# Differences

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====== Table Type ====== | ====== Table Type ====== | ||

- | A table is a collection of [[wp>Tuple|tuples]], where each tuple may be formed by several keys and values. The set of keys must be unique for each tuple. | + | A table is a collection of [[wp>Tuple|tuples]] organized in a special way, where each tuple may be formed by several keys and values. The set of keys in each row must be unique. |

[{{ :editors:table_basics_1.png?nolink |Table Basics}}] | [{{ :editors:table_basics_1.png?nolink |Table Basics}}] | ||

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[{{ :editors:table_basics_2.png?nolink |Table Basics}}] | [{{ :editors:table_basics_2.png?nolink |Table Basics}}] | ||

- | The set of all elements at the same position in all tuples defines a column. All columns must have a unique name. The names must follow the general name convention in Dinamica EGO, they must start with a "_" or a letter and must be formed by letters, numbers and underscores. Blanks in names are automatically replaced by "_" (underscore). | + | The set of all elements at the same position in all rows defines a column. All columns must have a unique name. The names must follow the general name convention in Dinamica EGO, they must start with a "_" or a letter and must be formed by letters, numbers and underscores. Blanks in names are automatically replaced by "_" (underscore). |

Keys and values can be represented using double precision [[wp>Floating_point|floating point numbers]], allowing the definition of integral and fractional values, or [[wp>String_(computer_science)|strings]]. | Keys and values can be represented using double precision [[wp>Floating_point|floating point numbers]], allowing the definition of integral and fractional values, or [[wp>String_(computer_science)|strings]]. |