The phrase "a database of billions" is correct and usable in written English.
It can be used when referring to a large collection of data or information stored in a database, emphasizing the vast quantity of entries.
Example: "The research team has developed a database of billions of records to analyze global climate patterns."
Alternatives: "a repository of billions" or "a collection of billions".
University of Houston graduate student Zachary Turpin found the work while browsing a digitized database of 19th-century newspapers, and the Walt Whitman Quarterly Review published the 126-page guide online last Saturday.
Yekimov has a database of rehabilitation centers.
On the Upper West Side, between 60th and 91st Streets, from Central Park to the Hudson River, they rose to 32 from 13, according to the Public Data Corporation of Manhattan, which has a database of real estate and lien records.
-Create a database of Syrian refugees.
He also supports a database of Muslims.
In the Themefinder system, a user can find the music theme from the Humdrum database of 16th century classical music and folk songs on the Internet [5, 6].
Population data used in this study are mainly taken from the database of the 12th and 13th International Histocompatibility Workshops (IHWs) [48], [96], completed with additional data from published reports and from our own laboratory (Table 1).
Gene function was inferred by BLASTP [ 20] searches against the NCBI nr database (as of 6th December , 2012 with an E-value <10-5 cutoff.
The starting set of 151 binary complexes obtained by excluding all members of the database (release of 8th July 2008) with missing atoms anywhere in the backbone, was reduced to 134 after all non-physiological complexes (antibody-antigen complexes that do not exist in vivo or artificially created proteins) were excluded.
To avoid closely homologous structures, only 285 non‐redundant (at 40% identity) alpha‐helical chains were extracted from the PDBTM database (as of 30th November 2009).
