MERGE INTO YourTable T USING other_table S ON T.id = S.id AND S.tsql = 'cool' WHEN MATCHED THEN UPDATE SET col1 = S.col1, col2 = S.col2; 或者 MERGE INTO YourTable T USING ( SELECT id, col1, col2 FROM other_table WHERE tsql = 'cool' ) S ON T.id = S.id WHEN MAT...
(Update Table From Other Table with SQL Select) Up to now we have updated data by providing explicitly and directly in a SQL query. In complex databases and applications, data can be provided from other tables. We can update data by fetching it from other tables by using the UPDATE SQL s...
With that, you shouldhave a solid understandingof two different methods that can be used toUPDATErecords in SQL by using secondary, comparativeSELECTstatements. 这样,您应该对使用UPDATE辅助比较SELECT语句在SQL中进行记录的两种不同方法有深入的了解。 原文: https://chartio.com/resources/tutorials/how-to-...
Performing anUPDATEusing a secondarySELECTstatementcan be accomplished in one of two ways, primarily depending upon which version of SQL Server you are using. 使用辅助语句来执行UPDATE,可以通过以下两种方法之一来完成,这主要取决于所使用的SQL Server版本。 We’llbriefly exploreboth options so you can fi...
UPDATE table_name SET column_name = new_value WHERE columnname IN (value1...); Example: -- To update the status UPDATE Intellipaat SET status = 'Inactive' WHERE id IN (2, 4, 5); -- To check the updated records Select * from Intellipaat; Output: Explanation: The UPDATE statement ...
语句已终止。产生这类信息的原因是，你创建了默认的外键约束。默认的就是，为了保证数据的完整性，比如有父子关系的两表。你必须先删除掉子表的数据，让父表的数据，没有子表数据的时候，才能删除。目的是为了避免，子表中有太多的 孤儿数据。如果想避免，可以加上 DELETE CASCADE / UPDATE CASCADE ...
Update TrnVendor Set Name = 'Vanix' Where VendId = 'TV001';To check the vendor name to see that it has changed, type: Select VendId, Name from TrnVendor where VendId = 'TV001';To commit the change, type: Commit work; Note: You can run multiple SQL statements at the same ...
SQL CREATE DATABASE Statement SQL CREATE TABLE SQL DROP DATABASE Statement SQL DROP TABLE Statement SQL ALTER TABLE Statement SQL BACKUP DATABASE Statement SQL Insert, Update and Delete SQL INSERT INTO SQL UPDATE SQL SELECT INTO (Copy Table) SQL INSERT INTO SELECT Statement SQL DELETE and TRUNCAT...
UPDATEtable_name SETcolumn1=value1,column2=value2, ... WHEREcondition; Note:Be careful when updating records in a table! Notice theWHEREclause in theUPDATEstatement. TheWHEREclause specifies which record(s) that should be updated. If you omit theWHEREclause, all records in the table will be...
报错:failed to import foreign schema from odps:Table not found -xxx 问题原因:查询的表在MaxCompute中不存在。 解决方法:前往MaxCompute确认表是否存在。 ERRCODE_UNIQUE_VIOLATION或者pk violates 报错:Update row with Key (id)=(xxxx) multiple times或者duplicate key value violates unique constraint ...