Saving new entity with JPARepository throws InvalidDataAccessResourceUsageException: could not extract ResultSet

Currently working on a REST API with Springboot + JPA/Hibernate + Oracle. I have an entity called Foo linked to a Bar entity with @ManyToOne (Mulitple Foo can have one Bar). When I send an HTTPS GET …

Translation from Java to Oracle SQL: use every element into a loop as result of a SELECT statement [closed]

It’s my first time using Oracle function. I’m trying to translate this piece of code in Java to Oracle SQL. It’s present a SELECT statement before the loop for (int i = 0; i < checkList....

jooq query for sql query with analytical function

i have sql query like select * from ( select s.*, max(year) over () max_year from Transaction s where s.Account_Number = ‘4234242234’ and s.month in (0,1)) o where o.year=o….

gradle executable jar can’t include local jar dependencies

SOLVED WaitingDatabase.connect(WaitingDatabase.java:17) // added this line Class.forName(“oracle.jdbc.driver.OracleDriver”); connection = DriverManager.getConnection( DatabaseProperties….

CSV file from HDFS to Oracle BLOB using Spark

I’m working on Java app that uses Spark 2.3.1 to load data from Oracle to HDFS and vice versa. I want to create CSV file in HDFS and then load it to Oracle (12.2) BLOB. The code.. //create …

ORA-00905: missing keyword in case statement

I am getting ORA-00905: missing keyword in case statement in my when clause. Below is the query. vsqlstr := ‘select name, enrollement_dt,case_name, dept, subject, city, state, zip from enrollement …

JPA and 1000 ID use in Oracle IN Operator

I use NamedNativeQuery for delete rows, and it’s somthing like this: DELETE from FAKTOR where ID IN ( select fa.ID from FAKTOR fa left join FAKTOR_REASON fars on fa.FARS_ID = fars….

How to avoid two different threads read the same rows from DB (Hibernate and Oracle 10g)

Let’s suppose I got two different threads, T1 and T2, accessing concurrently the same database and fetching data from the same table. Now on thread startup I need to fetch data from the table and …

MyBatis Batch Insert/Update For Oracle

I’ve recently started learning to use myBatis.I am now facing such a scenario, I need to constantly fetch a new list of Objects through WebService, then for this list, I need to insert/update each …

hibernate or oracle support for timelines?

We have a requirement for persisting, using Hibernate, versioned Java objects into an Oracle database such that each version has a valid-from and valid-until timestamp. This is so we can query for …