Which concurrency control technique allows a transaction to read uncommitted data?

Select the letter that can replace the question mark (?) in the following series.

A, C, E, G, I, Κ, ?

Which of the following Venn diagrams best represents the relationship between stars, planets and universe ?

‘Track’ is related to ‘Athlete’ in the same way as ‘Classroom’ is related to ‘______’.

If '+' means '÷' , '–' means '+' , '×' means '–' and '÷' means '×', then what will come in place of (?) in the given equation?

Which figure from the options will replace the question mark (?) in the following figure series?

'A + B' means 'A is brother of B'

'A – B' means 'A is mother of B'

'A × B' means 'A is husband of B'

L is the wife of Q. P is the mother of M. J is the father of L. M is the sister of H. J is the husband of H. How is P related to L?

Statements:

All flowers are trees.

All leaves are flowers.

Conclusion:

I) All trees are flowers.

If each of the letters of the word 'STADIUM' are re-arranged in the English alphabetical order, then the position of which letter will remain unchanged?

Four letter – cluster pairs have been given, out of which three are alike in some manner, and one is different. Select the one that is different.