When I am working with an Oracle database, I still find myself using SQL*Plus for many quick and dirty database queries. In particular, I often look up constraints in SQL*Plus. In this post, I look at ...

You can also test this in parallel (delete the constraint, and repeate step 4 first again): alter session force parallel ddl; alter table big_table parallel 4; alter table big_table modify constraint ...

The term "data integrity" can mean different things to different people, but the most difficult and pervasive problem facing organizations these days is the semantic integrity of the data. As ...

SCHED_NAME VARCHAR2(120) DEFAULT 'OCS_SCHEDULER' NOT NULL, IS_NONCONCURRENT VARCHAR2(1) default 'N' NOT NULL, IS_UPDATE_DATA VARCHAR2(1) default 'N' NOT NULL, CONSTRAINT POLL_JOB_DETAILS_PK PRIMARY ...