The phrase "a much wider database" is correct and usable in written English.
You can use it when describing a database that has a significantly larger amount of data compared to another.
Example: "Our new system allows us to access a much wider database of information, improving our research capabilities."
Alternatives: "a significantly larger database" or "a considerably broader database."
As compared with the previous release, UCbase 2.0 has much wider database content, a completely newly redesigned user interface and novel software architecture.
We therefore sought to expand the scope of this database to biochemical assays from other major manufacturers, allowing for a much wider application of the CALIPER database.
Based on Robert Plutchik's theory, a corpus not only consists of primary emotions with the addition of complex emotional states but also consists of a much wider range than the commonly used databases [10].
They are based on more than twice the number of admissions of the other studies combined, and cover a much wider geographical region than any other single database.
Conversion rates will likely improve considerably by selecting SNPs from a sequence database built from a much wider representation of the diversity of each target species and validating in a larger panel of individuals.
Of increasing significance, digitized databases open the way for a much wider distribution of the maps over the Internet.
The major features distinguishing SNPdbe from other databases are: (i) the inclusion of a much wider array of organisms and data sources; and (ii) the explicit differentiation between functional/structural effects and disease associations.
The Intel processor model database, the most official accounting of what's available, shows a much wider selection of mobile Skylake processors (particularly the quad-core variety) versus the very short list of mobile Kaby Lake processors.
"PNR is an important tool to track terrorists flying in and out of Europe in a much wider toolkit, which should also include the systematic sharing of information in all EU databases".
