Another top https://www.eversql.com/most-popular-databases-in-2018-according-to-stackoverflow-survey/
On Wed, Oct 31, 2018 at 4:45 PM Ecaterina Moraru (Valica) <vali...@gmail.com> wrote: > > > On Wed, Oct 31, 2018 at 3:53 PM Vincent Massol <vinc...@massol.net> wrote: > >> Hi Caty, >> >> > On 31 Oct 2018, at 14:43, Ecaterina Moraru (Valica) <vali...@gmail.com> >> wrote: >> > >> > IMO we should just write we support: >> > * HyperSQL 2.x Latest >> > * MySQL 5.x Latest >> > * PostgreSQL 9.x Latest >> > * Oracle 11.x Latest >> > not sure what help would do to have the explicit 2.4.1, 5.7.24, 9.6.10, >> > 11.2.0.4.0 versions. >> >> Yes, this is what I proposed. >> >> > >> > Also I'm sure we won't keep up with the versions, so they won't mean >> > latest. >> > When we do the tests we should always fix and test on the latest one. >> > And this 'latest' behavior is consistent with what we do for Browsers, >> with >> > the exception that we are a bit more descriptive by giving the DB cycle. >> >> Sure. Note that there’s more in this thread, for example: >> >> 1) What does latest mean? >> 2) What about the other 2 questions I asked? >> > > See > > https://trends.google.com/trends/explore?cat=13&date=today%205-y&q=%2Fm%2F01vw9z,%2Fm%2F04y3k,%2Fm%2F0120vr,%2Fm%2F05ynw,Hyper%20SQL > and > > https://www.statista.com/statistics/809750/worldwide-popularity-ranking-database-management-systems/ > > According to those pages my questions are: > * Why are we supporting "Hypersonic DB" ? - but hey, apparently it's in > the jetty thing. k :) Here we should just say latest, without any version > to it. This DB is anyway only recommended for the demo version. > * Why don't we support Microsoft SQL Server? > > Another reference: > https://db-engines.com/en/ranking > > * MongoDB also is in the top 5 for 2018 in multiple resources. Should / > could we also support that? In the Relational Databases section, DB2 is > listed, see https://db-engines.com/en/ranking/relational+dbms > > Anyway, I think it would be enough if we support the top 3 DB for the > latest versions. This would mean just MySQL 8.x instead of MySQL 5.x. Could > not find any relevant comparison for DB versions. Found a graph from 2015 > in https://plumbr.io/blog/io/most-popular-relational-databases where > MySQL 5.6 was most popular (long time ago), so not sure what we could use > as a reference. On the other hand MySQL 8.0 launched 6 month ago. So > indeed, we should support the latest 5.7.x (5.7.24) and also 8.0.x > (8.0.13), see https://en.wikipedia.org/wiki/MySQL#Release_history > > Regarding PostgreSQL, IMO we should support (10.5 || 9.6.10) and 11.0, see > https://en.wikipedia.org/wiki/PostgreSQL#Release_history > > Regarding Oracle Database, we should support 12.2.0.1 and 18.1.0, see > https://en.wikipedia.org/wiki/Oracle_Database#Releases_and_versions > > Regarding Microsoft SQL Server it should be (in case we decide it) SQL > Server 2017, see > https://en.wikipedia.org/wiki/Microsoft_SQL_Server#Currently > > My rule was: latest/latest + the latest stable/previous version. > > Thanks, > Caty > > >> >> WDYT about that? >> >> Thanks >> -Vincent >> >> >> > >> > Thanks, >> > Caty >> > >> > >> > On Wed, Oct 31, 2018 at 12:11 PM Simon Urli <simon.u...@xwiki.com> >> wrote: >> > >> >> >> >> >> >> On 31/10/2018 10:52, Thomas Mortagne wrote: >> >>> On Wed, Oct 31, 2018 at 10:28 AM Vincent Massol <vinc...@massol.net> >> >> wrote: >> >>>> >> >>>> >> >>>> >> >>>>> On 31 Oct 2018, at 10:15, Simon Urli <simon.u...@xwiki.com> wrote: >> >>>>> >> >>>>> Hi, >> >>>>> >> >>>>> On 31/10/2018 09:06, Vincent Massol wrote: >> >>>>>> Hi devs, >> >>>>>> We currently have >> >> https://dev.xwiki.org/xwiki/bin/view/Community/DatabaseSupportStrategy >> >>>>>> However, it doesn’t say explicitly which versions we officially >> >> support: >> >>>>>> * For HSQLDB it says 2.3.3 which is wrong since the latest version >> is >> >> 2.4.1 >> >>>>>> * For MySQL it says 5.x but doesn’t specify which specific >> version(s) >> >>>>>> * Same for other DBs >> >>>>>> We cannot really support every versions since supporting means >> >> testing too. >> >>>>>> So what I propose: >> >>>>>> Question 1: definition >> >>>>>> * We say we support the latest stable version of the databases for >> a >> >> given version cycle >> >>>>>> ** For MySQL, it’s the latest of the 5.x cycle, which is 5.7.24 as >> of >> >> today (see https://hub.docker.com/_/mysql/) >> >>>>>> ** For PostgreSQL, it’s the latest of the 9.x cycle, which is >> 9.6.10 >> >> as of today (see https://hub.docker.com/_/postgres/) >> >>>>>> ** For Oracle, it’s the latest of the 11.x cycle, which is >> 11.2.0.4.0 >> >> as of today (see >> >> >> https://www.oracle.com/technetwork/database/enterprise-edition/downloads/index.html >> >> ) >> >>>>> >> >>>>> +1 >> >>>>> >> >>>>>> Question 2: review what we support >> >>>>>> * For MySQL I think we could also start supporting MySQL 8.x (ie >> the >> >> latest version of that cycle). We have an issue open for it currently: >> >> https://jira.xwiki.org/browse/XWIKI-15215 >> >>>>>> * For PostgreSQL we could also start supporting versions 11.x (ie >> the >> >> latest version of that cycle) >> >>>>>> * For Oracle, we could also start supporting versions 12.x (ie the >> >> latest version of that cycle) >> >>>>> >> >>>>> +0 I don't really know how much effort it involves to ensure the >> >> support of the latest version of each database and to fix the bugs >> >> accordingly. >> >>>>> >> >>>>>> Question 3: decide if we drop some support >> >>>>>> * Is there any cycle that we should support for? Right now I think >> >> that MySQL 5.x is still heavily used, same for postgreSQL 9.x I guess. >> >> Don’t know for Oracle. >> >>>>>> * Any idea? >> >>>>> >> >>>>> What about the cycles that are bundled in major LTS distributions? >> >>>> >> >>>> You mean the versions from apt-get for ex (when using the default >> >> repos)? >> >>>> >> >>>> Indeed the idea could to follow one of them. Any suggestion for which >> >> one to follow and where the info is? >> >>> >> >>> Since we provide Debian package one good reference to know which >> >>> version of MySQL to support IMO would be >> >>> >> >>> >> >> >> https://packages.debian.org/search?keywords=mysql-server&searchon=names&exact=1 >> >>> >> >>> So it would be good to support 5.5 and 5.7 >> >> >> >> Maybe it worth it to also look on Ubuntu packages for the LTS, as they >> >> don't follow the same cycle: >> >> https://packages.ubuntu.com/search?keywords=mysql-server >> >> >> >> Apparently for now version are the same than for Debian. >> >>> >> >>> Here is the one for postgresql (since we also have a pgsql based >> Debian >> >> package) >> >>> >> >>> >> >> >> https://packages.debian.org/search?keywords=postgresql&searchon=names&exact=1 >> >> >> >> >> >> >> https://packages.ubuntu.com/search?suite=default§ion=all&arch=any&keywords=postgresql&searchon=names >> >> >> >> So here I see 9.3, 9.5, 10.5 >> >> >> >>> >> >>> So 9.4, 9.6 and 11 >> >>> >> >>>> >> >>>> Thanks >> >>>> -Vinent >> >>>> >> >>>>> >> >>>>> Simon >> >>>>> >> >>>>>> So WDYT about the 3 questions? >> >>>>>> Thanks >> >>>>>> -Vincent >> >>>>> >> >>>>> -- >> >>>>> Simon Urli >> >>>>> Software Engineer at XWiki SAS >> >>>>> simon.u...@xwiki.com >> >>>>> More about us at http://www.xwiki.com >> >>>> >> >>> >> >>> >> >> >> >> -- >> >> Simon Urli >> >> Software Engineer at XWiki SAS >> >> simon.u...@xwiki.com >> >> More about us at http://www.xwiki.com >> >> >> >>
