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I removed the following example from the ALTER section as it was in the wrong place (inside a block that was supposed to contain a specific example of adding "bubbles" to "sink") There are some grammar errors and shorthand used as well. I don't have time to fix it, but if someone else would like to clean it up and re-add it, here is the original text that I removed:
If I don't see a response explaining why not to do it, I plan to add one or two sections as soon as I can get around to it. (1) Besides the verbs used to manipulate the data definition, there should be (IMHO) some discussion about how to discover current definitions. At a minimum, the SHOW statement should also be discussed. (2) Due in large part to a lack of standardization of DDL, most DMLs provide a DML interface that can be used as a DDL. A table showing correspondences between DDL and equivalent DML would be very useful. Vrmlguy (talk) 12:07, 7 January 2013 (UTC)