Query - Creating Queries
You perform queries to retrieve data from data sources for further processing.
PLEASE NOTE: At this time, only sequence data can be retrieved.
To create a query:
- From the Query page, select one or several data sources to search. Data
sources are located in Available Data Sources. Use the plus signs to open folders and the
check box next to the data source name to make your selection. When a data
source is selected, it will appear in the adjacent right box.
- Next, go to the Query Form at the bottom of the Query page. Use the Search Field
drop-down menu to focus your search to a specific part of a data source (like
Title, Gene or Species). Or, to search through all of a data source's text,
choose "All Text."
- In the Search Term(s) box, type in the item you wish to look for. You can type
a word or a phrase like "kinase" or "heat shock factor" (without the quotes). You
can use uppercase, lowercase or a combination, BioExtract Server ignores case completely.
- Click Submit Query. Your query results will display under the Extracts tab
as part of the Current Extract interface.
Other important information
- If the query returns a lot of results, use Boolean operators (AND, AND NOT,
OR) to refine it. Read Refining Queries.
- You can select multiple data sources (within the same group and across
groups). A drawback is that when multiple data sources are selected, only
those data sources that support the Search Field are searched. If you're
not happy with the results of a multiple data source search, try searching
each data source individually.
- If you know the GI/accession number of the sequence(s) you want to retrieve,
use "Fetch Sequence Records" in the Fetch Sequence(s) box on the right side
of the Query page. Retrieved records will display on the Extracts page.