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welcome to this sql interview series of data millennials in this video we are going to discuss about our next question in sql interview series so the question is that we have to write a sql query to find the records in table a that are not present in table b but there is a condition that you do not have to use the not in operator now not in operator is usually used to find out the record which is not present in another table but when your interviewer has specifically asked you to not use this not in operator then there are two options that you can use the first one is that you can use joins and the second one is that you can use not exist so you have two tables here the first table is table a which have certain numbers here and you have another table table b which have certain numbers here now if you see these two tables you will see that 40 is present in table a as well as 40 is present in table b right similarly there can be multiple reports which is present in table a which is also
