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G3. Gather and interpret relevant data (usually within their area of study) to make judgments that include reflection on relevant social, scientific, or ethical issues.
Introduction to databases focuses, in its first part, on the relational data model and the mechanisms that allow the access and manipulation of relational databases (SQL) and in the second part, on the conceptual modeling of data.
This subject has methodological and digital resources to make possible its continuity in non-contact mode in the case of being necessary for reasons related to the Covid-19. In this way, the achievement of the same knowledge and skills that are specified in this teaching plan will be ensured.
At a general level, this subject contributes to the following learning outcomes specified for the subject to which it belongs (Software Engineering):
At a more specific level, at the end of the course the student must be able to:
All the theoretical concepts of the subject will be treated in the theory classes (large groups) of the subject. In these classes the basic concepts of databases are introduced demonstrating their application in exercises solved by the teacher. It is recommended that students read the material published on the virtual platform before each session. In the classes the participation of the students will be asked individually or in group, to solve different problems proposed with or without anticipation. These activities, which due to their optional nature and brevity are not reflected in this document, will serve the student as a tool for self-assessment of their achievement of the contents of the subject and may be used by the teacher to take decisions on the final grade of the student but never to the detriment of the numerical grade calculated according to the grading system indicated above.
The more practical concepts will be worked in small groups (laboratory) where works of medium complexity are presented, which require the application of the knowledge acquired in the most theoretical classes. These sessions will provide the appropriate tools to solve the scheduled activities but it is expected that these will be extended from a temporal point of view, beyond the laboratory hours and that, consequently, students will have to complete them during autonomous learning time.
This course, due to the situation generated by COVID, some of the large group sessions will be held in hybrid format: face-to-face and online (via streaming). This will allow students to rotate to face-to-face classes, respecting the maximum number of students per classroom imposed by the distance measures. When they are not in contact, they will be able to follow the class online from home.
With regard to internship sessions in smaller spaces (such as laboratories, studios or sets), where appropriate, work will be carried out simultaneously in several spaces in order to ensure that the conditions established by the safety protocols are met.
Block 1. Introduction to databases
Database basics. File Systems. Database Systems. Concept of database management system (SDBD). Advantages and disadvantages of comics
Block 2. The relational model
Basic concepts of the relational model. Model structure. Integrity restrictions. Exercises.
Block 3. The data definition language (DDL)
Data types. Creating tables and integrity constraints. Creating views. Exercise resolution.
Block 4. The data manipulation language (DML)
Queries on a single table. Queries on various tables. Summary queries. Groupings. Use of subqueries. Functions. Database modifications. Exercise resolution.
Block 5. Introduction to the conceptual model of data and logical design
Database design process. Data models. Basic concepts of the conceptual model. Business rules. Entities and associations. Weak entities. Reflective entities. Associative entities. Generalizations. Creation of conceptual models. Transformation of the conceptual model: Transformation of the associations one_to_many, many_to_many, one_to_one and reflective, transformation of the associative entities, of the weak entities and transformation of the generalizations. Improvements to the initial logical model.
A series of activities of an eminently practical nature (short exercises, problems ...) are made available to students, which are the basis of the learning activities of the subject. These activities will have to be solved by the students, often in a non-contact way, following the instructions of the teachers and will also be worked in class, either as examples in the theory sessions, or in the laboratory sessions. Although these activities will be optional (teachers will not individually verify the performance by students), they will be essential to achieve the theoretical and practical knowledge of the subject.
In order to gather evidence of the achievement of the expected learning outcomes, the following evaluative activities are carried out (practices and exams):
WRITTEN TEST OF THE FIRST BLOCKS
WRITTEN TEST OF ALL BLOCKS
In order to pass (pass) the assessment activities, students must demonstrate:
In relation to the basic competences assigned to the subject, these are covered especially with regard to the aspects that are explained:
Finally, and with regard to the transversal competences associated with the subject:
Rules for carrying out learning activities
For each activity, teachers will be informed of the particular rules and conditions that govern them. One-on-one activities presuppose the student's commitment to carry them out individually and without any collaboration with other people. All activities in which the student does not comply with this commitment to individuality will be considered suspended (grade 0), regardless of their role (sender or receiver) and without this excluding the possible application of other sanctions in accordance. with the current Disciplinary Regime.
Likewise, the activities to be carried out in groups presuppose the commitment on the part of the students who make it up to carry them out within the group and without any kind of collaboration with other groups or people who are alien (group individuality). All activities in which the group has not respected this commitment regardless of its role (sender or receiver) and without this excluding the possible application of other sanctions in accordance with the current Disciplinary Regime will be considered suspended (rating 0).
In the particular case of the internships, when in any of them the commitment of individuality is not respected and / or fraudulent means are used in its accomplishment, the qualification of end of the practices PRACTICE will be, for all the members of the group, of 0 points independently of the qualification of the other practices and without this exclude the possible application of other sanctions in agreement with the current Disciplinary Regime.
Any activity not delivered will be considered scored with zero points. It is optional for teachers to accept or not deliveries outside the deadlines indicated. In the event that these late deliveries are accepted, it is up to the teacher to decide whether to apply a penalty and the amount thereof.
The subject is evaluated based on the grades of the following activities:
TEST: WRITTEN TEST OF ALL BLOCKS
The calculation of the part of theory and practices of the asignatura calculates taking into account these formulas:
THEORY = TEST
PRACTICE = 0,1 PRACTICE1 + 0,1 PRACTICE2 + 0,1 PRACTICE3 + 0,05 PRACTICE4
And the final grade is obtained:
The theoretical part of the subject (THEORY) can be recovered as long as the weighted grade obtained is less than 5 (excluding those not presented). Internships cannot be recovered, under any circumstances.
For students who attend the resit exam their THEORY grade will be the one obtained in this test and the final grade will be calculated with the weights detailed above and in no case will it exceed 5.
Silberschatz, Abraham; Korth, Henry; Sudarshan, S. "Fundamentals of Databases". Sixth edition. Madrid-McGraw-Hill-Education, 2014. ISBN 978-84-481-9033-0.
Elmasri, Navathe. Fundamentals of Database Systems, Global Edition, Seventh Edition. Pearson
Jason Price. Oracle database 12c SQL. Publishing Oracle Press McGraw-Hill Osborne Media, 2013.
Connolly T., Begg C .. Database Systems .. Pearson Addison-Wesley, 2005.