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,通过psql导入时报下面的错误: 代码语言:javascript 代码运行次数:0 ERROR:relation"t1"already existsERROR:duplic...
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,通过psql导入时报下面的错误: ERROR: relation "t1" already existsERROR: duplicate key value violates unique...
PostgreSQL can use multiple fields as Primary Key (doc) but how to handle that with Exposed DAO ? I tried to use the DAO with a table which is quite complexe. Because example is better than words. Here the SQL : CREATE TABLE table__contacts_first ( contact_id UUID NOT NULL, app_id...
这个错误表明在创建或修改PostgreSQL数据库中的表时,为"ogc_fid"列指定了多个默认值。为了解决这个问题,你需要检查你的SQL语句,确保只为"ogc_fid"列设置一个默认值。 例如,如果你的SQL语句如下: CREATETABLEdata_roads ( ogc_fidINTEGERDEFAULT1, nameVARCHAR(255)NOTNULL,PRIMARYKEY (ogc_fid) );ALTERTABLEdata...
Summary: in this tutorial, you will learn how to use the PostgreSQL INSERT statement to insert multiple rows into a table. Inserting multiple rows into a table To insert multiple rows into a table using a single INSERT statement, you use the following syntax: INSERT INTO table_name (column_...
opensearch-primary-node-fault-tolerância opensearch-update-check rabbit-mq-supported-version rds-aurora-mysql-audit-ativado para registro rds-aurora-postgresql-logspara cloudwatch rds-automatic-minor-version-habilitado para atualização rds-cluster-auto-minor-version-upgrade-enable rds-cluster-default-...
DATABASES = { "default": { "NAME": "app_data", "ENGINE": "django.db.backends.postgresql", "USER": "postgres_user", "PASSWORD": "s3krit", }, "users": { "NAME": "user_data", "ENGINE": "django.db.backends.mysql", "USER": "mysql_user", "PASSWORD": "priv4te", }, } If...
As for master to master, normally we will have the duplicate primary key issues, if we are using this method sharing the autoincrement key among all the application, then we will solve the duplicate primary key issues. Am I right? Is this the common practice for master to master replication...
opensearch-primary-node-fault-tolerância opensearch-update-check rabbit-mq-supported-version rds-aurora-mysql-audit-ativado para registro rds-aurora-postgresql-logspara cloudwatch rds-automatic-minor-version-habilitado para atualização rds-cluster-auto-minor-version-upgrade-enable rds-cluster-default-...
Import CSV File to PostgreSQL database with ASP.NET MVC in Html.DisplayFor(modelItem => item.Genre) what is modelItem? In MVC5 Edit View I need a drop down control with the items from another table InAccessible due to its protection Level Include @Html.ActionLink in a @helper Include and...