Work Stress (?XThe work stress thermometer reflects the intensity of stress experienced by employees on the job at a particular employer, relative to other employers.or example, when all five faces appear smiling, that doesn't mean all employees at that employer are Extremely satisfied, but it does mean a significant majority are Extremely satisfied compared to workers at other employers.
Aleph-naught (aleph-naught, also aleph-zero or the German term Aleph-null) is the cardinality of the set of all natural numbers, and is an infinite cardinal. The set of all finite ordinals, called Ï or Ï 0 (where Ï is the lowercase Greek letter omega), has cardinality .
Null (or NULL) is a special marker used in Structured Query Language to indicate that a data value does not exist in the database. Introduced by the creator of the relational database model, E. F. Codd, SQL Null serves to fulfil the requirement that all true relational database management systems (RDBMS) support a representation of missing information and inapplicable information.