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  • oracle常用命令

    1.创建oracle表:
    CREATE TABLE a
    (
    ORDER_ID INT NOT NULL,
    ORDER DATE,
    TOTAL INT,
    ID VARCHAR(40)
    )
    PARTITION BY LIST (ORDER_DATE)
    (
    PARTITION P_20170101 VALUES (20170101) TABLESPACE tablename,
    PARTITION P_20170102 VALUES (20170102) TABLESPACE tablename,
    PARTITION P_20170103 VALUES (20170103) TABLESPACE tablename,
    PARTITION P_20170104 VALUES (20170104) TABLESPACE tablename,
    PARTITION P_20170105 VALUES (20170105) TABLESPACE tablename,
    PARTITION P_20170106 VALUES (20170106) TABLESPACE tablename
    );
    2.查看当前用户的缺省表空间:
    select username,default_tablespace from user_users;
    3.查看当前用户的角色:
    select * from user_role_privs;
    4.查看用户下所有表:
    select * from user_tables;
    5.插入数据:
    insert into tabname(字段名,字段名1)values(value1,value2);
    6.删除数据:
    delete from tabname where a=b
    7.修改数据:
    update tabname set a1=ba,a2=b2 where ...;
    8.增加字段:
    alter table tabname add 字段名;
    9.删除表和它所有的约束条件:
    drop table tabname cascade constraints;
    10.修改所有权:
    ALTER TABLE user OWNER TO user1;

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  • 原文地址:https://www.cnblogs.com/lccyb/p/9488172.html
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