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What does authentication refer?
Authentication refers to the task of verifying the uniqueness of a person.
Type of views : Simple views and Difficult Views Feature Simple Views Complex Views Number of tables One
difference between internal schema and external schema in DBMS
What is data integrity? Ans: It is the data consisted of in database that is accurate and consistent. (Data integrity means that the data should be valid as per to the give
List and also explain the dissimilar stages of DDLC ?
what is view?explain
Question: (a) One of the steps in the five-step problem-solving model is implementation. Implementation is considered a key step in the problem-solving model. A problem may be
as a customer service employee, explain five measures you would recommend a displeased student to patronise a school canteen
Example- Search the salary of employees who are not 'ANALYST' but get a salary below than or equal to any people employed as 'ANALYST'. SELECT EMPNO, ENAME, JOB, SAL FROMEMP
You want to implement following relationships when designing tables. How would you do it? a.) One-to-one b.) One-to-many c.) Many-to-many a.) One-to-One relationship -
What are the time stamps associated with each data item? W-timestamp (Q) denotes the largest time stamp if any transaction that implemented WRITE (Q) successfully. R-timesta
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