SQL is very common and even some business analysts learn them. Scala and Python are great, but the easiest language to use is often the languages a user already knows. And for a lot of users, that is SQL.
On Wednesday, March 2, 2016, Jerry Lam <chiling...@gmail.com> wrote: > Hi guys, > > FYI... this wiki page (StreamSQL: https://en.wikipedia.org/wiki/StreamSQL) > has some histories related Event Stream Processing and SQL. > > Hi Steve, > > It is difficult to ask your customers that they should learn a new > language when they are not programmers :) > I don't know where/why they learn SQL-like languages. Do business schools > teach SQL?? > > Best Regards, > > Jerry > > > On Wed, Mar 2, 2016 at 10:03 AM, Steve Loughran <ste...@hortonworks.com > <javascript:_e(%7B%7D,'cvml','ste...@hortonworks.com');>> wrote: > >> >> > On 1 Mar 2016, at 22:25, Jerry Lam <chiling...@gmail.com >> <javascript:_e(%7B%7D,'cvml','chiling...@gmail.com');>> wrote: >> > >> > Hi Reynold, >> > >> > You are right. It is about the audience. For instance, in many of my >> cases, the SQL style is very attractive if not mandatory for people with >> minimum programming knowledge. >> >> but SQL skills instead. Which is just relational set theory with a >> syntax, Structured English Query Language from the IBM R project of the mid >> 1970s (\cite{Gray et al, An evaluation of System R}) >> >> If you look at why SQL snuck back in as a layer atop the "Post-SQL >> systems", it's >> >> (a) tooling >> (b) declarative queries can be optimised by query planners >> (c) a lot of people who do queries on existing systems can migrate to the >> new platforms. This is why FB wrote Hive; their PHP GUI teams didn't want >> to learn Java. >> >> >> > SQL has its place for communication. Last time I show someone spark >> dataframe-style, they immediately said it is too difficult to use. When I >> change it to SQL, they are suddenly happy and say how you do this. It >> sounds stupid but that's what it is for now. >> > >> >> try showing the python syntax. Python is an easier language to learn, and >> its list comprehensions are suspiciously close to applied set theory. >> >> >> >> >> --------------------------------------------------------------------- >> To unsubscribe, e-mail: dev-unsubscr...@spark.apache.org >> <javascript:_e(%7B%7D,'cvml','dev-unsubscr...@spark.apache.org');> >> For additional commands, e-mail: dev-h...@spark.apache.org >> <javascript:_e(%7B%7D,'cvml','dev-h...@spark.apache.org');> >> >> >
