Database Definition and 143 Threads

In medicine and biology they have Medline which is a complete database of research papers---kind of a complete search engine of research papers in medicine and biology---which has free access to public. Is there anything comparable to this in physics---...

I'm currently working on a project in which we have to create a video rental database using MS Access 2007. We are asked to make use of a query. I'm still a bit unclear on what exactly that entails. If I understand correctly, queries are used to narrow down to only the data we want to see. Right...

I have just discovered that two people have been typing into separate copies of 'the same' MS Access database for some while. It came to light when one said, "Why can't Jo see the changes I make?" Any suggestions on how to combine the two tables or at least compare them with a view to...

Hi All, I have to solve a system of non-linear equations for a wide range of parameter space. I'm using FindRoot which is sensitive to initial conditions so I have to do it by hand and by trial and error and plotting, rather than putting the equations in a loop or in a table. So what I...

I am looking for a On line or downloadable stellar highly detailed database. Nasa had a excellent one but seemed to remove it from (NASA Star and Exoplanet Database (NStED). Wiki has lots of detail on there website but its star by star basis.I want to analyse large batches of stellar data...

hello, I'd like to know if there is any heat capacity database of some common substances. I've searched the internet for a while and I haven't found anything so it would be really kind if someone could provide me this data or link/refernce to it, because now I really need it for a project...

Hiya guys, I've just started a project, of which the aim is to develop a thermodynamic property database for hydrcarbon fuels. I've been asked to start by reading up on the maxwell relationships and clapeyron equation etc. so hopefully this will give you an idea of what I am trying to...

I have a basic understanding of Grover's algorithm, and I do know it searches through an unstructured database for some value. I recently downloaded the Quantum Processing Simulation (QPS), and after trying out the Grover simulator I became confused: through what database is it searching? It...

I am beginning graduate school preparations, I am looking for an online database of physics graduate programs that would list things like number of faculty in specific fields, number of graduate students admitted each year, etc... I have seen a book like this, specifically for physics...

I wrote a program in java to simulate gravity in 3 dimensional space between any number of objects, and i wanted to test if it works. i managed to find the data for the Earth and the sun and tried those out and the sun acted as a slingshot for the earth. i would like to know if i could find...

I've been searching the web with no luck - are there any open phase diagram databases available, preferably for temp-pressure-volume?

Yes, that's right. Everything from privacy act material to your grades in high school and college, letters to the editor you wrote disagreeing with accepted government policy... Who knows what's really in the...

I just got handed an assignment to document our database tables. I would rather not have to do this manually and I'm wondering if anyone knows of any freeware that will allow me to create diagrams of the tables and relationships between the tables.

I been looking at various places for measured orbital mechanics properties of the solar system and found very little coorelation. It made me think that somewhere there exists an official internationally recognized database for measured properties of the solar system with an accuracy that match...

hi. I'm creating a game where the main part is exploration. i want a database with the milky way's stars (though I'm not sure how many stars my program will be able to handle at this point) and for the other nearby galaxies i would randomly generate such a database of stars for those galaxies...

I started up a database of problems and solutions for physics, chemistry and maths. Take a look http://toxicopoeia.com/?get=problems&cat=physics I've only added physics questions at the moment. All the variables are randomly generated so people can keep practicing the same kinds of questions...

I'm trying to read solar radiation data from the following website...can anyone assist me in accessing this information...thank you. (I am expecting to see surface solar radiation strengths by state.) http://www.ncdc.noaa.gov/oa/documentlibrary/surface-doc.html You have to scroll down to...

I was looking for sites with a huge database of different physics and maths problems + solutions which I could use to practice but I couldn't find a site like this. It would be really easy to setup a database and make PHP scripts which would generate random variables for each problem so people...

Hi, This is my first post as I am new to these forums but I was searching for a database which could give me practice questions along with solutions for introductory physics. I am currently in a first year physics course at the University of Lethbridge. The course deals with mechanics, linear...

Hello all, I am trying to connect to an Access database, the Northwind sample database, by following this example, http://msdn.microsoft.com/en-us/library/cc811599.aspx I am using a Windows XP OS with Visual C++ 2008 Express for the compiler and IDE. The program is a console...

Hi everyone, I am an engineering student and I have been working over the summer in my spare time to create an online database/search engine for physics and math formulas. It is meant to be free and open source, like wikipedia so anyone can edit it. If anyone knows LaTeX, feel free to sign up...

Opensource Student Timetabling database software for school -- advice needed Hi, I intend to build a computer program with a GUI, for a school setup consisting of the following primary features: 1. Student information database (particulars of students, subjects they are registered in...

I've published my app... installed it... now I want to open the database the application uses. Is this possible? I'm so lost... please help!

In an Access database, I have fields (datatype = dbl) named "length", "height", and "sqrfeet". In my vb code I'm doing calculations to figure the square footage by multiplying the length * height divided by 144. The formula works just fine, but when adding the record to the database the length...

This semester, we have to build a database management system (DBMS) as a mini-project. We do have the database theory course covering database management concepts, sql and pl/sql. The project is to be done using Oracle and possibly Visual Basic for the front end and maybe a programming...

Hello, I was just trying to access a website that I could access just yesterday, however today I get the following message: How do I fix this?

[SOLVED] IC Package Database? Hello All, Does anyone know if there is a website somewhere where you can browse a database of IC package types and see dimensioned drawings for them? I see lots of different options out there for the many ICs and transistors but it gets annoying when you have...

a simple way to check how things are going with string and non-string QG is to look at the list of last year's topcite papers. Doing this for the first time just establishes a baseline for comparison later. I don't expect anything surprising to come out of it----string research is still...

Hi guys, Do any of you know where I can find an asteroid database. I have sky coordinates (RA and Dec) and Julian date and I want to search to see if there are any asteroids around the provided coordinates at the given date. I guess a better question would be if there is actually a...

Hi, i'm searching for a big database where i can find informations about astrophysics objects (stars, galaxies, etc.); the informations i need are mass, position, etc. (and if i can, references to the papers on that object). Does a so big database exist? Thanks

molar absorbtivity database?? Hi I'm just looking for the molar absorbtivity for potassium permanganate at 410nm wrt Beer Lambert Law, i can't find a database anywhere. Any help would be greatly appreciated Thanks Laura

Hi, My VB6 database program SEARCH function is working alright, but not perfect. For example, as the time I type characters in the SEARCH box, the cursor from the database table will move to coresponding row which has those characters. If the row has more than two the same characters as...

I use php to select data from the mysql database with chinese character but when I echo it ,it show ? . I am sure the encoding is correct but it still don't show the chinese character . I am using IE 6 . Please help .

of course I know that google knows the answer to any question, but it seems that there are limits. So when I want to test a certain hypothesis I need to have an overview of all known supernovaes, distance, size, etc, dated from say 30-50,000 years ago. So I typed in super nova index and that...

Hi, I'm looking for a database of heats of solution that contains the heat of solution of NaC2H3O2 (sodium acetate) as well as sodium acetate trihydrate. So far I haven't found something good. Thanks.

Can anyone tell me where I might find the literacy censous for New York in 1871? I would appreciate anything. -Scott

does anyone know of a good online materials database for their properties more specifically i am looking for fiberglass and/or carbon fiber properties thanks

Hi, are there any online databases for the x-ray diffraction peaks of common and less common crystals?

I need to make a database of a bunch of samples and log several bits of info about each sample. Any software suggestions on how to do this? A spreadsheet really doesn't work and I want to keep this within Windows.

If anyone is interested in seeing what a serious effort to catalog UFO sightings looks like, try here: http://www.larryhatch.net/ *U* is a serious 20 year UFO research effort to catalog, map, and do statistics on reports worldwide.... Discovered hoaxes and misidentified mundane events are...

hi ..i have a little problem here...if u go to this site, http://www.singaporepools.com.sg/fd_results3yrs/ u see the scroll down button...there are a lot of dates...each date links to a page in which i want to copy some data into a text file. and this apples to all other dates... anyone...

Hi there! This is my first post here, so a short introduction: my name is Rui Monteiro and i´m a Chemical Engineering student in Portugal, i´m 19. (btw, anyone from Portugal?) So, what brings me here: I came up with this Organic Chemistry Database (with a few inorganic compounds there too)...

I ran across http://www.defensetech.org/archives/000427.html It talks about an ambitious (to say the least!) monitoring and database system that DARPA is proposing. It makes TIA (Total Information Awarenes...well, now "Terrorism" Information Awareness) look like small potatoes. That was...