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You need to create a new user named ASSOCDBA1 and a new ROLE named JRDBA1 that can be used for an assistant DBA. You want the new role to contain the DBA role that the SYSTEM user has with ADMIN OPTION (when it pertains to the current SYSTEM user setting). You also want the new role to be password-protected with a password of MJOAG2T. Once the role is created, assign the role to the new user ASSOCDBA1, but do not make it the default role.
Execute your script to create the new user, the new ROLE, assign privileges to the role, and assignment of the ROLE to the user.
Consider a relation schema r(A,B,C,D,E, F) and a set of functional dependencies {A BCD,BCDE,BD,DA}. Determine whether or not (A,E, F) is in BCNF and justify your answer. If (A,E, F) is not in BCNF,find a BCNF decomposition of it.
You have been asked to design database design for BoingX Aircraft Company (BAC), that has two products: TRX-5A and TRX-5B HUD (heads-up display) units.
Design a nested menus interface for a check-in and check-out hotel reservation system that can be used internationally.
Database Modeling and Design: A complete table diagram. Transform model to tables, include all attributes and keys.
Compute the functional dependencies which exist in following table. After determining the functional dependencies, transform this table to an equivalent collection of the tables which are in third normal form.
You have been asked to develop a database utilizing only the written problem description given by the client. In reviewing the description.
creating database structure using SQL
our current database uses dictionary-managed tablespaces. In running various performance tuning scripts, you have discovered that one of these tablespaces seems to have run out of space long before you calculated that it would.
A Relational schema of your database in 3NF, clearly indicating attributes, the data type of each attribute, primary and foreign keys, candidate keys, and which attributes are nullable, giving reasons. List any assumptions you need to make.
Write the procedure named Get_frequencies which constructs character frequency table. Input to procedure must be a pointer to the string, and pointer to array of 256 doublewords.
Design relation schemas for the entire database.
List the courses (D-code and C-no), along with the names of the students who are currently taking them. List all the courses (D-code and C-no) that John (i.e., S-Name=''John'') got 'A' grade.
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