Buttons
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Clear button   : Clears the input text area.
Execute button : Executes the first SQL command in the text area.
Quit button    : Quits TimeDB.


Menu Item TimeDB
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Open DB     : Opens an existing database.
Close DB    : Closes the database.
Create DB   : Creates a new TimeDB database (creates metadata).
Preferences : Set the preferences for TimeDB.

Exit        : Quits TimeDB.


Menu Item File
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Execute File : Executes SQL commands stored in a file.


Menu Item Help
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About   : About TimeDB.
Grammar : Grammar of supported temporal SQL.
Menu    : Opens this window. 
