I have a sequence as: CREATE SEQUENCE OWNER_SEQ START WITH 1; I need to trigger this sequence for OWNER table’s ID column CREATE TABLE METADATA.OWNER ( OWNER_ID NUMBER NEXTVAL(…
Tag: h2
Matching literal percent in h2/postgres?
I have the following value in a db column: some%thing I’m using h2 and postgres, but can’t figure out why this query, where I have escaped the % to perform a literal search, is not matching the row …
H2 database – Update from select sets out-of-date data after h2database upgrade to version 1.4.198
We have a simple counter in out project database. Until now we were using version 1.4.197 of H2 database. Executing below example snippet with this version always imply counter to be 5000. Upgrade to version 1.4.198 or above makes below code returning inconsistent results, usually between 1500 and 2000. My assumption is that the select statement from below SQL is
H2 org.h2.jdbc.JdbcSQLSyntaxErrorException occurs when executing a script file in a h2 database
I have used java -cp h2-1.4.199.jar org.h2.tools.RunScript -url jdbc:h2:mem:db1 -script infra_params.sql command to execute below sql script in a H2 database. infra_params.sql file:- DROP TABLE IF …
How to fix H2 Syntax error in SQL statement?
I asked earlier today about replacing a window function because H2 does not support it. I rewrote SQL query but every time I get syntax error in the SQL query (posted below) expected “UNION, …
Select only one row by more conditions
This query is supported by PostgreSQL but H2 can not run query because of Over(partition by) . Question is how to select only one row with latest created time for different values in 2 columns. …
How to improve JPA Query performance and response time on multiple Join tables and conditions
I am very fresh java beginner and I am trying to implement possibility to review documents. User, who belongs to a certain group can review documents of particular types that are assigned to that …
Query through PreparedStatement in H2 throws exception: This method is not allowed for a prepared statement; use a regular statement instead
A simple query fails when run through a prepared statement while using JDBC 4 to access an H2 database in Java 11. When running this line: try ( ResultSet rs = pstmt.executeQuery( sql ) ; ) { …I …
Return primary key value generated by default in H2 database upon INSERT of new row, for UUID type column
When using a UUID data type as the primary key of a table, and asking H2 to generate each UUID value by default upon INSERT of a new record, how does one access the value of the newly generated UUID value? I am using plain JDBC 4.x in a Java app, if that helps with a solution. I know SCOPE_IDENTITY
What is the syntax of array literal in H2 db?
I need to write an insert query where one value is an array of 3 elements. I’ve tried to do it like this: The sintax I’ve used for ‘col’ value is valid array literal in PostrgreSQL but H2 treats it as a single value of the array but not as an array with 3 elements. Table DDL: Answer Based on