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New posts in primary-key
Hibernate / JPA 2 / PostgreSQL - Entity UUID as a Primary Key
Apr 28, 2022
hibernate
postgresql
jpa
primary-key
uuid
Sql combine value of two columns as primary key
Nov 03, 2022
sql
primary-key
JPA @OneToMany and composite PK
Dec 06, 2021
jpa
persistence
primary-key
many-to-one
Do I need a primary key for my table, which has a UNIQUE (composite 4-columns), one of which can be NULL?
Sep 19, 2022
postgresql
database-design
null
indexing
primary-key
SQL: Primary key column. Artificial "Id" column vs "Natural" columns [duplicate]
Apr 10, 2022
sql
primary-key
rdbms
Oracle - return newly inserted key value
Oct 29, 2019
stored-procedures
oracle10g
primary-key
Why do we need to use Foreign Keys? [duplicate]
Sep 16, 2019
mysql
sql
foreign-keys
primary-key
Do MySQL tables need an ID? [duplicate]
Feb 13, 2022
mysql
primary-key
Store and reuse value returned by INSERT ... RETURNING
Aug 25, 2022
sql
postgresql
variables
primary-key
common-table-expression
Insert Where Not Exists-Without Primary Key
Jul 31, 2022
mysql
primary-key
overwrite
How to define a VB.NET DataTable Column as primary key after creation
Mar 13, 2022
vb.net
datatable
primary-key
SQL primary key, INT or GUID or..? [duplicate]
Apr 14, 2022
sql
sql-server
database
database-design
primary-key
What if 2^32 is just not enough?
Oct 26, 2022
sql
mysql
database
primary-key
large-data-volumes
Best Practice to generate uuid ? php OR MySql
Feb 22, 2022
php
mysql
primary-key
uuid
Storing SHA1 Signature as Primary Key in Postgres SQL
Sep 14, 2021
postgresql
primary-key
sha1
Can i use BigDecimal as an id type in hibernate hbm?
Aug 30, 2022
java
hibernate
primary-key
bigdecimal
SQL Server : rename primary key
Oct 26, 2022
sql-server
tsql
primary-key
rename
ddl
MySQL order by primary key
Aug 29, 2022
mysql
sql
sql-order-by
primary-key
JPA: is @PrimaryKeyJoinColumn(...) the same as @JoinColumn(..., insertable = ?, updatable = ?)?
Nov 02, 2018
java
jpa
mapping
primary-key
jpa-2.0
mysql unlimited primary keys auto increment
Mar 15, 2022
php
mysql
primary-key
auto-increment
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