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What are the technique to define a schema completely ?
A schema is completely define by DDL and DML query language.
If R1 and R2 are two relations or functions, then the result of R3 = R1 × R2 is the combination of tuples that are in R1 and R2. The product is associative and commutative. Degr
Process-oriented decompositions Process-oriented decompositions divide complex process, task or function into simpler sub processes until they get simple enough to be deal
Which data type can store unstructured data? Raw data type can store unstructured data.
Explain trigger? Trigger: A database trigger is procedural code which is automatically executed within response to certain events on a particular table in a database. Trigger
how to write a in a text and load it on mysql
Define page. The database is partitioned into some number of fixed-length blocks, which are referred to as pages.
Critically explained the benefits and limitations of different database technologies with proper examples
Our company hires independent contractors to install equipment at precise locations across North America. We want to track the installation data and generate reports. The compan
Give the reasons for allowing concurrency? The reasons for allowing concurrency is if the transactions run serially, a short transaction might have to wait for a preceding long
Three Level Architecture of DBMS or Logical DBMS Architecture The logical architecture defines how data in the database is perceived by users. It is not deals with how the da
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