检测到您已登录华为云国际站账号，为了您更好的体验，建议您访问国际站服务网站 https://www.huaweicloud.com/intl/zh-cn
不再显示此消息
检测到您已登录华为云国际站账号，为了您更好的体验，建议您访问国际站服务网站 https://www.huaweicloud.com/intl/zh-cn
不再显示此消息
Add, Delete, Modify, and Query operations on entire rows are frequently performed. Column storage Only necessary columns in a query are read. The homogeneity of data within a column facilitates efficient compression.
CALL dynamic_proc(); -- Delete the stored procedure. DROP PROCEDURE dynamic_proc; OPEN FOR Dynamic query statements can be executed by using OPEN FOR to open dynamic cursors. For details about the syntax, see Figure 3.
Add, Delete, Modify, and Query operations on entire rows are frequently performed. Column storage Only necessary columns in a query are read. The homogeneity of data within a column facilitates efficient compression.
Start cancel publication. cancel publication end, no delete disaster object. Start add publication. add publication end, no add disaster object. alter publication end, [time]: 0.000s.
Create a replication table node group using the CREATE NODE GROUP SQL statement and delete one using DROP NODE GROUP. Before deleting a replication table node group, delete all table objects in the node group.
The with_query detailed format is as follows: with_query_name [ ( column_name [, ...] ) ] AS ( {select | values | insert | update | delete} ) with_query_name specifies the name of the result set generated by a subquery.
After executing batch INSERT and DELETE operations, you are advised to run the ANALYZE statement on the table or the entire database to update statistics. By default, 30,000 rows of statistics are sampled.
The sequence will be deleted when you delete its associated field or the table where the field belongs. 1 ALTER SEQUENCE seq1 OWNED BY T2.id; If the following information is displayed, the owner has been set: 1 ALTER SEQUENCE Methods 1 and 2 are similar except that method 2 specifies
Delete the tables created before. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 DROP TABLE store_sales; DROP TABLE date_dim; DROP TABLE store; DROP TABLE item; DROP TABLE time_dim; DROP TABLE promotion; DROP TABLE customer_demographics; DROP TABLE customer_address
attribute_name [ CASCADE | RESTRICT ] ALTER ATTRIBUTE attribute_name [ SET DATA ] TYPE data_type [ COLLATE collation ] [ CASCADE | RESTRICT ] Add a new attribute to a composite type. 1 ALTER TYPE name ADD ATTRIBUTE attribute_name data_type [ COLLATE collation ] [ CASCADE | RESTRICT ] Delete
= 'play gym' WHEN NOT MATCHED THEN INSERT VALUES (np.product_id, np.product_name, np.category) WHERE np.category = 'books'; Query updates: 1 SELECT * FROM products ORDER BY product_id; Delete a table: 1 2 DROP TABLE products; DROP TABLE newproducts; Parent topic: DML Syntax
When you cannot log in to Data Studio due to a damaged security key, perform the following steps to generate a new security key: Delete the security folder in Data Studio > UserData.
After the separation of duties is enabled, only the system administrator has the permission to create, modify, delete, and allocate logical clusters. Accessing a logical cluster requires permissions.
(Optional) If the Task Information is other than DR not started, delete the DR task. For details, see Deleting a DR Task. In the Operation column of the production and DR clusters, choose More > Scale Out. Create a DR task.
You can check it in the snapshot list and manually delete it if it is no longer necessary. During the change, the cluster is read-only, affecting intelligent O&M tasks. You are advised to start these tasks after the change or pause them before the change.
After a cluster is converted into a logical cluster, you can create, modify, or delete a resource pool in the logical cluster. This feature is supported only by clusters of version 8.0 or later. Resources cannot be managed during offline scale-out.
the target table: 1 DROP TABLE product_info; If the following output is displayed, the foreign table has been deleted: DROP TABLE Run the following statement to delete the foreign table: 1 DROP FOREIGN TABLE product_info_ext; If the following output is displayed, the foreign table
The delete operation is performed on the partition [4-26] on April 30, and the insert operation is performed on the partition [4-27] on April 29. Therefore, partitions [4-26][4-27][4-29][4-30] are retained as hot partitions.
Value range: enumerated values origin indicates that the system copies operations such as insert, delete, and update from the current session. replica indicates that the system copies operations such as insert, delete, and update from other places to the current session. local indicates
Value range: enumerated values origin indicates that the system copies operations such as insert, delete, and update from the current session. replica indicates that the system copies operations such as insert, delete, and update from other places to the current session. local indicates
