Example: Modify Column Type Copy ALTER TABLE employee ALTER COLUMN email TYPE TEXT;PostgreSQL does implicit auto-casting of data from old data type to new data type when you do ALTER COLUM. In some cases, like converting VARCHAR to INT, casting fails and PostgreSQL will give error that column...
are used to change/modify the data type of a column. For example, integer to character, text to varchar, and so on. InPostgreSQL, we can change the data type of one or more than one column using the“ALTER TABLE”and“ALTER COLUMN”commands. ...
SQL Script: Change Column Data Type in PostgreSQL Copy ALTER TABLE Employee ALTER COLUMN PinCode TYPE INT USING PinCode::INTEGER;Note: A column must be empty while changing the type of a column; otherwise it will raise an error. Watch more videos ...
RDS PostgreSQL RDS SQL Server RDS MariaDB 调试 您可以在OpenAPI Explorer中直接运行该接口,免去您计算签名的困扰。运行成功后,OpenAPI Explorer可以自动生成SDK代码示例。 调试 授权信息 下表是API对应的授权信息,可以在RAM权限策略语句的Action元素中使用,用来给RAM用户或RAM角色授予调用此API的权限。具体说明如下: ...
The name of the replication slot on the source data provider. This attribute is only valid for a PostgreSQL or Aurora PostgreSQL source. Shorthand Syntax: CDCStartPosition=string,CDCStartTime=timestamp,CDCStopTime=timestamp,SlotName=string ... JSON Syntax: [ { "CDCStartPosition": "string", "...
Changes the instance type and storage capacity of an ApsaraDB RDS instance. Operation description Supported database engines MySQL PostgreSQL SQL Server MariaDB References Note Fees are generated if the call is successful. Before you call this operation, carefully read the following documentation: Ch...
The network type of the instance. Set the value to VPC. Note This parameter is required if you enable the database proxy feature for an ApsaraDB RDS for MySQL instance that uses cloud disks or an ApsaraDB RDS for PostgreSQL instance. VPC VPCId string No The ID of the virtual private cl...
说明 当前仅 RDS PostgreSQL 实例适用。 false 返回参数 名称类型描述示例值 object 返回参数详情。 RequestId string 请求ID。 777C4593-8053-427B-99E2-105593277CAB 示例 正常返回示例 JSON格式 { "RequestId": "777C4593-8053-427B-99E2-105593277CAB" } 错误码 HTTP status code错误码错误信息描述 400 %s...
The name of the data provider. Type: String Required: No Description A user-friendly description of the data provider. Type: String Required: No Engine The type of database engine for the data provider. Valid values include"aurora","aurora-postgresql","mysql","oracle","postgres","sqlserver"...
RDS PostgreSQL 说明 云数据库 RDS MySQL 集群系列于 2023 年 10 月 17 日起逐步在各个单元赠送代理数量为 1 的数据库独享代理服务,详情请参见【优惠】RDS MySQL 集群版赠送代理数量为 1 的数据库独享代理服务。 调试 您可以在OpenAPI Explorer中直接运行该接口,免去您计算签名的困扰。运行成功后,OpenAPI Explorer...