Why use triggers in sql?
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Can we use distinct and group by together?
How to delete same emp id in sql query for exmaple in emp table emp id, empname, emp address. for example emp id =5, repeated in two times in rows same id how to delete same empid please any one of the write query send in my id
Explain correlated query work?
What is a Mapplet?
How do you clear the screen in sql?
If we have n no of columns in a table, can we add new column in that table with not null constraint?
What are the different types of triggers?
How does postgresql compare to mysql?
How do I run a pl sql procedure in sql developer?
How do temporal tables work?
What is percent sign in sql?
How much ram can sql express use?
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