Long Out the Difference between WHERE Clause and the HAVING Clause in SQL
Hai Li · Journal of Huaihua University · 2008
SQL language(structured query language)is the standard language of database,choosed as a database teaching language,its outstanding advantage is that the definition of data,data query,data manipulation and control of the four major functions in the data integration.This article first discusses the history of the development of SQL,given its characteristics,to discuss the form of examples of the SQL language in the clausewhereand clausehavingthe similarities and differences,and elaborated on their use.