# Examples: Accessing external databases through LS:DO using @functions

- This formula gets the PARTNO column of the MANUALS table.
`@DbColumn("ODBC";"Oracle";"";"";"MANUALS";"PARTNO";"":"Ascending")`

- This formula gets the TITLE from the row of the MANUALS table where PARTNO is 17-895A.
`@DbLookup("ODBC";"Oracle";"";"";"MANUALS";"TITLE";"PARTNO";"17-895A")`

- This formula gets the PARTNO column value for every row of the MANUALS table, where the numeric value in the ONHAND column is less than 100.
`@DbCommand("ODBC";"Oracle";"";"";"SELECT PARTNO FROM MANUALS WHERE ONHAND <100")`