Why do we need integrity constraints in a database?
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What are the common oracle dba tasks?
How to generate query output in html format?
hai, when to use char and varchar2....?
Can we save images in a database and if yes, how?
1. Display the post code and the purchase order number for each purchase order. Sort the output set by postcode.
Can we store pictures in the database and if so, how it can be done?
What is a trigger oracle?
What is a View ?
SQLERRM is a a. Constraint b. Pre Defined Exception c. Pseduocolumn d. Constant e. None of Above.
What is a dynamic performance view in oracle?
What is Redo Log Buffer in Oracle?
If a parameter is used in a query without being previously defined, what diff. exist betw. report 2.0 and 2.5 when the query is applied ?