How to Reindex SQL Tables. The indexes on a the tables of a large database make a huge difference in its performance and utility. Without an index, locating a single record in a large table can ...

This is introductory to SQL. I have over 10 queries I need to run/learn for my SQL exam. I am given about 10 tables and to display combination of 2-3 tables in each query. Is there any website ...

Hi,I'm in the process of building a SQL clean-up script that will be removing lots of now redundant data from our Oracle DB.It seems that for tables which contain a FK pointing back to themselves ...

You create a CLOB in Oracle through the database's Structured Query Language, or SQL. Using SQL's "ALTER TABLE" statement, you add a CLOB data item to an existing table in your business' database.

Oracle SQL*Plus has a very useful subparameter to the column parameter called NEW_VALUE. The NEW_VALUE directive allows you to store data retrieved from an Oracle table as a variable inside the ...