Column - Name of the column in question. The above query shows all tables that have more than one index with the same leading column. These indexes can cause queries to use an inappropriate indexes; in other words, Oracle will use the index that was created most recently if two indexes are of equal ranking.
Some different types of gases are argon, carbon dioxide, hydrogen,  helium, oxygen, nitrogen, nitrous oxide, propane and propylene. Carbon dioxide is used for fermentation, â¦ and oxygen and nitrogen  are what makes up the Earth's atmosphere.1 person found this useful. Jan C.tmosphere contains roughly (by volume) 78.09% nitrogen, 20.95%oxygen, 0.93% argon, 0.039% carbon dioxide, and small amounts of other gases.
How many different gases are in the air? There are a lot of gases in the air around us, but most of the air is made up of just three gasesnitrogen, oxygen, and argon.There are smaller amounts of carbon dioxide and water vapor. And there are about ten more gases in amounts so tiny that people seldom talk about them. Of course, the list doesn't stop, either.Anything that you can smelllike roses or cheese or onionsmust have some chemical that is carried as a gas in the air.here are smaller amounts of carbon dioxide and water vapor. And there are about ten more gases in amounts so tiny that people seldom talk about them. Of course, the list doesn't stop, either. Anything that you can smelllike roses or cheese or onionsmust have some chemical that is carried as a gas in the air.