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how to prepare a data dictionary for online examination system for certified courses?
How persistent programming languages differ from traditional programming languages? Database languages vary from traditional programming languages in that they directly manipul
A practice called Perfect Pets provides private health care for domestic pets throughout America. This service is provided through various clinics located in the main cities of Ame
What is trigger Triggers are statements that are implemented automatically by the system as the side effect of a change to the database.
Define outer union operation of the relational algebra. Compute the outer union for the relations R and S given below. Outer Join - If there are any values in one tabl
Define about the Stored Procedure - It's a set of T-SQL statements combined together to perform a single task formed by combining numerous small tasks. - When you essentiall
Benefits of using heuristics
The Third Normal Form (3NF) Even though, transforming a relation that is not in 2NF into a number of relations that are in 2NF take out many of the anomalies, it does not neces
To delete a particular column in a relation which command is used ? To delete a particular column in a relation ALTER command is used.
For this application, we will consider IBM DB2 catalog data (i.e., metadata) for IBM's enterprise-class servers running the z/OS (formerly OS/390 or MVS) operating system. One of
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