To solve this problem in the context of relational databases, a specific set of tools is used, including primary and foreign keys, and , , , and constraints. Data integrity tools solve the problem of applying rules of thumb to tabular information and ensure data accuracy and reliability. Many relational database engines support injection of custom code that is executed during certain database operations. Transactions A database transaction is a set of sequential operations that are a single logical task and use one or a series of statements. This is an indivisible action. A transaction must be executed as a single operation, so it must be written to the database in its entirety, or without any elements.
A transaction in a relational database completes an phone number list or operation. Any complex transactional operation should be considered as a reliable, internally connected element that does not depend on other transactions. Acid Compliance Requirements that all transactions in a relational database must meet in order to guarantee the integrity of it (must be atomic, uniform, isolated, reliable). Find out which careers in earning ₽ months The team has worked with international career development experts to prepare materials to help you start your path to the career of your dreams.
This selection includes only the most popular and high-paying majors and fields in the field. With the help of these materials, our students determine immediate career goals! Download and use now: Alexandre SagonAlexander SagonCEO Icons Most Demanded and Highest Paying Professions of the YearHelps to know what's going on in the labor marketDocument IconsA wide selection of resources in the fieldOnly the best Telegram channels, Channels, Podcasts, Forums, etc. to learn new things about Icons Services and Apps Today's Safe and Reliable Work Procedures Free Downloads Choose to Click Animated Documents Downloaded Icons The first condition is atomicity. It indicates that any transaction must be completed in full.