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Vlad Mihalcea

vladmihalcea.com

2026

Thirteen years of bloggingoriginal ↗
30 Sept 2026
What I learned at DevTalks Cluj-Napoca 2026original ↗
25 Sept 2026
Meet Jos Roseboomoriginal ↗
11 Sept 2026
How to emulate LEFT JOIN FETCH using Record-based projectionsoriginal ↗
27 Feb 2026

2025

The best way to replace the deprecated GenericGeneratororiginal ↗
2 Dec 2025
Book Review – Just Use Postgres!original ↗
24 Nov 2025
The best way to clean up test data with Spring and Hibernateoriginal ↗
11 Nov 2025
Book Review – Troubleshooting Javaoriginal ↗
15 Oct 2025
Twelve years of bloggingoriginal ↗
30 Sept 2025
MySQL Query Optimization with Releemoriginal ↗
12 May 2025
Foundations of AI and Machine Learning for Java Developers Course Revieworiginal ↗
11 Apr 2025
How to map the Oracle TIMESTAMP WITH TIME ZONE with JPAoriginal ↗
18 Mar 2025
MySQL Performance Tuning with Releemoriginal ↗
10 Feb 2025
Why you should use compact table columnsoriginal ↗
14 Jan 2025

2024

High-Performance Java Persistence Newsletter, Issue 69original ↗
12 Dec 2024
Avoid using Set for bidirectional JPA OneToMany collectionsoriginal ↗
26 Nov 2024
JTA Transaction Typeoriginal ↗
14 Nov 2024
The best way to determine the optimal connection pool sizeoriginal ↗
7 Nov 2024
High-Performance Java Persistence Newsletter, Issue 68original ↗
1 Nov 2024
How to use LazyConnectionDataSourceProxy with Spring Data JPAoriginal ↗
25 Oct 2024
RESOURCE_LOCAL JPA Transaction Typeoriginal ↗
14 Oct 2024
High-Performance Java Persistence Newsletter, Issue 67original ↗
7 Oct 2024
Eleven years of bloggingoriginal ↗
30 Sept 2024
Keyset Pagination with Spring Data WindowIteratororiginal ↗
26 Sept 2024
A beginner’s guide to Spring Data Enversoriginal ↗
19 Sept 2024
Embeddable Inheritance with JPA and Hibernateoriginal ↗
10 Sept 2024
High-Performance Java Persistence Newsletter, Issue 66original ↗
2 Sept 2024
Custom Spring Boot Actuator Endpointoriginal ↗
26 Aug 2024
How to integrate Jakarta Data with Spring and Hibernateoriginal ↗
19 Aug 2024
High-Performance Java Persistence Newsletter, Issue 65original ↗
6 Aug 2024
Hibernate SoftDelete annotationoriginal ↗
30 Jul 2024
How to use symbolic links to move the DB data folderoriginal ↗
24 Jul 2024
Book Review – Beginning Helidonoriginal ↗
10 Jul 2024
High-Performance Java Persistence Newsletter, Issue 64original ↗
2 Jul 2024
How to map Java Enum to custom values with JPA and Hibernateoriginal ↗
24 Jun 2024
How does the Hibernate JAVA_TIME_USE_DIRECT_JDBC setting workoriginal ↗
18 Jun 2024
Hibernate WITH RECURSIVE queryoriginal ↗
13 Jun 2024
High-Performance Java Persistence Newsletter, Issue 63original ↗
4 Jun 2024
Hibernate ON CONFLICT DO clauseoriginal ↗
29 May 2024
PostgreSQL COPY result set to fileoriginal ↗
22 May 2024
PostgreSQL plan_cache_modeoriginal ↗
15 May 2024
Overriding FetchType.EAGER with fetchgraphoriginal ↗
8 May 2024
High-Performance Java Persistence Newsletter, Issue 62original ↗
2 May 2024
The best way to use the JPA OneToOne optional attributeoriginal ↗
24 Apr 2024
How to calculate percentiles with SQL PERCENTILE_CONToriginal ↗
18 Apr 2024
PostgreSQL FOR UPDATE vs FOR NO KEY UPDATEoriginal ↗
10 Apr 2024
High-Performance Java Persistence Newsletter, Issue 61original ↗
3 Apr 2024
PostgreSQL Heap-Only-Tuple or HOT Update Optimizationoriginal ↗
26 Mar 2024
PostgreSQL Index Typesoriginal ↗
11 Mar 2024
High-Performance Java Persistence Newsletter, Issue 60original ↗
4 Mar 2024
How to map the OffsetDateTime ZoneOffset with Hibernate TimeZoneColumnoriginal ↗
27 Feb 2024
How to use Java Records with Spring Data JPAoriginal ↗
24 Feb 2024
PostgreSQL Performance Tuning Settingsoriginal ↗
14 Feb 2024
Hibernate StatelessSession JDBC Batchingoriginal ↗
7 Feb 2024
High-Performance Java Persistence Newsletter, Issue 59original ↗
1 Feb 2024
Fetching recursive associations with JPA and Hibernateoriginal ↗
24 Jan 2024
How to use the Java CountDownLatchoriginal ↗
18 Jan 2024
The best way to test the data access layeroriginal ↗
11 Jan 2024
High-Performance Java Persistence Newsletter, Issue 58original ↗
3 Jan 2024

2023

Hibernate StatelessSession Upsertoriginal ↗
19 Dec 2023
The best way to map multiple entities on the same tableoriginal ↗
15 Dec 2023
Spring Load-Time Weavingoriginal ↗
7 Dec 2023
High-Performance Java Persistence Newsletter, Issue 57original ↗
1 Dec 2023
Index Selectivityoriginal ↗
22 Nov 2023
How to cascade DELETE with Spring and Hibernate eventsoriginal ↗
15 Nov 2023
Table partitioning with Spring and Hibernateoriginal ↗
9 Nov 2023
High-Performance Java Persistence Newsletter, Issue 56original ↗
1 Nov 2023
How to cascade DELETE unidirectional associations with Spring Data JPAoriginal ↗
26 Oct 2023
How to batch INSERT statements with MySQL and Hibernateoriginal ↗
18 Oct 2023
The best way to use Spring Data JPA Stream methodsoriginal ↗
11 Oct 2023
High-Performance Java Persistence Newsletter, Issue 55original ↗
3 Oct 2023
Ten years of bloggingoriginal ↗
29 Sept 2023
How to find the source of an SQL query generated by Hibernateoriginal ↗
20 Sept 2023
How to fetch multiple JPA collections with Blaze Persistence MULTISEToriginal ↗
13 Sept 2023
High-Performance Java Persistence Newsletter, Issue 54original ↗
5 Sept 2023
PostgreSQL JDBC Statement Cachingoriginal ↗
31 Aug 2023
The best way to hide the JPA entity identifieroriginal ↗
22 Aug 2023
The best way to use JPA bidirectional sync methodsoriginal ↗
16 Aug 2023
SQL Server useBulkCopyForBatchInsert configuration propertyoriginal ↗
7 Aug 2023
High-Performance Java Persistence Newsletter, Issue 53original ↗
2 Aug 2023
JDBC Profiling with VisualVMoriginal ↗
26 Jul 2023
Soft delete and JPA version propertyoriginal ↗
21 Jul 2023
How to customize the HibernateTypesContributor from Hypersistence Utilsoriginal ↗
11 Jul 2023
High-Performance Java Persistence Newsletter, Issue 52original ↗
4 Jul 2023
Spring Data Query By Exampleoriginal ↗
27 Jun 2023
How to fetch multiple to-many relationships with jOOQ MULTISEToriginal ↗
21 Jun 2023
The best way to use one-to-one table relationshipsoriginal ↗
14 Jun 2023
The best way to validate the DDL schema with Spring and Hibernateoriginal ↗
7 Jun 2023
High-Performance Java Persistence Newsletter, Issue 51original ↗
31 May 2023
Cache synchronization using jOOQ and PostgreSQL functionsoriginal ↗
25 May 2023
SQL Operation Orderoriginal ↗
17 May 2023
Hibernate default entity sequenceoriginal ↗
9 May 2023
High-Performance Java Persistence Newsletter, Issue 50original ↗
3 May 2023
Spring Transaction and Connection Managementoriginal ↗
29 Apr 2023
The best way to call SQL Server stored procedures with jOOQoriginal ↗
19 Apr 2023
PostgreSQL Auto Explainoriginal ↗
13 Apr 2023
High-Performance Java Persistence Newsletter, Issue 49original ↗
4 Apr 2023
The best way to use the Spring Data JPA Specificationoriginal ↗
28 Mar 2023
The best way to use JOIN FETCH and Pagination with Springoriginal ↗
22 Mar 2023
The best way to use Spring Data query methodsoriginal ↗
14 Mar 2023
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