create user president identified by president

1) Create a new pluggable database called YOURINITIALS_Proj8. 2) Verify that OLS is enabled in your pluggable database. If it isn’t, then enable it and re-verify. 3) Within your pluggable database, run the following commands: create user president identified by president; create user army_general identified by armygeneral; create user ciachief identified by ciachief; create user… Continue reading create user president identified by president

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How can the key and foreign key constraints be enforced by the DBMS? Is the enforcement technique you suggest difficult to implement?

Learning Goal: I’m working on a databases discussion question and need an explanation and answer to help me learn. 1) How can the key and foreign key constraints be enforced by the DBMS? Is the enforcement technique you suggest difficult to implement? Can the constraint checks be executed in an efficient manner when updates are… Continue reading How can the key and foreign key constraints be enforced by the DBMS? Is the enforcement technique you suggest difficult to implement?

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What is NoSQL and what are the major NoSQL approaches (categories)?

Learning Goal: I’m working on a databases question and need an explanation and answer to help me learn. upload answers in a .txt or .docx/.doc Answer the following questions: Discuss the 3 Vs of Big Data. What is NoSQL and what are the major NoSQL approaches (categories)?

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Develop an Entity Relationship Diagram based on the Data Stores represented in the Data Flow Diagram created in Assignment-1

Learning Goal: I’m working on a databases project and need an explanation and answer to help me learn. Develop an Entity Relationship Diagram based on the Data Stores represented in the Data Flow Diagram created in Assignment-1. You can include any additional Data Stores needed to complete the ERD. You can add a Primary Key… Continue reading Develop an Entity Relationship Diagram based on the Data Stores represented in the Data Flow Diagram created in Assignment-1

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When is this code triggered?

1) Connect to your Pluggable Database 2) // Create Tables create table department ( dep_id int primary key, name varchar2(30) ); create table employee ( dep_id references department, name varchar2(30) ); create table department_secrets ( dep_id references department, secret varchar2(30) ); 3) // FILL IN THE TABLES insert into department values (1, ‘Research and Development’);… Continue reading When is this code triggered?

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List the strong (nonweak) entity types in the ER diagram

Learning Goal: I’m working on a databases discussion question and need an explanation and answer to help me learn. 1) Consider the ER diagram shown in Figure 3.22 for part of a BANK database (also below for reference). Each bank can have multiple branches, and each branch can have multiple accounts and loans. (a) List… Continue reading List the strong (nonweak) entity types in the ER diagram

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