0
votes
2answers
21 views
MySQL : Query WHERE clause and JOIN
I'm having an issue using a WHERE clause and JOIN.
SELECT * FROM `CallDetailRecord` WHERE `StartTime` >=1357102799000 AND `StartTime` <=1357880399000 JOIN `CallEvent` ON `EventID` = ...
1
vote
1answer
20 views
Understanding oracle SCN
I am currently working as junior Oracle DBA in a company.Now my team leads always tell me that I have to understand how SCN works and what I can do with the knowledge about SCN.So,are they really ...
1
vote
1answer
36 views
Database design: Two 1 to many relationships to the same table
I have to model a situation where I have a table Chequing_Account (which contains budget, iban number and other details of the account) which has to be related to two different tables Person and ...
0
votes
1answer
18 views
“Truncate” or “Delete/Vacuum Full” for deleting some of the table rows
I have a db which has 223 tables and I have to delete some of the records from 10 of them, each has apprx. 1.5million records. Those tables are storing the temperatures every 7seconds. We have decided ...
1
vote
2answers
17 views
MySQL Federated tables and Triggers
This is the scenario.
Have two MySQL servers (S1, S2) on different machines, with a database on each (DB1, DB2).
I have a table (T2) on DB2 that needs to "fectch" rows from another table (T1) on ...
1
vote
0answers
42 views
Re enable Windows Authentication [closed]
My old employee has disabled Windows Authentication in our server. Now I'm not able to access the SQL Server even though I have Administrator access to the server. I need to reset the sa password.
4
votes
2answers
84 views
Re enable Windows Authetication in SQL Server
My old employee has disabled Windows Authentication in our server. Now I'm not able to access the SQL Server even though I have Administrator access to the server. I need to reset the sa password.
I ...
0
votes
0answers
37 views
When to split a large table
I run the SQL Anywhere DBMS, and we have a table of about 10 columns(normal text, timestamps etc).
However, in my use-case, every single day, the table gets 2160000 new rows.
It's also crucial that ...
0
votes
1answer
14 views
Oracle DB 11gR2 netca installation failing
I am getting below error when I run netca from command line
cmd: /u01/app/oracle/product/11.2.0/db_1/bin/netca /silent /responsefile=/oracle_binaries/database/response/netca.rsp
[main] [ 2013-05-17 ...
0
votes
1answer
27 views
TokuDB/InnoDB Question
What's the faster scheme for insert data to TokuDB or InnoDB Engine? Over 200 Insert per second.
That's okay to answer of one engine.
TABLE: `game`
`gameId` bigint 20 (PK)
`gameMapId` int 4
...
0
votes
2answers
45 views
Can't use SQL Server database on a networkpath
I am working on a project for a very long time now. It's a .NET application which works with a SQL Server database (.mdf, LINQ to SQL). Now I am almost finished and wanted to run some tests.
But ...
0
votes
1answer
6 views
Simple MySQL table copy from one server to another?
this question has kindof been answered in a number of ways. Nothing that quite fits the bill (as far as I understand it).
I have MySQL Table X on Server A. I would like an exact copy of this table, ...
0
votes
1answer
42 views
Copy tables from a stand-by database
I want to explain the following. I have a database that is a recovery db from our main environment. This database is kept up-to-date through log shipping. However, I want to copy all tables from this ...
0
votes
2answers
19 views
copy package from schema B to schema C
I am in the next situation: I am using oracle 11g. I am connected to an user, lets say schema1, where are a lot of permissions. I want to create a script which will copy the Package1 (and its body) ...
2
votes
0answers
33 views
Service Broker stops working
I'm new to Service Broker. Our existing Service Broker suddenly stops working and I can't figure out why.
When I try to enable Service Broker (which is already enabled) I get this in SQL error log:
...
0
votes
1answer
39 views
convert(varchar, getdate(), 112) or convert(varchar(8), getdate(), 112)
Which sql command is recommended to convert a date to yyyymmdd?
1) convert(varchar(8), getdate(), 112)
or
2) convert(varchar, getdate(), 112)
I notice that if I used I use the 2nd one, it seems ...
1
vote
1answer
43 views
Get the 2nd or 3rd occurrence of a value in a delimited string
I have the following table:
==========================================================
| Name_Level_Class_Section | Phone Num |
...
0
votes
2answers
46 views
MySQL Hierarchical Structure
Every single user has say, 3 of GROUP_A, 10 GROUP_B's per GROUP_A, and 20 GROUP_C's per GROUP_B. And each of the 20 GROUP_C's involve lots of inserts/deletes...
I'm not an expert, but I've done ...
4
votes
3answers
45 views
How to reduce network latency during mirroring?
We are using SQL Server 2008 R2 Standard edition for mirroring.
But we found out that network latency is too high. It takes nearly four times time to complete a transaction while mirroring is active. ...
0
votes
1answer
25 views
BI and Self Service Reporting Tools that Support Web (HTML) Interface? [closed]
Hopefully a simple question. What BI tools (commercial or OSS) support self-service reporting or self-service BI via an HTML web interface?
I specified HTML because I know of at least one that can ...
-3
votes
1answer
20 views
Microsoft Assessment and Planning Toolkit for Windows server 2003 [closed]
Can anyone please tell me where I can find Microsoft Assessment and Planning Toolkit for Windows server 2003?
I tried using version 8.0 but it fails to install on Windows server 2003.
thanks
0
votes
1answer
21 views
No way to set maximum retrieved rows in pgadmin query tool
I'm using version 1.16.1, and I can't find a "max(imum) rows" param to tweak. Any help would be appreciated.
0
votes
1answer
16 views
Is there a system primary key associated with each row?
Does a system primary key or unique identifier for each row in a table exist? Like @@ROWID, @@IDENTIFER, or some other identifier that uniquely identifies each row regardless of how it was created? ...
2
votes
2answers
69 views
Is there a fast way to change column type without dropping the clustered index?
I have a large table that is clustered index on a bigint. We would like to change it to just an int to reduce the space and improve the performance. However, dropping the clustered index and recreate ...
0
votes
1answer
13 views
Table Design for user-specific and user-agnostic criteria
I want to design a table that is general enough to accommodate an increasing number of achievements as I come up with new accomplishments to reward. Initially, I thought to design the table as ...
1
vote
1answer
21 views
How un-clustered is a CLUSTER USING table in Postgres
I have some tables which benefit greatly from CLUSTER ON/CLUSTER USING in Postgres. Data accessed at the same time is "defragmented" into a small number of disk blocks:
# CLUSTER table USING ...
2
votes
0answers
27 views
How to remove leaf member values?
I have a dimension hierarchy that is related to multiple fact tables with different granularities. In the case of one fact table, it relates to the middle level of a three level hierarchy.
When you ...
0
votes
2answers
42 views
Is it a good practice to create tables dynamically in a site?
A friend asked me to build a site with a few "static" and "dynamic" tables.
In fact he wants to have a few tables which can't be deleted, and some "dynamic" tables which can be created directly from ...
0
votes
2answers
36 views
Time series data for ad platform
I am trying to figure out how to store time series data for an ad platform I am working on.
Basically I want to know some strategies/solutions for storing billions of rows of data so that I can ...
4
votes
1answer
161 views
CTE memory space
How do CTE memory space work? When you have complex SQL statements executing with the CTE and you get unusually large result set, can it increase the logical reads of the query?
I have a CTE that is ...
3
votes
2answers
37 views
PostgreSQL group roles
This is not a "group by" question. I am struggling with permissions in postgres because I apparently don't understand how group roles work. Searching for this on SO has proven difficult because I get ...
2
votes
1answer
28 views
Audit full text activity
I need to find when and which user created full text catalog, and who added/modified/deleted the columns (that were full text indexed) in that full text catalog.
5
votes
0answers
44 views
SA permissions issues with many nested objects
I have a broker application that's relatively complicated.
Today, after I made some changes, I started getting the error:
The server principal 'sa' is not able to access the database 'XYZ' under ...
3
votes
1answer
37 views
How to get the information of the optimizer of PostgreSQL?
I am curious about the information like
total optimization time
the time spent on each stage of optimization
the number of alternative plans and
the cost of each alternative plan.
1
vote
1answer
18 views
psql coloured prompt misbehaving
In theory, there is a possibility to use coloured prompts in psql. I decided (not the first time :) that I need them, so I thought I would give them a try. So I have in my .psqlrc the following:
...
3
votes
1answer
58 views
DELETE vs TRUNCATE (Oracle)
I am piggybacking off of this question, but asking it from the Oracle perspective.
Specifically, how does a DELETE/TRUNCATE affect the size of the table and/or tablespace?
1
vote
0answers
47 views
Performance Hit when upgrading to Oracle 11gr2
I am experiencing the same symptoms as noted in this question which was closed and does not have a satisfactory answer.
Original Question
We've recently upgraded from Oracle 10gR2 (10.2.0.4 ) to ...
9
votes
2answers
188 views
How to avoid using variables in WHERE clause
Given a (simplified) stored procedure such as this:
CREATE PROCEDURE WeeklyProc(@endDate DATE)
AS
BEGIN
DECLARE @startDate DATE = DATEADD(DAY, -6, @endDate)
SELECT
-- Stuff
FROM Sale
...
-1
votes
1answer
50 views
Single quote issue
I have to update a column where I am giving query which is
Update Table
Set col = '[189] IS NOT NULL and [189] <> '''
Where colid= 198
But it's giving output:- [189] IS NOT NULL and ...
3
votes
0answers
72 views
Database table design question
Firstly, database novice here. I'm trying to create a system for processing Sales Orders into Purchase Orders and then split the Purchase Order into Shipping Containers. The systems needs to be able ...
0
votes
2answers
55 views
Use an Alias in Where Clause Subquery in Oracle
I need to show some fields from another table in Oracle. Here is my query:
SELECT
ANGGARAN.SIMPEG_PEGAWAI.ID_PEGAWAI AS KODE,
ANGGARAN.SIMPEG_PEGAWAI.NAMA,
ANGGARAN.SIMPEG_PEGAWAI.NIP,
...
0
votes
1answer
36 views
mysql search speed increase
I've heard that some queries like DELETE , or changing the structure of a table can decrease the speed of the search in a table .
First: is this true , or not?
second: is there any way to increase ...
1
vote
3answers
49 views
Issue on mysqldump in MySQL5.6
I did upgrade the MySQL server from 5.5 to 5.6
I am trying to take dump for a table like this
mysqldump -uroot -p dba admin > D:\admin.sql
But it gets following error
mysqldump: Couldn't ...
0
votes
1answer
27 views
How to add rows/columns to the table in runtime in SSRS 2008
Usually we design the table to have x number of rows and y number of columns in a report. But how can we create a report which adds the rows and columns dynamically at run time based on the result of ...
0
votes
1answer
40 views
Autogrowth of SQL Server database and log file
I am confused what this autogrowth property does for any database or log file in SQL Server.
According to my understanding
If we set autgrowth for database as restricted then its size will ...
-1
votes
1answer
20 views
checking a folder whether required file is present at a regular interval [closed]
i have 4 folder hierarchy in a following format :
Hourly Daily Weekly Monthly.
In every folder i have files which is coming in a frequency based on their folder's name.
Now , i have ...
4
votes
0answers
20 views
Tablespace on ephemeral storage
For performance reasons in some scenarios, e.g. Amazon EC2, you have access to a faster and cheaper storage device, which loses all its data on reboots, so it is called "ephemeral".
This question is ...
0
votes
0answers
36 views
Oracle PL SQL EXTREMEMLY slow FETCH performance
I have a stored procedure that includes (among many other things) a dynamic query with a LOOP and a FETCH. The fetch has to potential retrieve a large amount of data as one column contains spatial ...
-1
votes
3answers
69 views
How to restore SQL Server 2008 R2 backup to SQL Server 2008 [duplicate]
I am unable to restore a backup from a 64-bit instance onto a 32-bit instance.
Source Server:
Microsoft SQL Server 2008 R2 (SP1) - 10.50.2500.0 (X64)
Destination server:
Microsoft SQL Server ...
2
votes
0answers
39 views
The Login is from an untrusted domain - domain setup with computer level login
I have a Sql Server 2008 R2 database I'm attempting to connect to using ADO.NET using integrated security in the connection string.
The database resides on a 64 bit Windows Server 2003 machine. The ...
