Tasks of a Database Administrator. Therefore, despite being challenged by object database for years, relational database still remains to be the most prevalent way of storing enterprise data to this date. An enterprise database is which of the following? Consider the following schema for Order Database: SALESMAN(Salesman_id, Name, City, Commission) CUSTOMER(Customer_id, Cust_Name, City, Grade, Salesman_id) ORDERS(Ord_No, Purchase_Amt, Ord_Date, Customer_id, Salesman_id) Write SQL queries to 1. This layer may also include the operating system and the related hardware (Sprott, 2000), since they are necessary for the system but trans-parent to users. Also, securing OneDrive may include both client-side and cloud service–side configuration. Enter at least five tuples for each relation. Choosing a database to serve your enterprise technology needs can be overwhelming. Account(Account_number,branch_name,Balance) c. ACCOUNT (accno: int, branch_name: string, balance: real) d. CUSTOMER … Banks have branches. The selected tuples are gruoped by the customer name of the depositor table whose count should be equal to the count of the branch name in the branch table with brach city 'c3'. 5)Find the number of accidents in which cars belonging to a specific model were involved. for each loan of an amount greater than 20,000. where company-name = ™First Bank Corporation™) 4.3 Consider the relational database of Figure 4.13. vi) Find the customer names,loan numbers and loan amounts for all loans at the ‘ICICI Bank’. Consider the ER diagram shown in the Figure below for part of a BANK database. ER DIAGRAM FOR A BANK DATABASE: QUESTIONS AND ANSWERS - Varsity Scope Here are a few of the enterprise rules:-there are 2 types of account (current and savings)-each account has a field for: balance, date … 2. BRANCH (branch_name: string, branch_city: string, assets: real) b. Because OneDrive provides access to files on many kinds of devices, it restricts the use of certain characters, file names, and folder names. Graduate students have an SSN, a name, an age, and a degree program(e.g., M.S. Consider how the logical storage structure of the database will affect: ... You can use the Enterprise Manager Clone Database tool to clone an Oracle database instance to an existing Oracle home. (i) Insert at least 5 tuples in each table (ii) Display the branch details (iii) List the customers of ‘Mumbai’ city (iv) List the male customers of ‘Kolkata’city (v) List the state having more than one branch. Consider the database for a banking enterprise. Consider the bank database. Find the appropriate query for the given statement below.Find the loan no. Exercise 2.3 Consider the following information about a university database: Professors have an SSN, a name, an age, a rank, and a research specialty. DataStax leverages Apache Cassandra for distribution … (a) {t | t ϵ loans ⋂ t ,amount- > 20,000+ where ‘t’ is a tuple. It shows relationships between entities and their attributes. Account(Account_number,branch_name,Balance), : int, branch_name: string, balance: real), : string, customer_street: string, city:string), : int, branch_name: string, amount: real). BRANCH (branch-name:string, branch-city:string, assets:real) ACCOUNT (accno:int, branch-name:string, balance:real) DEPOSITOR (customer-name:string, accno:int) CUSTOMER (customer-name:string, customer-street:string, customer-city:string) LOAN (loan-number:int, branch-name:string, amount:real) v) Demonstrate how you delete all account tuples at every branch located in a specific city. Database Layer (Back): DBMS that manages the operational and business data throughout the whole enterprise and the user access to this infor-mation. The following relations keep track of a banking enterprise. b. See the answer. 5. I'm creating a database for a 'bank' and was just unsure as to whether my method of attaching accounts to customers was the most efficient. This preview shows page 1 - 7 out of 14 pages. When a bank customer transfers money from a savings account to a checking account, the transaction can consist of three separate operations: Decrement the savings account. iv) Find all the customers who have an account at all branches located in a specific city. c. BRANCH(branch-name:string, branch-city:string, assets:real), ACCOUNT(accno:int, branch-name:string, balance:real), DEPOSITOR(customer-name:string, accno:int), CUSTOMER(customer-name:string, customer-street:string, customer-city:string), LOAN(loan-number:int, branch-name:string, amount:real), BORROWER(customer-name:string, loan-number:int), Create the above tables by properly specifying the primary keys and the foreign keys. Consider a banking database with the following table with 3 attributes (br_name, loan_no, amount). The following relations keep track of a banking enterprise. Give an expression in the relational algebra to express each of the following queries : a. L18 Tutorial Relational-Algebra Operations Bank Example.ppt, Parul Institute of Engineering and Technology, Banaras Hindu University, • COMPUER SC 496, Manipal Institute of Technology • COMPUTER S DBMS, University of California, Berkeley • COMPUTER S 186, Parul Institute of Engineering and Technology • COMPUTER SCIENCE AND ENGINEERING 07. Banking & Insurance. iii) Find all the customers who atleast two accounts at the MAIN branch. Description: The query selects the customers from the the depositor table such that branch name is in both the branch table and also account table and the account number in the selected tuples is in both account table and in depositor table and also the name of the branch city is 'c3'. FSMK VTU CS Department Lab Manual for C Programming. Increment the checking account. An ER model provides a means of communication. To fully explain data masking and its enterprise potential one first needs to understand how it works. a. Projects have a project number, a sponsor name (e.g., NSF), a starting date, an ending date, and a budget. 4)Find the total number of people who owned cars that were involved in accidents in the year 2008. To illustrate the concept of a transaction, consider a banking database. Find all the customers who have an account at all the branches located in a specific city. 3. Write an SQL trigger to carry out the following action: On delete of an account, for each owner of the account, check if the owner has any remaining accounts, and if she does not, delete her from the depositor relation. Oracle, Microsoft SQL Server, MySQL and PostgreSQL are some of the popular relational database management systems. Find the names and cities of residence of all employees who work for “First Bank Corporation”. 6 Database System Concepts 3.11 ©Silberschatz, Korth and Sudarshan E-R Diagram for the Banking Enterprise Database System Concepts 3.12 ©Silberschatz, Korth and Sudarshan Keys Let K ⊆R K is a superkey of R if values for K are sufficient to identify a unique tuple of each possible relation r(R) +by “possible r” we mean a relation that could exist in the enterprise