Database Engine built in Java.

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2
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0answers
198 views

Is there a way to detect if there is an uncommitted transaction in H2?

I am using an H2 database with JDBC to create a connection with setAutoCommit(false). I am currently programatically checking whether or not there is an uncommitted transaction, but I was wondering ...
1
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0answers
45 views

parenthetic grouping of join clauses

What is the difference between these joins? a left join b left join c (a left join b) left join c a left join (b left join c) Does the grouping only affect the order of the joins? Will the query ...
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0answers
12 views

How do display the vertical format like MYSQL in the console, but for H2 Database?

I am administering a H2 database and I'm coming from the mysql world. I usually use the console to do quick queries in the mysql console. When there is alot of data returned, I use the \G option for ...
0
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0answers
154 views

DIRECT and SORTED in H2 and How to insert data with SORTED technique in H2

I was working on H2 Database and read Insert Statement Grammar and found that there are 2 types of insertion DIRECT and SORTED @ http://www.h2database.com/html/grammar.html#insert. As I know that ...
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0answers
231 views

H2 database binary file full of @^@^@^@^

I am investigating H2 database performance and was curious to why the database file was several megabytes long when only storing hundreds kilos of text, I therefore opened the database file with vim ...