ILOG OPL Development Studio Language Reference Manual

limitations in tuples 29ranges 22sets 31strings 20databasesconnecting to 58data input/output 55deleting elements 63reading from 59SQL encryption 60supported 57writing to 62dates in ILOG Script 251constructor 253functions 257methods 255operators 258DBExecute, OPL keyword 62DBRead, OPL keyword 59DBUpdate, OPL keyword 63decimal numbers 210decision expressions 82and tuple patterns/tuple indices 29decision variables 80and integer ranges 22arrays of, initialization 88definition 80dynamic collection 85reusable (dexpr) 82Edeclarationof constraints 107of script variablesinside a function definition 200outside a function definition 201of tuples, using keys 28default valuesof statements in ILOG Script 203delimitersand internal initializationtuples 48curly brackets 179for comments 180for tuples 47quotes 222, 232semi-colon 178dexpr, OPL keyword 82diff, OPL keyword 102discontinuous piecewise linear functions 97discreteconstraints 123data 123variables 123dvar, OPL keywordvs. var 80efficient models 111, 137, 138elseSee if-then-else 109I L O G O P L D E V E L O P M E N T S T U D I O L A N G U A G ER E F E R E N C E M A N U A L265