Question
Question: Four people, A, B, C and D, are sitting in a
straight line, facing south. Who is sitting at the right end? Statements: (I) Only two people sit between B and D; A sits to the immediate left of B. (II) Only one person sits between B and C; A sits to the immediate right of C. A question is given, followed by two statements numbered (I) and (II). You have to decide whether the data provided in the statements is sufficient to answer the question. Read both the statements and select the appropriate answer.Solution
To remove all rows from a table without logging individual row deletions and without firing triggers, which command would you typically use?
What does re.sub(r'(\w+)', r'_\1_', 'hello world') return?
In an E-R diagram, a double rectangle represents a:
Which isolation level allows dirty reads?
Examine the following Java-like code:Â
  ```java
  class Parent {
    String name = "Parent";
    p...
A `FOREIGN KEY` constraint is used to:
In paging, the page size is defined by:
Which SQL clause is used to group rows based on one or more columns?
Which aggregate function returns the number of rows that match a specified criterion?
Which of the following is a significant disadvantage of using a traditional file system compared to an RDBMS?
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