Question
Which of the following statements is/are definitely
correct? I. I is sister-in-law of U II. R is daughter of A III. S is married to M Answer the questions based on the information given below. Nine persons (S, I, H, W, V, R, A, M, and U) belong to a family of three generations. There are three married couples in the family. No single person in the family is a parent. There are four male members in the family. There are only two members in 3rd generation. S is married to mother of R. H, who belongs to 1st generation, is mother-in-law of U. U is father of W. A and M are sisters. V has three daughters. I and R are unmarried females. A is not married to father of W. R belongs to 3rd generation.Solution
Which type of index physically reorders the data rows in the table itself based on the index key, meaning the data is stored in the order of the index?
Recursive CTEs are mainly used for:
To rename a column in a SELECT query result, you use:
Which PL/SQL cursor attribute returns `TRUE` if the most recent `FETCH` statement returned a row, and `FALSE` otherwise?
Which of the following is a key characteristic that distinguishes a PL/SQL `FUNCTION` from a PL/SQL `PROCEDURE`?
Which SQL keyword prevents duplicate rows in result?
Which operator is used to combine results of two SELECT queries and remove duplicates?
What is the result of SELECT COUNT(NULL) on any table?
Which of the following SQL constructs avoids returning duplicate rows?
What is a 'stored procedure' in SQL?
