Explore the core database file structures including sequential access, indexed sequential access, and hashing methods. Compare their advantages, disadvantages, and use cases.
A complete guide to core big data and database technologies like Hadoop, HDFS, Data Mining, Data Warehouse, Metadata, and MyData, from fundamental principles. Perfect for the Information Processing Engineer exam.
Master the 3 essential components of a data model (Structure, Operation, Constraint) and the 4 stages of database design (Requirements Analysis, Conceptual, Logical, Physical) for the Information Processing Engineer exam.
Explore everything about Keys, a core concept in databases. This guide easily explains the characteristics of keys (uniqueness and minimality), the concepts and relationships of Superkeys, Candidate Keys, Primary Keys, Alternate Keys, and Foreign Keys with examples, and concludes with practice questions for the Information Processing Engineer certification exam.
Master database normalization, a key concept for data processing exams. This guide easily explains everything from 1NF to 5NF, functional dependencies, and denormalization with examples and practice questions.
Learn the concepts and examples of the 5 types of integrity (Entity, Referential, Attribute, User, Key) that ensure database accuracy and consistency, and finish with practice problems for the Information Processing Engineer exam.
A summary of the ACID properties (Atomicity, Consistency, Isolation, Durability) of database transactions and various recovery techniques (Log-based, Checkpoint, Shadow Paging), including a practice problem for the certification exam.
Learn the operators and characteristics of relational algebra, a core concept for the Information Processing Engineer practical exam. Understand the difference between procedural and non-procedural languages and prepare perfectly for the exam with actual past questions.
A clear guide to the fundamental concepts of the relational data model, including relation, tuple, attribute, cardinality, degree, schema, instance, identifier, and domain, complete with examples and practice questions.
Learn basic SQL syntax like INSERT, UPDATE, etc., by solving SQL problems for the Information Processing Engineer practical exam step-by-step. Includes actual exam question types and answer formats.
‘Database’ tag has 10 posts