RandomPermutation[gr] gives a pseudorandom permutation in the permutation group gr.RandomPermutation[gr, n] gives a list of n pseudorandom permutations in the permutation ...
Short
(Built-in Mathematica Symbol) Short[expr] prints as a short form of expr, less than about one line long. Short[expr, n] prints as a form of expr about n lines long.
SpanFromLeft is a symbol that can appear at a particular position in a Grid or related construct to indicate that the corresponding position is occupied by a spanning element ...
StringMatchQ["string", patt] tests whether " string" matches the string pattern patt. StringMatchQ["string", RegularExpression["regex"]] tests whether " string" matches the ...
SystemDialogInput["type"] brings up an interactive system dialog and returns the value chosen in the dialog. SystemDialogInput["type", init] uses init as the initial setting ...
$MachinePrecision gives the number of decimal digits of precision used for machine-precision numbers.
$OutputSizeLimit specifies the maximum size in bytes of expressions that will automatically be output in their entirety in a Mathematica notebook.
DatabaseResourcesPath[] gives the list of directories that are searched to find database resources.
JDBC
(DatabaseLink Symbol) JDBC[arg, ...] is an object that holds parameters for making a JDBC connection to a database.
SQLBeginTransaction[conn] initiates an SQL transaction.