion is not supported” [on hold]

While querying a view using linked sever getting below error as: "Requested conversion is not supported." OLE DB provider "SQL11" for linked server "DB_SQL" returned message "Requested ...
1
vote
1answer
55 views

understanding ORA-01792 maximum number of columns in a table or view is 1000

We've recently migrated a server from Oracle 11 to Oracle 12c and ran into a few annoying issues. One of them is that a few a reports give the following error: ORA-01792: maximum number of columns ...
2
votes
0answers
22 views

Does Disabling Page Level Locking Have an Adverse Effect on Other DBs

I got the following from a vendor about what their software (“IM”) needs: “IM needs its own SQL Server Instance if the DB is installed on a shared SQL server. This is a mandatory prerequisite because ...
2
votes
0answers
72 views
+50

How to Replicate data between a hosted database and a local database

I have a Cloud hosted Database, maintained by a different company. Here is my scenario: Cloud Hosted Database SQL Server 2012 - Need to connect through a VPN. We setup a local Server with with ...
0
votes
2answers
50 views

SQL With Multiple Condition and Column

I have 3 tables: Employee +----+--------------+--------------------+----------------+ | Id | EmployeeName | EmployeePermission | Position | ...
0
votes
2answers
41 views

Query that finds the oldest driver

Given two tables: driver=(d_id,name,gender,birthday,address,country) event_list=(o_id,d_id,odate,oplace) The event list table represent the driving violations of the driver , o_id is the violation ...
0
votes
1answer
36 views

Retrieving most recent X rows for each given user from a table

We've got a seemingly simple query that's running extremely slowly, but I can't quite figure out the best solution to the problem. The scenario is as follows. We have an inbox table, which has the ...
7
votes
6answers
877 views

Fast reads without paying the price on writes

We have a large append-only table containing financial transactions. On average 1000 transactions are inserted per minute. Since there are now more and more usecases where we actually want to read, ...
3
votes
2answers
38 views

Modify linked server definition (Oracle) in SQL Server 2012

I have created a linked Oracle server in SQL Server 2012 using Oracle Provider for OLE DB and TNSNAMES.ORA (the Oracle database is clustered and, as far as I know, no other connection method works ...
3
votes
1answer
80 views

How to show rows with 0 without any records in database

I have a lot of record in my database and for data analysis, I need to show count of records for each day including days when I do not have any record, so result is 0. For example I have these ...
0
votes
0answers
46 views

Slow application performance [on hold]

We are experiencing slow application performance on a couple of apps. We are on SQL Server 2012 Standard Edition 64 GB. This is installed on a Windows 2012 R2 server. The database is without mirroring ...
0
votes
0answers
17 views

dummyuser creating users

I'm writing a script which weekly updates the users who have access to a database (all users from a specific group in our AD). In my script I have to authenticate me as an user with the privileges to ...
0
votes
1answer
26 views

How to get average of views before clicking on advertisement?

I've got two tables containing information about viewing and clicking on advertisement by each user: Clicks: userID Action Time 123 c 2016-01-08 01:57:00 123 c 2016-01-11 ...
0
votes
1answer
42 views

Store massive values data from remote controllers

I implemented telemetry system in order to observe state of remote objects. Every object has a controller collecting data from some sensors (about 10-30 controlled parameters, lets take average value ...
4
votes
4answers
550 views

Delete into new table (like select into)

The select into syntax will create a new table to insert data into (I know that types may not be consistent etc. but it gives you a rough copy). Is it possible for a delete output into statement to ...
3
votes
2answers
30 views

User has db_owner through AD group but cannot create table

We've setup a SQL Server 2012 Enterprise, and through certain domain user groups, users are granted access to several databases. For instance, group 'ADB' has for several databases following rights: ...
1
vote
1answer
47 views

Create MySQL trigger that updates position of each row when sorted by a specific field

Let's see an example, I've got this table that contains teams, each of them having a certain number of points: CREATE TABLE teams ( id INT(11) NOT NULL AUTO_INCREMENT, name VARCHAR(255) NOT NULL, ...
1
vote
1answer
32 views

What's the difference between group roles and login roles?

It looks like for single user I should create a login role and than respective group roles because I can't directly assign privileges on login role. Is it true? What's the purpose of such separation? ...
0
votes
0answers
31 views

Why default db privilleges are not applied on a new schema?

I have a user with all privileges granted by default in database properties. I create a new schema as postgres and table there. I expect that the user should have an access to this table but it looks ...
0
votes
1answer
27 views

Error ORA-12505 when trying to access a newly installed instance of oracle-11g express

I encounter problems installing a local instance of oracle express on my Windows 7 - SP1 computer. I did a basic installation, as administrator (run as 'administrator' on setup.exe). Then I tried to ...
3
votes
1answer
79 views

Improve performance of query with multiple group by column and count function in select

Brief Background of issue We have a aggregate table to store activities of competitors and this table have currently 3 Million activities and we need to retrieve data from this table group by ...
1
vote
1answer
46 views

Maximum possible memory usage over 100%

During these days I experienced several problems (delay and failed restart) on my database MySQL, so I tried with some help here around (and using Percona service too) to optimize my /etc/mysql/my.cnf ...
0
votes
0answers
21 views

on-premise MongoDB Ops Manager Slack integration

The feature request "Alerts: SlackChat integration for Group Alerts" is resolved. I use Ops Manager 2.0.1.332 (not Cloud Manager) and don't see the Slack integration. Slack is a cloud-based team ...
0
votes
1answer
30 views

Why can I drop table when logged in as not owner?

I read that only owner can drop table and no other user may be granted to do so. I created a table with owner postgres and then drop it as another user. What privileges should I revoke to disallow ...
0
votes
0answers
6 views

What are the advantages of Packet Inspection and SHOW FULL PROCESSLIST over PERFORMANCE_SCHEMA?

We have several MySQL Servers (v 5.1) scattered across different geo locations. We are considering upgrading to the latest MySQL version as we heard a lot of good things about PERFORMANCE_SCHEMA ...
0
votes
0answers
17 views

SQL2043N Unable to start a child process or thread

I've seen the message SQL2043N Unable to start a child process or thread occur every once in a while since upgrading to rhel7 and db2 10.5. db2diag.log does not reveal much out of interest, beside: ...
0
votes
0answers
23 views

Normalizing a database [on hold]

I have been developing a social network . I am in the part of normalizing the database.. All I need is to know what transitive dependency really means. Most sources do not explain it as well as they ...
0
votes
4answers
86 views

Avoid using Many to Many Relationship

I have a 3 tables, Employee, Languages, Employee Languages. Now, Employee table is a profile table. Nothing special(Id, first name, last name etc.). Languages table has two columns: Language ID ...
0
votes
0answers
24 views

MYISAM can't create table: Row size too large

We are having database in MySQL 5.1, we have taken the DB backup from MySQL 5.1 and trying to restore in MySQL 5.6. We are getting below error: ERROR 1118 (42000) at line 603: Row size too large. ...
0
votes
0answers
12 views

How to get (category specific) rank for all items (regardless of specific category) in one query?

I am attempting to use one query to get each servers rank based on the game that it is associated to, for all servers (regardless of which game they're associated to). However, I'm struggling to ...
3
votes
1answer
30 views

What indexing to be used over string columns(text type) with string length around 3000 characters

I am using open source columnar dbms (postgresql+Cstore). I am trying to speed up the response time of queries. My database has tables with strings mostly. String columns contain huge data (up to ...
3
votes
2answers
165 views

Unable to create UNIQUE Filtered index with IGNORE_DUP_KEY = ON

I have a table , in SQL Server 2012 enterprise edition, for which I want to have a unique index with IGNORE_DUP_KEY = ON, however I only want this index (and ignoring the duplicates) to apply only to ...
1
vote
1answer
47 views

What is default behavior of PostgreSQL without specifying COLLATION?

What is default behavior of PostgreSQL, if i don't specify collation externally? One of the main questions, is it case-sensitive or not?
1
vote
1answer
38 views

Set a Max allocated size for a sellected storage path in db2

I have a DB2 storage group with storage paths set like C:\ D:\ E:\ Size of my C: drive is 100 GB and the other programs keep crashing because it fill data drive by one, even I can allocate more ...
0
votes
3answers
31 views

Getting error while starting mysql by just typing in mysql terminal

I am getting an error while starting mysql, by just typing mysql in the terminal: The error is: amtz@amtz-VPCEA23EN:~$ mysql ERROR 1045 (28000): Access denied for user 'amtz'@'localhost' (using ...
0
votes
0answers
23 views

How do I generate the ENCRYPTED_VALUE for CREATE COLUMN ENCRYPTION KEY?

I can make a certificate in the windows certificate store for the master column key easily enough with: $cert = New-SelfSignedCertificate ` -Subject "Always Encrypted Sample Cert" ` ...
1
vote
1answer
28 views

Does innodb_buffer_pool_size accept “*GB” values?

I thinks innodb_buffer_pool_size is specified in bytes, would typing in values with unit (i.e 1024MB or 1GB) work? Has anyone already tried this? Specs: MySQL 5.6
1
vote
0answers
32 views

Disable/Remove Table Index for INSERT Performance

I am doing a database maintenance where I have to add new fields to a table with over 10GB of data about (20 million rows). To solve that I renamed tableA to be old_tableA and created a new table ...
7
votes
4answers
232 views

In what cases a transaction can be committed from inside the CATCH block when XACT_ABORT is set to ON?

I've been reading MSDN about TRY...CATCH and XACT_STATE. It has the following example that uses XACT_STATE in the CATCH block of a TRY…CATCH construct to determine whether to commit or roll back a ...
0
votes
0answers
11 views

Trouble With Basic Query Searching [migrated]

Not sure if the this is the right place to ask but i have a question with beginner sql. I have the table dept and emp which include: SQL> desc dept; Name ...
2
votes
1answer
27 views

Taking load off the Master server by using a slave

My gameserver utilizes a Master and a slave on one server. The reason I am wanting to use a slave is because I want to beable to run select queries (read only) to get data without affecting the Master ...
0
votes
1answer
25 views

Every “INSERT” query check a combination of column's records

Unfortunately, my mind has stacked right now and i would like to design a really simple DB schema. What i want? In a simple table, for instance Table1, there are two different columns, Series and ...

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