SQL docs 1 and excercise table Name: World Column names: ...  

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Batch 250 - SQL ex 2-3

Batch 250 - Joins doc

Batch 250 - joins exercises apart from sql zoo

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https://en.wikibooks.org/wiki/SQL_Exercises/The_computer_store  ...  

Batch 250- Java docs day 1 and 2

1) Write a java program to print which value is greatest of a, b , c ,d ...