SQL Server: ALTER TABLE Customer DROP COLUMN Birth_Date;Oracle: ALTER TABLE Customer DROP COLUMN Birth_Date;Google BigQuery: ALTER TABLE Customer DROP COLUMN Birth_Date;The resulting table structure is: Table Customer Column Name Data Type First_Name char(50) Last_Name char(50) ...
在MySQL 中, 以下能够删除一列的SQL语句是( )A.ALTER TABLE emp REMOVE addcolumnB.ALTER TABLE emp DROP
alter table emp drop column addcolumn C. alter table emp delete column addcolumn D. alter table E. mp delete addcolumn 答案 B相关推荐 1以下能够删除一列的是( ) A. alter table emp remove addcolumn B. alter table emp drop column addcolumn C. alter table emp delete column addcolumn D. ...
AlterBrokerPriorityStatement AlterCertificateStatement AlterCertificateStatementKind AlterColumnAlterFullTextIndexAction AlterColumnEncryptionKeyStatement AlterCreateEndpointStatementBase AlterCreateServiceStatementBase AlterCredentialStatement AlterCryptographicProviderStatement AlterDatabaseAddFileGroupStatement AlterData...
百度试题 题目下列能够删除一列的是() A.alter table emp remove columnB.alter table emp drop columnC.alter table emp delete columnD.alter table emp delete and drop addcolumn相关知识点: 试题来源: 解析 B 反馈 收藏
MySQL中,以下能够删除一列的是( ).A.alter table tab_student remove column stats;B.alter table tab_
以下能够删除一列的是( )。 A. alter table emp remove addcolumn B. alter table emp drop column addcolumn C. alter table emp delete column addcolumn D.
hive>ALTERTABLEmy_tableDROPCOLUMNcolumn_name; 1. 最后,我们可以再次使用DESCRIBE命令验证列是否已成功移除。 hive>DESCRIBEmy_table; 1. 示例 假设我们有一个名为employee的表,结构如下: CREATETABLEemployee(idINT,name STRING,ageINT,department STRING); ...
百度试题 题目以下能删除一列的语句是()A.alter table tb_student remove ageB.alter table tb_student drop column ageC.alter table tb_student delete column ageD.alter table tb_student delete age 相关知识点: 试题来源: 解析 B 反馈 收藏
在MYSQL数据库中以下能够删除一列的是()A.alter table emp remove addcolumnB.alter table emp drop column