Dec 02, 2008 · Oracle's implementation of row level locking offers a high level of concurrency since you usually don't encounter blocking issues from concurrent modifications to different rows of a table, that could be caused e.g. by lock escalations (row locks to "page" or "block" locks, "block" locks to "table locks" etc.) that some DBMS products perform if too many low level locks are requested and a ...
Select a random row with MySQL: SELECT column FROM table ORDER BY RAND() LIMIT 1 Select a random row with PostgreSQL: SELECT column FROM table ORDER BY RANDOM() LIMIT 1 Select a random row with Microsoft SQL Server: SELECT TOP 1 column FROM table ORDER BY NEWID() Select a random row with IBM DB2 SELECT column, RAND() as IDX FROM table ORDER BY ...
In this tutorial, you learn about Oracle Database and how to perform simple operations on tables. In general, a database is a collection of data treated as a unit. A database management system (DBMS) stores, manages and retrieves a large amount of data in a multi-user environment so that many users ...
Jan 31, 2017 · In this blog, we will be discussing on how to configure/enable SSO for OBIEE. SSO stands for "Single Sign On". which is part of "Oracle Identity & Access Management" (IAM) product.