JPA: Query that returns multiple entities JPA Query That Returns Multiple Entities When working with Java Persistence API JPA one common task developers face is querying multiple entities from a databas 3 min read 08-10-2024 27
Finding items with a set containing all elements of a given set with jpql Finding Items with a Set Containing All Elements of a Given Set Using JPQL Understanding the Problem In modern applications handling data relationships efficien 3 min read 08-10-2024 24
retrieving List<Entity> from List<Object[]> JPA Transforming JPA List Object into a List Entity A Guide to Efficient Data Retrieval When working with JPA Java Persistence API and performing queries that retur 3 min read 07-10-2024 27
How to select from subclass entity property using Spring Data / JPQL? Selecting from Subclass Entity Properties with Spring Data and JPQL This article will guide you through selecting properties from subclass entities when working 2 min read 05-10-2024 46
Anyone can translate this JPQL to mySQL Translating JPQL to My SQL A Simple Guide for Everyone JPQL or Java Persistence Query Language is an object oriented query language used in Java applications fo 2 min read 29-09-2024 38
Upgrade from hibernate 5 to hibernate 6.4 causes a wrong generated SQL statement with a strange case when condition Upgrading from Hibernate 5 to Hibernate 6 4 Resolving SQL Generation Issues Upgrading from Hibernate 5 to Hibernate 6 4 may seem straightforward but developers 3 min read 23-09-2024 61
Spring Data JPA/Hibernate: JPQL constructor expressions- difference between using "new(..)" and not using it Understanding JPQL Constructor Expressions in Spring Data JPA Hibernate Java Persistence Query Language JPQL is a powerful tool for retrieving data from a datab 3 min read 21-09-2024 64
JPQL Query With Sub Select Producing Wrong SQL Understanding JPQL Queries with Subselects Troubleshooting SQL Output Issues Java Persistence Query Language JPQL is a powerful query language that allows devel 3 min read 21-09-2024 51
Problem compiling [Select p from shudey.domain.mapping.properties.Property p] issue in query Troubleshooting the Problem Compiling Select p from shudey domain mapping properties Property p Issue in Your Query When working with Java Persistence API JPA o 2 min read 19-09-2024 53
Join parent with children and children with grandchildren in a single query Joining Parent Children and Grandchildren in a Single Query A Comprehensive Guide In relational databases retrieving information from multiple related tables ca 2 min read 17-09-2024 49
JPQL Create new Object In Select Statement - avoid or embrace? Creating Objects in JPQL To Embrace or Avoid The ability to create new objects within JPQL queries like the example below offers a unique way to structure data 2 min read 07-09-2024 68
Is Select EXISTS() possible in JPQL? Understanding and Resolving Unexpected End of Subtree Error in JPQL EXISTS Queries The user is attempting to use the EXISTS function within a JPQL query to chec 2 min read 07-09-2024 57
What is the BINARY operator equivalent in JPQL？ Case Sensitive Comparisons in JPQL A Guide to Emulating BINARY While JPQL doesnt offer a direct equivalent of SQLs BINARY operator its still possible to achieve 2 min read 06-09-2024 48
Passing a parameter in a jpql query select Passing Parameters to Constructor Expressions in JPQL Queries This article explores the intricacies of passing parameters to constructor expressions within JPQL 2 min read 06-09-2024 61
Dealing with empty or null collection parameter in JPA Handling Empty Collections in JPA Queries A Comprehensive Guide This article delves into the challenges of working with empty or null collections as parameters 2 min read 06-09-2024 59
Subtract years from current_date in JPQL Subtracting Years from the Current Date in JPQL When working with databases often you need to manipulate dates to filter data based on specific timeframes For e 2 min read 04-09-2024 45
JPQL How to check if list contains any items from the input list Mastering JPQL Checking for List Overlap in Your Queries JPQL the Java Persistence Query Language is a powerful tool for interacting with your database But some 2 min read 03-09-2024 50
NamedBasicTypeImpl EntityValuedModelPart are in unnamed module of loader 'app' Unraveling the Named Basic Type Impl cannot be cast to Entity Valued Model Part Error in Spring Data JPA This article tackles a common error encountered in Spri 3 min read 03-09-2024 54
@SqlResultSetMapping with ConstructorResult checks for all the field using BeanProperty Hibernate 6 2 and Sql Result Set Mapping with Constructor Result A Deep Dive into Instantiation Errors Upgrading to Hibernate 6 2 can sometimes bring unexpected 2 min read 02-09-2024 65
JPQL issues with Spring boot 3 migration Navigating JPQL Issues in Spring Boot 3 Migration A Guide to Type Mismatch Errors Spring Boot 3 with its underlying Hibernate 6 introduces stricter type checkin 3 min read 02-09-2024 50
Why does Blaze-Persistence project count queries for pagination despite potential performance issues? Understanding Blaze Persistences Count Query for Pagination A Deep Dive Blaze Persistence is a popular Java persistence framework known for its powerful feature 3 min read 29-08-2024 60
Entity Inheritance and query filtering Mastering Entity Inheritance and Query Filtering in Spring Boot and JPA Entity inheritance is a powerful technique in object oriented programming enabling you t 2 min read 29-08-2024 45
com.microsoft.sqlserver.jdbc.SQLServerException: Invalid object name 'track_SEQ' Troubleshooting com microsoft sqlserver jdbc SQL Server Exception Invalid object name track SEQ in Spring Boot with SQL Server This error message com microsoft 3 min read 27-08-2024 54