不同數(shù)據(jù)庫系統(tǒng)添加列的語法有什么區(qū)別

不同數(shù)據(jù)庫系統(tǒng)添加列的語法為：mysql：ALTER TABLE table_name ADD column_name data_type;PostgreSQL：ALTER TABLE table_name ADD COLUMN column_name data_type;oracle：ALTER TABLE table_name ADD (column_name data_type);SQL Server：ALTER TABLE table_name ADD column_name data_

不同數(shù)據(jù)庫系統(tǒng)添加列的語法

MySQL

ALTER TABLE table_name ADD column_name data_type;

PostgreSQL

ALTER TABLE table_name ADD COLUMN column_name data_type;

Oracle

ALTER TABLE table_name ADD (column_name data_type);

SQL Server

ALTER TABLE table_name ADD column_name data_type;

SQLite

ALTER TABLE table_name ADD COLUMN column_name data_type;