复制 ERROR:relation"t1"already existsERROR:duplicate key value violates unique constraint"t1_pkey"ERROR:multiple primary keysfortable"t1"are not allowed 2、导入导出的操作 代码语言:javascript 复制 pg_dump-Upostgres-d yzs-Fa-c-C-f all.sql psql<all.sql 3、问题分析 1)通过-c导出时在重建database...
简介:PG备份恢复:multiple primary keys for table "t1" are not allowed 数据库导入导出是最常用的功能之一。PostgreSQL的备份工具可以使用pg_dump及pg_dumpall。可以通过pg_dump --help获取其使用方法。这里不对其做过多介绍。主要介绍在使用pg_dump及恢复过程中遇到的一个问题。 1、问题 使用pg_dump -c导出后...
Multiple primary keys for table are not allowed The cause of error: There is already a primary key created. Check the primary key or drop the existing primary key. Create table and primary key CREATE TABLE test.products( product_id numeric, product_name varchar(500), category varchar(100)...
Describe the bug ERROR: multiple primary keys for table. To Reproduce Steps to reproduce the behavior: Create a new project Add tables via Dashboard Connect project with via CLI and Github via link and supabase db pull which populates mi...
rake db:migrate should run pending migration. Actual behavior gives an error Position: 75: CREATE TABLE "schema_migrations" ("version" character varying PRIMARY KEY PRIMARY KEY PRIMARY KEY) System configuration Rails version: 5.0.1 (also tried in several rails 5 version) ...
pg_restore: [archiver (db)] could not execute query: ERROR: multiple primary keys for table "t1_p1" are not allowed Command was: -- For binary upgrade, must preserve pg_class oids SELECT pg_catalog.binary_upgrade_set_next_index_pg_class_oid('16394'::pg_catalog.oid); ...
resulting in "Multiple primary key defined" on query and error 1068 on replicas, aswell. This issue appears also with temporary tables when the PK is added later, after creation of the table. [B] Is trying to create the invisible PK even if another already exists.How to repeat:For the ...
Sometimes, it becomes necessary for organizations to get rid of this key to insert multiple similar values or null values. The table can have more than one primary key. These additional keys are called composite primary keys. To be precise, multiple primary keys are not assigned to columns, ...
Relational database designs use a set of columns as the primary key for a table. When this set includes more than one column, it is known as a “composite” or “compound” primary key. (For more on the terminology, here is anarticle discussing database keys). ...
(using the same column as the primary key) to the primary table. The only difference in this 2nd question is that you propose to create an artificial primary key for each table and add another column to be used as the foreign key to the primary table. Yes, this is also done and is ...