INSERTINTOtable_name(column1,column2,column3)SELECTvalue1,value2,value3FROManother_tableWHEREcondition; 在上述示例中,table_name是要插入数据的表名,column1、column2和column3是要插入的列名,value1、value2和value3是子查询返回的值,another_table是包含要插入的值的另一个表,condition是一个可选的条件...
In case you insert data into multiple columns, but only some columns need to import from the table_b, some columns need to import from another set of data: INSERT INTO table_a (col1a, col2a, col3a, col4a …) SELECT table_b.col1b, 'other value', table_b.col3b, 'another_val...
INSERT INTO语句的第一种写法是最基本的插入方式,用于向表中插入指定的数据。以下是具体的写法及示例代码: INSERT INTO table_name (column1, column2, ..., columnN) VALUES (value1, value2, ..., valueN); 在上述示例代码中,table_name是要插入数据的目标表的名称,column1, column2, ..., columnN...
在关系数据库中,通过使用INSERT INTO语句可以将数据插入到表中的一个或多个列中。 INSERT INTO语句有三种常见的写法,它们分别是: 省略列名写法: INSERT INTO table_name VALUES (value1, value2, ...); 这种写法是最简单的方式,它忽略了列名,直接将数据按照表中列的顺序插入到对应的列中。值得注意的是,插入...
INSERT INTO table_name VALUES (value1, value2, value3, ...); 复制代码 另外,还可以使用SELECT语句来插入数据,如下: INSERT INTO table_name (column1, column2, column3, ...) SELECT value1, value2, value3, ... FROM another_table_name; 复制代码 这种方式可以从另一个表中选择数据并插入到当...
在SQL中,INSERT语句用于向数据库表中插入新的行。INSERT语句的用法有以下几种:1. 插入全部列:INSERT INTO table_name VALUES (value1, value2,...
INSERT INTO departments(department_id, department_name) VALUES ( 80 , 'IT'); 1. 2. 情况3 :同时插入多条记录 INSERT语句可以同时向数据表中插入多条记录,插入时指定多个值列表,每个值列表之间用逗号分隔开,基本语法格式如下: INSERT INTO table_name ...
VALUES (value1, value2, ...),(value1, value2, ...),...```这种形式的INSERT语句可以一次性向表中插入多行数据,每行数据之间用逗号分隔。3. 插入查询结果:```INSERT INTO table_name (column1, column2, ...)SELECT column1, column2, ...FROM another_table WHERE condition;```这种形式的...
The INSERT INTO ... SELECT statement allows inserting data into a table by selecting rows from another table or query result. In this case, countries is the destination table where the data will be inserted. SELECT * FROM country_new retrieves all columns and rows from the 'country_new' ...
> both have primary keys(Integer, Not Null,Unique and Auto Increment) If they're PKs, it's redundant to also declare them unique. To see what's going on, run the SEELCT portion of that query by itself.Navigate: Previous Message• Next Message Options: Reply• Quote ...