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Total of 181 Orm Solutions
What is the solution for the N+1 issue in JPA and Hibernate?
Java
Hibernate
Jpa
Design Patterns
Orm
Difference between HasOne and BelongsTo in Sequelize ORM
node.js
Orm
sequelize.js
SQLAlchemy: How do you delete multiple rows without querying
Python
Orm
Sqlalchemy
Microservices with shared database? using multiple ORM's?
Database
Database Design
Orm
Architecture
Microservices
scoped_session(sessionmaker()) or plain sessionmaker() in sqlalchemy?
Python
Django
Orm
Sqlalchemy
Flask Sqlalchemy
How To Define a JPA Repository Query with a Join
Java
Jpa
Orm
Repository
Jpql
Do Hibernate table classes need to be Serializable?
Java
Hibernate
Orm
Serializable
How to limit size of result set in doctrine 2?
Php
Orm
Doctrine Orm
Doctrine 2 Inheritance Mapping with Association
Php
Inheritance
Orm
Doctrine
Doctrine Orm
How to clone a JPA entity
Java
Jpa
Orm
Entity
Clone
How to update database table schemas with NHibernate schema generation?
.Net
Nhibernate
Orm
Fluent Nhibernate
Schema
SQLAlchemy ManyToMany secondary table with additional fields
Python
Orm
Sqlalchemy
Many to-Many
Flask Sqlalchemy
Saving child collections with OrmLite on Android with objects created from Jackson
Java
Android
Orm
Jackson
Ormlite
How does group by works in sequelize?
Javascript
Sql
Orm
sequelize.js
Query Builder
What does the Hibernate proxy object contain?
Java
Hibernate
Orm
Proxy
Hibernate Mapping
Eclipse does not recognize content of persistence.xml
Java
Eclipse
Orm
Jpa
M2eclipse
What is Entity Framework fluent api?
C#
Entity Framework
Orm
Entity Framework-4
Ef Fluent-Api
Grails domain class: unique constraint for multiple columns
Grails
Orm
Unique Constraint
Grails Domain-Class
Grails Validation
What's new in Hibernate ORM 5?
Java
Hibernate
Jpa
Orm
Hibernate 5.x
sequelize "findbyid" is not a function but apparently "findAll" is
node.js
Orm
sequelize.js
How to solve the LazyInitializationException when using JPA and Hibernate
Java
Hibernate
Jpa
Orm
Lazy Initialization
Entity Framework Code First - two Foreign Keys from same table
C#
Entity Framework
Orm
Code First
Entity Framework-4.1
How to delete rows from a table using an SQLAlchemy query without ORM?
Python
Orm
Sqlalchemy
What Java ORM do you prefer, and why?
Java
Orm
Doctrine2: Best way to handle many-to-many with extra columns in reference table
Php
Orm
Model
Doctrine
Doctrine Orm
Accelerate bulk insert using Django's ORM?
Django
Optimization
Orm
Bulkinsert
Any good ORM tools for Android development?
Java
Android
Sqlite
Orm
Crud
Get Specific Columns Using “With()” Function in Laravel Eloquent
Php
Laravel
Orm
Eloquent
Laravel Query-Builder
Which Micro ORM to use?
C#
.Net
Orm
Using only the DB part of Django
Python
Django
Orm
What is the difference between a session and a transaction in JPA 2.0?
Java
Hibernate
Orm
Jpa
Persistence
JPA Enum ORDINAL vs STRING
Java
Orm
Jpa
Enums
Eclipselink
Hibernate hbm2ddl.auto, possible values, and what they do
Hibernate
Orm
Properties
Hbm2ddl
Django query annotation with boolean field
Python
Django
Orm
Django Queryset
Using an ORM or plain SQL?
Sql
Language Agnostic
Orm
Good PHP ORM Library?
Php
Database
Orm
Add a custom attribute to a Laravel / Eloquent model on load?
Php
Orm
Laravel
Eloquent
Django queries - id vs pk
Django
Orm
Primary Key
Hibernate throws org.hibernate.AnnotationException: No identifier specified for entity: com..domain.idea.MAE_MFEView
Hibernate
Jpa
Orm
Identifier
Hibernate Annotations
How to fix org.hibernate.LazyInitializationException - could not initialize proxy - no Session
Java
Hibernate
Session
Orm
Lazy Loading
What are some good Python ORM solutions?
Python
Orm
How to map a composite key with JPA and Hibernate?
Java
Hibernate
Jpa
Orm
Composite Key
Performing Inserts and Updates with Dapper
C#
Orm
Dapper
What is an ORM, how does it work, and how should I use one?
Database
Orm
Language Agnostic
How to select specific columns in laravel eloquent
Laravel
Laravel 5
Orm
Eloquent
Is there a way to call a stored procedure with Dapper?
.Net
Stored Procedures
Orm
Dapper
Map enum in JPA with fixed values?
Java
Spring
Orm
Jpa
Enums
How to query between two dates using Laravel and Eloquent?
Php
Laravel
Laravel 5
Orm
SQLAlchemy: engine, connection and session difference
Python
Session
Orm
Sqlalchemy
Psycopg2
How to persist a property of type List<String> in JPA?
Java
Orm
Jpa
Difference Between One-to-Many, Many-to-One and Many-to-Many?
Java
Hibernate
Orm
Many to-Many
One to-Many
Doctrine - How to print out the real sql, not just the prepared statement?
Php
Mysql
Orm
Doctrine
Doctrine Query
What is lazy loading in Hibernate?
Java
Hibernate
Orm
Lazy Loading
When and why JPA entities should implement the Serializable interface?
Java
Hibernate
Serialization
Orm
Jpa
How to select a record and update it, with a single queryset in Django?
Sql
Django
Django Models
Orm
Django Queryset
Get the Query Executed in Laravel 3/4
Php
Laravel
Orm
Eloquent
Laravel Query-Builder
What is choice_set in this Django app tutorial?
Python
Django
Orm
Bulk insert with SQLAlchemy ORM
Python
Mysql
Database
Orm
Sqlalchemy
How to fix the Hibernate "object references an unsaved transient instance - save the transient instance before flushing" error
Java
Hibernate
Jpa
Orm
Entity
Hibernate vs JPA vs JDO - pros and cons of each?
Java
Hibernate
Orm
Jpa
Jdo
What is the difference between Unidirectional and Bidirectional JPA and Hibernate associations?
Java
Hibernate
Jpa
Orm
Associations
What is the difference between an ORM and an ODM?
Database
Orm
Odm
What's the difference between JPA and Spring Data JPA?
Java
Hibernate
Jpa
Orm
Spring Data-Jpa
What is the "owning side" in an ORM mapping?
Java
Hibernate
Orm
Jpa
Mapping
How to set a default entity property value with Hibernate
Java
Hibernate
Orm
Entity
Default Value
Unique fields that allow nulls in Django
Django
Orm
Django Models
LINQ To Entities does not recognize the method Last. Really?
C#
Entity Framework
Orm
How do I map lists of nested objects with Dapper
Orm
Dapper
Hibernate Annotations - Which is better, field or property access?
Java
Hibernate
Orm
Jpa
Annotations
What's the difference between JPA and Hibernate?
Java
Hibernate
Jpa
Jakarta Ee
Orm
How to make join queries using Sequelize on Node.js
Mysql
node.js
Orm
sequelize.js
How to Make Laravel Eloquent "IN" Query?
Php
Laravel
Orm
Eloquent
Difference between FetchType LAZY and EAGER in Java Persistence API?
Java
Hibernate
Jpa
Orm
Java Persistence-Api
Entity Framework .Remove() vs. .DeleteObject()
C#
Database
Entity Framework
Orm
Why do we need entity objects?
Sql
Database
Orm
Entities
Efficiently updating database using SQLAlchemy ORM
Python
Orm
Sqlalchemy
JPA CascadeType.ALL does not delete orphans
Java
Hibernate
Orm
Jpa
Jpa 2.0
What is Persistence Context?
Java
Jpa
Orm
Persistence
SQLAlchemy: how to filter date field?
Python
Sql
Database
Orm
Sqlalchemy
How to annotate MYSQL autoincrement field with JPA annotations
Java
Mysql
Orm
Jpa
Annotations
Filter by property
Python
Django
Orm
What's the use of session.flush() in Hibernate
Java
Hibernate
Orm
flask-sqlalchemy or sqlalchemy
Python
Flask
Orm
Sqlalchemy
Flask Sqlalchemy
Why should you use an ORM?
Database
Orm
What is the difference between persist() and merge() in JPA and Hibernate?
Java
Hibernate
Jpa
Orm
Entity
PHP ORMs: Doctrine vs. Propel
Php
Orm
Symfony1
Doctrine
Propel
Hibernate Error: org.hibernate.NonUniqueObjectException: a different object with the same identifier value was already associated with the session
Java
Hibernate
Orm
JPQL IN clause: Java-Arrays (or Lists, Sets...)?
Sql
Orm
Jpa
Jpql
Named Query
How to map calculated properties with JPA and Hibernate
Java
Hibernate
Jpa
Orm
Hibernate Mapping
JPA JoinColumn vs mappedBy
Java
Hibernate
Jpa
Orm
org.hibernate.MappingException: Could not determine type for: java.util.List, at table: College, for columns: [org.hibernate.mapping.Column(students)]
Java
Hibernate
Orm
Why does Hibernate require no argument constructor?
Java
Hibernate
Orm
Factory Pattern
How Pony (ORM) does its tricks?
Python
Orm
Metaprogramming
Dsl
Ponyorm
Multiple columns index when using the declarative ORM extension of sqlalchemy
Python
Database
Orm
Indexing
Sqlalchemy
NHibernate vs LINQ to SQL
Linq
Nhibernate
Linq to-Sql
Orm
Are there good reasons not to use an ORM?
C#
Orm
Enterprise
Do I need <class> elements in persistence.xml?
Java
Hibernate
Orm
Jpa
Annotations
Storing a Map<String,String> using JPA
Java
Jpa
Orm
Jpa 2.0
What are detached, persistent and transient objects in hibernate?
Java
Hibernate
Orm
@Basic(optional = false) vs @Column(nullable = false) in JPA
Java
Orm
Jpa
How can you do paging with NHibernate?
.Net
Nhibernate
Orm
Pagination
JPA: How to have one-to-many relation of the same Entity type
Java
Orm
Jpa
Hierarchy
One to-Many
Specifying an Index (Non-Unique Key) Using JPA
Java
Hibernate
Orm
Jpa
Datanucleus
How should equals and hashcode be implemented when using JPA and Hibernate
Java
Hibernate
Orm
Equals
Hashcode
How to map an entity field whose name is a reserved word in JPA
Java
Sql Server
Hibernate
Orm
Jpa
How to auto generate migrations with Sequelize CLI from Sequelize models?
Mysql
node.js
Orm
sequelize.js
Infinite Recursion with Jackson JSON and Hibernate JPA issue
Java
Json
Orm
Spring Mvc
Jackson
mappedBy reference an unknown target entity property
Java
Hibernate
Orm
Hibernate Annotations
What is the "N+1 selects problem" in ORM (Object-Relational Mapping)?
Orm
Select N-Plus-1
How to remove entity with ManyToMany relationship in JPA (and corresponding join table rows)?
Java
Hibernate
Jpa
Orm
Laravel Eloquent vs DB facade: Why use Eloquent and decrease performance?
Laravel
Performance
Eloquent
Orm
Query Builder
Is it possible to generate django models from the database?
Database
Django
Oracle
Orm
The EntityManager is closed
Symfony
Orm
Doctrine Orm
Entitymanager
Why does django's prefetch_related() only work with all() and not filter()?
Django
Orm
Filter
Prefetch
Using Eloquent ORM in Laravel to perform search of database using LIKE
Orm
Laravel
Eloquent
Sql Like
How to print a query string with parameter values when using Hibernate
Java
Sql
Hibernate
Orm
Entity Framework is Too Slow. What are my options?
.Net
Performance
Entity Framework
Orm
JPA: how do I persist a String into a database field, type MYSQL Text
Java
Mysql
Orm
Jpa
Hibernate: flush() and commit()
Java
Hibernate
Orm
Clarifying terminology - What does "hydrating" a JPA or Hibernate entity mean when fetching the entity from the DB
Java
Hibernate
Jpa
Orm
Lazy Loading
When should I use a custom Manager versus a custom QuerySet in Django?
Python
Django
Orm
Django Managers
What is referencedColumnName used for in JPA?
Hibernate
Jpa
Orm
Eclipselink
Openjpa
Why is SQLAlchemy insert with sqlite 25 times slower than using sqlite3 directly?
Python
Orm
Sqlite
Sqlalchemy
What is an Object-Relational Mapping Framework?
Orm
Multiple unique constraints in JPA
Java
Hibernate
Jpa
Orm
Datanucleus
How to use an include with attributes with sequelize?
node.js
Orm
sequelize.js
Relationship
Hibernate show real SQL
Java
Sql
Hibernate
Orm
Get the last insert id with doctrine 2?
Php
Orm
Doctrine
Lastinsertid
session.connection() deprecated on Hibernate?
Java
Hibernate
Orm
Conversion of a datetime2 data type to a datetime data type results out-of-range value
C#
Sql Server
Entity Framework
Datetime
Orm
Connecting postgresql with sqlalchemy
Python
Database
Postgresql
Orm
Sqlalchemy
A list of Entity Framework providers for various databases
.Net
Database
Entity Framework
Orm
SQL Alchemy ORM returning a single column, how to avoid common post processing
Python
Orm
Sqlalchemy
FLOW3 action parameters and arrays of objects
Php
Model View-Controller
Orm
Typo3 Flow
What do scale and precision mean when specifying a decimal field type in Doctrine 2?
Database
Symfony
Orm
Types
Doctrine Orm
How to limit columns returned by Django query?
Django
Orm
What's the best strategy for unit-testing database-driven applications?
Database
Unit Testing
Orm
Mocking
Dapper.Rainbow VS Dapper.Contrib
Orm
Dapper
Dapper Rainbow
What is the difference between fetch="EAGER" and fetch="LAZY" in doctrine
Orm
Doctrine Orm
Many to-Many
What is the difference between @ManyToOne(optional=false) vs. @Column(nullable=false)
Java
Hibernate
Orm
Jpa
Having Separate Domain Model and Persistence Model in DDD
C#
Orm
Architecture
Domain Driven-Design
Domain Model
Default value in Doctrine
Php
Orm
Doctrine Orm
How does Hibernate detect dirty state of an entity object?
Java
Hibernate
Orm
Entity Relationship
Identity
Django "Cannot add or update a child row: a foreign key constraint fails"
Mysql
Django
Orm
Foreign Keys
JPQL Create new Object In Select Statement - avoid or embrace?
Java
Hibernate
Orm
Jpa
Jpql
Entity Framework and MongoDb
Entity Framework
Orm
Mongodb
JPA: Implementing Model Hierarchy - @MappedSuperclass vs. @Inheritance
Java
Hibernate
Jpa
Inheritance
Orm
ORM Entities vs. Domain Entities under Entity Framework 6.0
Entity Framework
Orm
Domain Model
Unable to create requested service [org.hibernate.engine.jdbc.env.spi.JdbcEnvironment]
Java
Hibernate
Postgresql
Jdbc
Orm
Why use JPA instead of writing the SQL query using JDBC?
Java
Database
Jpa
Jdbc
Orm
Should I enable or disable dynamic proxies with entity framework 4.1 and MVC3?
Entity Framework
Orm
Entity Framework-4.1
Ef Code-First
Dynamic Proxy
Select the first 10 rows - Laravel Eloquent
Php
Orm
Laravel
Eloquent
Hibernate, iBatis, Java EE or other Java ORM tool
Java
Hibernate
Orm
Jakarta Ee
Ibatis
JPA - Persisting a One to Many relationship
Java
Jpa
Orm
One to-Many
How to turn off hbm2ddl?
Java
Hibernate
Orm
Hbm2ddl
Doctrine 2 ArrayCollection filter method
Orm
Doctrine Orm
Lazy Loading
Arraycollection
JPA vs ORM vs Hibernate?
Java
Hibernate
Jpa
Orm
How to store a dictionary on a Django Model?
Python
Django
Django Models
Orm
Persistence
how to pass a not like operator in a sqlalchemy ORM query
Orm
Sqlalchemy
Negation
Getting Database connection in pure JPA setup
Java
Hibernate
Orm
Jpa
Jdbc
difference between objects.create() and object.save() in django orm
Python
Django
Orm
What are the advantages of using an ORM?
Orm
Use Django ORM as standalone
Python
Django
Postgresql
Orm
Get DateTime as UTC with Dapper
C#
.Net
Orm
Utc
Dapper
AngularJS: Creating Objects that map to REST Resources (ORM-Style)
Javascript
Web Applications
Orm
Angularjs
Difference between @Size, @Length and @Column(length=value) when using JPA and Hibernate
Java
Hibernate
Validation
Jpa
Orm
Which ORM should I use for Node.js and MySQL?
Mysql
Orm
node.js
What is the best way to improve performance of NHibernate?
.Net
Performance
Nhibernate
Orm
Data Access-Layer
How to TRUNCATE TABLE using Django's ORM?
Python
Sql
Django
Orm
Truncate
.net ORM Comparison
.Net
Orm
Comparison
JPA CriteriaBuilder - How to use "IN" comparison operator
Hibernate
Jpa
Orm
Jpa 2.0
Criteria Api
belongsTo vs hasMany in Sequelize.js
Sql
node.js
Orm
sequelize.js
Laravel - Eloquent "Has", "With", "WhereHas" - What do they mean?
Laravel
Orm
Eloquent
Relational Database
Relationship
Where condition for joined table in Sequelize ORM
Javascript
Sql
Postgresql
Orm
sequelize.js
How can I design a Java web application without an ORM and without embedded SQL
Oop
Design Patterns
Orm
Difference between @GeneratedValue and @GenericGenerator
Java
Hibernate
Orm
Detach an entity from JPA/EJB3 persistence context
Java
Orm
Jpa
Life without JOINs... understanding, and common practices
Orm
Nosql
Hadoop
Join
Bigtable
How to map a PostgreSQL array with Hibernate
Java
Arrays
Postgresql
Hibernate
Orm
Django: show/log ORM sql calls from python shell
Django
Orm
How can I iterate over ManyToManyField?
Python
Database
Django
Orm
Model