Database Normalization in Spanish: 32 Flashcards from 1FN to FNBC and 6FN
Study database normalization in Spanish: 32 flashcards on anomalies, keys and 1FN to 6FN, with tips on Spanish exam terms and the one card to rewrite.
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Preparing the Bases de datos module of a DAM, DAW or ASIR course, or a university exam taught in Spanish? XA4058 – SQL: Diseño de Bases de Datos y Normalización is the Spanish edition of Flip It's normalization deck: 32 cards with English fronts (Boyce-Codd Normal Form (BCNF), Superkey) and Spanish answers. The English deck is reviewed in the Database Normalization Study Guide; here is what changes when you study it in Spanish.
Study this deck: SQL: Diseño de Bases de Datos y Normalización
1 / 10Database normalization
Tap the card for the answer · swipe right if you knew it, left if not
What the cards look like
| Front | Back (Spanish) |
|---|---|
| Insertion anomaly | Ciertos hechos no se pueden registrar sin registrar otros datos no relacionados, lo que a menudo requiere valores nulos |
| Second Normal Form (2NF) | Una tabla en 1FN donde todo atributo no primo tiene una dependencia funcional completa de cada clave candidata |
| Third Normal Form (3NF) | Toda dependencia funcional no trivial comienza con una superclave o termina en un atributo primo (sin dependencias transitivas) |
| Transitive functional dependency | Un atributo depende de otro atributo no clave que a su vez depende de la clave primaria (A → B → C) |
| Candidate key | Una columna o conjunto de columnas que podría servir como clave primaria (superclave mínima) |
| Denormalization | Introducir redundancia de forma intencionada para mejorar el rendimiento de las consultas |
| Where is 6NF particularly useful? | En almacenes de datos (data warehouses), no en sistemas OLTP, por la proliferación de tablas |
| Lossless decomposition | Dividir una tabla de forma que la original pueda reconstruirse uniéndolas sin pérdida de datos |
Vocabulary you will own
Normalización, redundancia e integridad de datos, anomalías de inserción, actualización y borrado, dependencia funcional, dependencia funcional completa, dependencia transitiva, dependencia multivaluada, dependencia de unión, descomposición sin pérdida, clave primaria, clave compuesta, clave candidata, superclave, atributo primo, 1FN, 2FN, 3FN, FNCE (EKNF), FNBC, 4FN, ETNF (2012), 5FN, DKNF, 6FN, desnormalización, almacenamiento columnar, OLTP frente a data warehouse, C.J. Date y la 5FN, el objetivo de Codd con la 1FN.
Study tips for the Spanish edition
Make the acronyms match your exam. The fronts say 1NF and BCNF, but every back switches to 1FN, 3FN, FNBC, the forms your teacher will write on the board. Add a reverse card per form (« FNBC » → Boyce-Codd) and learn the Spanish synonyms that appear in textbooks: atributo no primo = atributo no clave, dependencia completa = dependencia total, anomalía de borrado = anomalía de eliminación. Spanish exams ask you to produce these terms, and English fronts never train that direction.
Rewrite card 11. It says 5NF avoids "problemas de descomposición sin pérdida", which inverts the idea: a lossless decomposition is the goal, not the problem. Use « toda dependencia de unión está implicada por las claves candidatas ».
Keys first, forms second. Cards 13-17 (clave primaria, compuesta, candidata, superclave, dependencia funcional) define the vocabulary that cards 5-10 rely on. Study them first, then drill 1FN → FNBC with one worked table of your own, for example Pedido(nº_pedido, cod_producto, nombre_producto, cantidad): nombre_producto depends only on cod_producto, which breaks 2FN. Review 6FN, DKNF, EKNF and ETNF less often: card 25 itself calls them mostly academic.
Once the theory sticks, practise the queries in Spanish with SQL in Spanish: 74 flashcards from SELECT to ALTER TABLE.
Find XA4058 – SQL: Diseño de Bases de Datos y Normalización in the library on Flip It.
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