INSERT INTO Table2(Id, Name) SELECT Id, Name FROM Table1 但是,在我的情况下,可能存在重复的ID Table2(在我的情况下,它只是“ 1”),我不想再次复制该ID ,因为这会引发错误。 我可以这样写: IF NOT EXISTS(SELECT 1 FROM Table2 WHERE Id=1) INSERT INTO Table2 (Id, name) SELECT Id, name FR...
You can useSELECT FROMstatement to retrieve data from this table, then use anINSERT INTOto add that set of data into another table, and two statements will be nested in one single query. 1. Insert an entire column’s data The general syntax would be: INSERT INTO table_a (col1a) ...
INSERT INTO SELECT Syntax Copy all columns from one table to another table: INSERTINTOtable2 SELECT*FROMtable1 WHEREcondition; Copy only some columns from one table into another table: INSERTINTOtable2(column1,column2,column3, ...) SELECTcolumn1,column2,column3, ... ...
syntaxsql 复制 -- Syntax for SQL Server and Azure SQL Database and Fabric SQL database [ WITH <common_table_expression> [ ,...n ] ] INSERT { [ TOP ( expression ) [ PERCENT ] ] [ INTO ] { <object> | rowset_function_limited [ WITH ( <Table_Hint_Limited> [ ...n ] ) ] ...
INSERT INTO db1_name(field1,field2) VALUES SELECT field1,field2 FROM db2_name 1. 否则也会报错: 复制 You have an error in your SQL syntax 1. 关于MySQL数据库的语法知识就介绍到这里了,如果您想了解更多MySQL数据库的知识,可以看一下这里的文章:http://database.51cto.com/mysql/,相信会带给您收...
syntaxsql 複製 -- Syntax for Azure Synapse Analytics and Parallel Data Warehouse and Microsoft Fabric INSERT [INTO] { database_name.schema_name.table_name | schema_name.table_name | table_name } [ ( column_name [ ,...n ] ) ] { VALUES ( { NULL | expression } ) | SELECT <select...
syntaxsql 复制 -- Syntax for SQL Server and Azure SQL Database and Fabric SQL database [ WITH <common_table_expression> [ ,...n ] ] INSERT { [ TOP ( expression ) [ PERCENT ] ] [ INTO ] { <object> | rowset_function_limited [ WITH ( <Table_Hint_Limited> [ ...n ] ) ] ...
syntaxsql コピー -- Syntax for SQL Server and Azure SQL Database and Fabric SQL database [ WITH <common_table_expression> [ ,...n ] ] INSERT { [ TOP ( expression ) [ PERCENT ] ] [ INTO ] { <object> | rowset_function_limited [ WITH ( <Table_Hint_Limited> [ ...n ] ) ...
syntaxsql 复制 -- Syntax for SQL Server and Azure SQL Database and Fabric SQL database [ WITH <common_table_expression> [ ,...n ] ] INSERT { [ TOP ( expression ) [ PERCENT ] ] [ INTO ] { <object> | rowset_function_limited [ WITH ( <Table_Hint_Limited> [ ...n ] ) ] ...
syntaxsql Másolás -- Syntax for Azure Synapse Analytics and Parallel Data Warehouse and Microsoft Fabric INSERT [INTO] { database_name.schema_name.table_name | schema_name.table_name | table_name } [ ( column_name [ ,...n ] ) ] { VALUES ( { NULL | expression } ) | SELECT <...