GRANT ALL ON SCHEMA SALES TO GUEST; 创建表 创建新数据库后,创建表以存放您的数据.在创建表时指定列信息. 例如,运行以下命令创建一个名为 DEMO 的表. CREATE TABLE Demo ( PersonID int, City varchar (255) ); 默认情况下,新的数据库对象(例如表)是在数据仓库的创建期间,在名为 public 的默认架构...
您只能将对于外部架构的 GRANT 或 REVOKE USAGE 权限授予使用 ON SCHEMA 语法的数据库用户和用户组。将 ON EXTERNAL SCHEMA 与 AWS Lake Formation 搭配使用时,您只能向 AWS Identity and Access Management (IAM) 角色授予 GRANT 和 REVOKE 权限。有关权限的列表,请参阅“语法”。
1.创建外部架构:外部架构是AWS Glue Data Catalog中定义的外部数据库的命名容器,您可以使用CREATE EXTERNAL SCHEMA命令注册在外部目录中定义的外部数据库,并使外部表可用于 Amazon Redshift。 2.创建一个 IAM 角色:您需要创建一个AWs Identityand Access Management(IAM)角色,该角色有权访问您存储在Amazon S3中的数据。
To download the script and set up the tables, choose rls_createtable.sql. Example 1: Read and write access To grant read and write access, complete the following steps: Define four RLS policies using the secadmin role: all_can_see –No restrictions to be imposed ...
CREATEUSERhouse PASSWORDDISABLE;CREATEUSERcuddy PASSWORDDISABLE;CREATEUSERexternal PASSWORDDISABLE;GRANTROLE staffTOhouse;GRANTROLE managerTOcuddy;GRANTROLE externalTOexternal; 我们可以通过 SELECT 查询查看 RLS 的运行情况: --- As Cuddy, who is a doctor and a managerSETSESSIONAUTHORIZA...
temporary_aws_access_key_id 否 无 AWS 访问密钥必须具有 S3 存储桶的写入权限。 temporary_aws_secret_access_key 否 无 与提供的访问密钥对应的 AWS 机密访问密钥。 temporary_aws_session_token 否 无 与提供的访问密钥对应的 AWS 会话令牌。 tempdir 是 无 Amazon S3 中的可写位置,用于读取时卸载的数据和...
Access to all data platforms from one single pane In addition to your Amazon Redshift audit log, you can instantaneously analyze and investigate your logs from multiple data platforms. For example, you can see what a user did across your Redshift, Snowflake, and SQL server environments in one...
First, we have to create a new user using the following Redshift CREATE USER function. CREATE USER<User Name><‘password’> Now our user is created, and we can grant this user the superuser rights using the ALTER USER command. Following will be the Redshift SQL query that can be execut...
hostandportshould point to the Redshift master node, so security groups and/or VPC will need to be configured to allow access from your driver application. databaseidentifies a Redshift database name userandpasswordare credentials to access the database, which must be embedded in this URL for...
Amazon Redshift allows many types of permissions. More details on the access types and how to grant them inthis AWS documentation. Schema level permissions Usage: Allows users to access objects in the schema. User still needs specific table-level permissions for each table within the schema ...