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Express types of information available in MySQL?
Information as regards the result of queries:
This includes number of records affected by any SELECT or UPDATE or DELETE statement.
Information as regards tables and databases: This includes information pertaining to the structure of Databases and table. Information regarding the MySQL server: This includes present status of database server and version and number etc
why are older data models are being replaced by new data models
What is Conceptual Schema? Conceptual Schema - Conceptual schema elaborates the structure of the overall database for a community of users. It hides the details of physical sto
can you please explain with the help of suitable example the difference between conflict equivalence and conflict serializability?
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What is the aim of logical schema ? The main motive of the logical schema is to ensure the portability of procedures and models on various physical schemas at runtime.
Create table employee and enter employee data in SQL? Consider the following relational schemas: EMPLOYEE (EMPLOYEE_NAME, STREET, CITY) WORKS (EMPLOYEE_NAME, COMPANYNAME, SAL
Explain Thomas' Write rule. Show how it is different from timestamp ordering protol Ans: In timestamp-based concurrency control the thomas Write rule is a rule. Given a Timest
DISADVANTAGES OF RDBMS
You group has been hired by TrainingrUs.com to keeps track of training revenues. TrainingrUS.com wants you to keep scheduling. COURSE table contains following information:
Functional Dependency Consider a relation R that has 2 attributes A and B. The attribute B of the relation is functionally dependent on the attribute A if and only if for every
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