db2 建表语句
db2 => create table test (name char(8) not null primary key,depid smallint,pay bigint)
DB20000I SQL 命令成功完成。
db2 => create table test1 (name char(8) not null primary key,depid smallint references department (depid),pay bigint)
DB20000I SQL 命令成功完成。
db2 => update department set depmanager='abc' where depid=5
db2 => alter table test alter pay set not null
DB20000I SQL 命令成功完成。
db2 => alter table pay add foreign key (depid) references department (depid)
db2 => reorg table pay
db2 => alter table pay alter pay drop not null
db2 => insert into pay (name,depid) select name,depid from phone
DB20000I SQL 命令成功完成。
db2 => create table test1 (name char(8) not null primary key,depid smallint references department (depid),pay bigint)
DB20000I SQL 命令成功完成。
db2 => update department set depmanager='abc' where depid=5
db2 => alter table test alter pay set not null
DB20000I SQL 命令成功完成。
db2 => alter table pay add foreign key (depid) references department (depid)
db2 => reorg table pay
db2 => alter table pay alter pay drop not null
db2 => insert into pay (name,depid) select name,depid from phone
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db2 基础
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