Searching library databases – information literacy tutorial – libguides at lincoln memorial university

Once you have settled on a topic, it is time to do some “real” searching. 5 database is locked By this we mean searching for sources that you will actually cite and use in your project. Database fundamentals You may have already discovered a few of these from your provisional background searching and that is fine but now you must do some more systematic searching. Database concepts This will involve using library databases .

Databases are indexes.

Database icon An index is basically a pointer or referral guide. Database versioning You can think of it like the subject index you often find in the back of a book that points you to sections of the book in which certain subjects or people are discussed. Database 2013 Databases do this but on a much larger scale, pointing not just to one book but to millions of books, journal articles, and other types of scholarly material. Database cursor So if you are looking for information about factory conditions in China or academic achievement in Appalachia, a database will point you to sources about these topics. Database list If you know how to ask it properly and nicely, that is.

There are many different types of databases indexing many types of materials in many different subjects. Database queries must be Reading the brief descriptions of the databases will help you determine which one(s) will be best for your research. Database journal See some of our database tutorials for more using specific databases.

At this point you may be saying to yourself, isn’t this what Google does? Yes, Google is a search engine which indexes billions upon billions of web pages including lots of perfectly acceptable and credible scholarly sources. Data recovery boston However, there are some crucial differences between what you can find in a database and on the open web.

• Quality: Databases generally contain high quality, peer-reviewed articles and other scholarly sources. Database connection The common complaint against sites like Wikipedia — anybody can write and edit these articles — does not generally apply to databases.

• Organization: Information in databases is meticulously cataloged, categorized, and organized. S memo data recovery Most databases have sophisticated searching capabilities allowing you to pinpoint exactly what you are looking for, find everything on a given subject, and filter out all irrelevant results.

• Cost : Databases cost a lot of money. Database structure A large chunk of the library budget goes into databases. Data recovery iso The advantage to you as a student is that you should not ever have to pay for an article or book. Iphone 6 data recovery software If it is not in one of our databases you can get it through interlibrary loan.

Another common misconception about search engines such as Google is that they have “everything”. Cpu z database This is patently false. Data recovery kickass Much of what is often called the“invisible web” or the “deep web” is what you can get through library databases. A database can best be described as See the video on the side bar for more on this.

When you go to Google or any search engine and type in a few words and hit search you are doing a keyword search. Os x database The search engine looks for your search terms anywhere in the record and its fields and displays these records as results. Database field Sometimes this works fine, but there are more efficient and effective ways of searching.

Most databases have some form of controlled vocabulary. Data recovery diy These are usually called subject terms or descriptor terms. Database transaction They can be invaluable for thorough searching of your topic. Data recovery mac hard drive Finding and using descriptors helps you pinpoint your search, reduces irrelevant results, and can suggest related and narrower search terms. H2 database tutorial Descriptor terms differ from keywords in that they are assigned by the database to specific articles based on the subject(s) the article is about. Database interview questions They can help reduce some of the ambiguity of natural language searching. R studio data recovery free download For instance, if I search the word “China” I may get results about both the country and the dish. Data recovery bad hard drive The descriptor for the dish may be something like “China, Fine Porcelain” and searching that would be better. Database field definition Sometimes your keyword and the descriptor term will be the same. Data recovery windows 7 The descriptor for feminism may be “feminism”, the descriptor for diabetes may be “diabetes”. Nexus 4 data recovery Other times, not. Database version 706 The descriptor for heart attack might be “cardiac arrest”. Cindia data recovery You would want to know that and search “cardiac arrest” instead.

Different databases have different subject listings. Database tutorial You can usually find them on a menu somewhere. R database packages In many databases it is the “thesaurus” or “subject terms” links on the top menu.