Quiz for:
SQL Interview Questions Notes

Question 1

What does the ACID property 'Atomicity' ensure in SQL transactions?

Question 2

Which type of Join returns all rows when there is a match in either table?

Question 3

What type of SQL function returns a single value for each row?

Question 4

Which type of SQL Index alters the physical storage order of the data?

Question 5

In SQL, which constraint ensures that all values in a column are unique?

Question 6

Which subset of SQL is used to manage transaction operations?

Question 7

What type of integrity does a Foreign Key primarily maintain?

Question 8

What SQL command is used to display the current date?

Question 9

Which level of normalization aims to eliminate partial dependency?

Question 10

What is a key difference between DELETE and TRUNCATE commands in SQL?

Question 11

What does TCL stand for in SQL?

Question 12

What is the primary purpose of a trigger in SQL?

Question 13

Which SQL command is used to count the number of rows in a table?

Question 14

Which type of database management system is MySQL?

Question 15

What is the primary difference between CHAR and VARCHAR data types?