Re: [h2] Re: Errors in the DBMS comparison

[Thomas Mueller Graf]

Hi,

Sorry, it's an old mail...

The footprint is the size of the database engine itself, not just the
driver.

Regards,
Thomas


On Sun, Oct 23, 2016 at 1:13 PM, Philippe Marschall <
philippe.marsch...@gmail.com> wrote:

>
>
> On Tuesday, August 30, 2016 at 11:56:31 PM UTC+2, Thomas Kellerer wrote:
>>
>> I think there are some errors in the DBMS comparison at:
>> http://www.h2database.com/html/features.html#comparison
>>
>> Postgres has "Linked tables" through Foreign Data Wrappers:
>> https://wiki.postgresql.org/wiki/FDW  (which is available since V9.0
>> which that comparison is based upon)
>>
>> Neither Postgres nor MySQL do "Multi-Threaded Statement Processing" if
>> that refers to a *single *statement being executed by multiple threads
>> on the server (that will however change with Postgres 9.6). If that refers
>> to "multiple statements from different connections are executed at the same
>> time" then this is of course true for both.
>>
>> MySQL 5.7 introduced computed columns but Postgres still doesn't have
>> them
>>
>> MySQL neither has domains nor custom aggregate functions.
>>
>
> While we're at it, the MySQL JDBC driver is 1.8 MB [1] and the PostgreS
> JDBC driver is 660 KB [2]
>
>  [1] http://search.maven.org/#artifactdetails%7Cmysql%7Cmysql-
> connector-java%7C6.0.5%7Cjar
>  [2] http://search.maven.org/#artifactdetails%7Corg.postgres
> ql%7Cpgjdbc-aggregate%7C9.4.1211%7Cpom
>
> Cheers
> Philippe
>
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[h2] Re: Errors in the DBMS comparison

[Philippe Marschall]

On Tuesday, August 30, 2016 at 11:56:31 PM UTC+2, Thomas Kellerer wrote:
>
> I think there are some errors in the DBMS comparison at:  
> http://www.h2database.com/html/features.html#comparison
>
> Postgres has "Linked tables" through Foreign Data Wrappers: 
> https://wiki.postgresql.org/wiki/FDW  (which is available since V9.0 
> which that comparison is based upon)
>
> Neither Postgres nor MySQL do "Multi-Threaded Statement Processing" if 
> that refers to a *single *statement being executed by multiple threads on 
> the server (that will however change with Postgres 9.6). If that refers to 
> "multiple statements from different connections are executed at the same 
> time" then this is of course true for both. 
>
> MySQL 5.7 introduced computed columns but Postgres still doesn't have them 
>
> MySQL neither has domains nor custom aggregate functions. 
>
 
While we're at it, the MySQL JDBC driver is 1.8 MB [1] and the PostgreS 
JDBC driver is 660 KB [2]

 [1] 
http://search.maven.org/#artifactdetails%7Cmysql%7Cmysql-connector-java%7C6.0.5%7Cjar
 [2] 
http://search.maven.org/#artifactdetails%7Corg.postgresql%7Cpgjdbc-aggregate%7C9.4.1211%7Cpom

Cheers
Philippe

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