Skip to content
November 27, 2015 / doganay

PK DROP CREATE PARALLEL

alter session set sort_area_size=2147483647;

alter table t1 drop constraint pk_t1;

alter table t1
add constraint pk_t1
primary key (col1, col2, ..)
disable;

drop index pk_t1;

create unique index pk_t1
on t1 (col1, col2, ..)
parallel 16;

alter index pk_t1 noparallel;

alter table t1 enable primary key;
Advertisements

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out / Change )

Twitter picture

You are commenting using your Twitter account. Log Out / Change )

Facebook photo

You are commenting using your Facebook account. Log Out / Change )

Google+ photo

You are commenting using your Google+ account. Log Out / Change )

Connecting to %s

%d bloggers like this: