https://stackoverflow.com/a/46790769/1180523
=UNIQUE(A2:A)
# Exclude the "N/A" results:
=UNIQUE(FILTER(A2:A,A2:A<>""))
https://www.extendoffice.com/documents/excel/4707-google-sheets-count-number-of-occurrence.html
=COUNTIF(A2:A16, C2)
https://support.google.com/docs/answer/3093378?hl=en
=MATCH("searching for",G2:G,0)
(replace "YES"/"NO" with desired output)
https://stackoverflow.com/a/38726628/1180523
=IF(ISNUMBER(MATCH("searchign for",G2:G,0)),"YES","NO")
{G2:G;J2:J}
https://support.google.com/docs/answer/3093340?hl=en
=IMPORTRANGE("https://docs.google.com/spreadsheets/d/1234/edit","'Sheet 1'!A1:Z")
=IF(ISBLANK(F2), "MISSING VALUE", "")
basically, select b.value if a.col == b.col
- Sources to lookup for help:
=IF(ISNUMBER(MATCH("SEARCHING FOR",A:A,0)),VLOOKUP("SEARCHING FOR",A:B, 2, FALSE), "NOT FOUND")