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table_type [2020/02/10 21:27]
admin [Table Type]
table_type [2020/02/10 21:37]
admin [Table Type]
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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]] ​(or rows), where each tuple may be formed by several keys and values. The set of keys must be unique for each row.
  
 [{{ :​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]]. ​