Both of these have roots in early CODASYL specifications. The third sub-language in SQL declares queries, through the SELECT statement and relational joins. The SELECT statement tells the query ...

Learn how to use the SQL subselect statement and handle your database like a pro! Do you ever find yourself juggling queries to get the information you need? Subselects, also called subqueries ...

First, the four SQL engines that come with MapR ... The project’s most recent incarnation, Stinger.next, has “sub-second query response times” as one of its design goals, along with support ...