The average business loses $13.5M per year to ineffective training (per 1,000 employees). Keep ahead of the competition and combine in-person quality with online cost and flexibility by training with Linux Academy.
|Select only the top record in a left join||13||35|
|upgrading Oracle 10g/ 11g / 11g R2 to Oracle 12c||25||54|
|SELECT query on two levels (detail and summary)||13||50|
|SQL Server: Unable to remove duplicate sets in Header/Detail||6||23|