Partly finished the vim configuration for vim:
I downloaded the newest version of sqlcomplete.vim, and did some tweak
and downloaded dbext.vim, but not knowing how to use it.
Finally, added the pair tool config for sql.
Added encodingPart.vim to handle the encoding problem, mainly Chinese Characters.
Delete SearchComplete.vim plugin, since it functions poorly.
Tweaked snippets for java.
Added pair tools config for java.
Added {.snippet to java.