PL/SQL supports two types of cursors:
► The implicit cursor - A single default cursor that automatically connects to the last DML statement executed.
► Explicit cursors - User defined cursors with specific DML statements and execution statuses.
What are the tradeoffs between many vs few indexes? When would you want to have many, and when would it be better to have fewer?
What is the difference between RAID 5 and RAID 10? Which is better for Oracle?
How do I write a cron which will run a SQL query and mail the results to a group?
What operator performs pattern matching
What is the use of the DROP option in the ALTER TABLE command?
what is difference between Co-related sub query and nested sub query?
Which date function is used to find the difference between two dates?
What is the advantage of specifying WITH GRANT OPTION in the GRANT command?
Which function is used to find the largest integer less than or equal to a specific value?
What operator tests column for the absence of data?
rendc.org
Whether it is technological solutions or user-oriented innovations, We have put together for you the best sources of HR Interview Questions and Answers, Tech Ideas, and Programming Tutorials."
Get all the latest information on rendc.org
© 2022 | All rights reserved.
RENDC
welcome to www.rendc.org
