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Parallel query in HSQLDB

is it possible to run query in parallel with HSQLDB? As i couldn\'t fi开发者_StackOverflownd anything in documentation, I suppose that optimizer has no parallelism included. But how about multiple dat[详细]

2023-02-07 19:46 分类：问答
How to fix HSQL DataSource + TxM where identity always return 0

I am using Hibernate to do my ORM 开发者_开发问答stuff w/ HSQL for tests. It seems that a connection is fetched to do the insert and then returned. Straight after that HIbernate gets a connection then[详细]

2023-02-07 15:31 分类：问答
How to write custom functions for in memory HSQL

I want to write a simple function in HSQL so that it is backwards compatible with DB2 functions. In theory I should be able to write a custom function in java and hook it into HS开发者_运维百科QL. Is[详细]

2023-02-05 22:06 分类：问答
Liquibase data loading into HSQLDB with a sequence

I\'m attempting to load some data into an HSQLDB database using Liquibase 1.9.5. I have a loadData开发者_如何学运维 command as follows:[详细]

2023-02-05 08:51 分类：问答
How to generate primary key from sequence in HSQLDB

Currently I am using HSQLDB 2.0.0 for my project. I have a table with primary key and a sequence. I would like to generate the primary key value from the sequence whenever a insert happens.[详细]

2023-02-05 03:58 分类：问答
Hibernate: use backticks for MySQL but not for HSQL

A project I work on (which uses Java, Spring, Hibernate) recently changed from Oracle to MySQL. There are a few cases where some of the properties in the code are reserved words in MySQL, such as \"re[详细]

2023-02-04 19:53 分类：问答
Unable to generate JPA entities from HSQLDB

I am using OpenJPA and HSQLDB for my current project. But I am unable to generate JPA entities from the HSQLDB because eclipse plugin is not giving me an option to select the schema.[详细]

2023-02-04 17:19 分类：问答
Can I create support multiple database transactions on a single connection?

I have created a HyperSQL Database. I was just wondering whether I could run multiple transactions on a single connection. I didn\'t want to spawn a new connection for each transaction due to the over[详细]

2023-02-03 23:32 分类：问答
JUnit/HSQLDB: How to get around errors with Oracle syntax when testing using HSQLDB (no privilege and/or no DUAL object)

I have DAO code which contains some JDBC with Oracle-specific syntax, for example: select count(*) cnt from DUAL[详细]

2023-02-02 21:15 分类：问答
Databases in java

i created my build.xml folder which create the connection with database(startdb,stopdb,createtable,droptable,startManager)...i run this and he told me that he created the table when i press createtabl[详细]

2023-02-02 16:05 分类：问答