what are set operators in sql? : Sql dba
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SELECT flavor, SUM (ice_cream_sales) FROM sales_detail GROUP BY flavor ORDER BY 2 DESC If the "sales_detail" table contains ten records with different values in the flavor column (two "vanilla," three "chocolate," four "strawberry," and one NULL), how many rows are returned by the sample code above? 1. 0 rows 2. 1 row 3. 3 rows 4. 4 rows 5. 10 rows
What is the difference between RDBMS and DBMS?
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How to retrieve a second highest salary from a table? Note:Suppose salaries are in duplicate values eg: Name Sal Malli 60000 Pandi 60000 Rudra 45000 Ravi 45000
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Is join an inner join?
Define implicit and explicit cursors.
how to create object in plsql
Why do we use set serveroutput on?
What is java sql package?
create a store procedure and created synonms for that store procedure after modify that store procedure will effect on synonms? If we delete the store procedure what happened to that synonms?
what are the differences between get and post methods in form submitting. Give the case where we can use get and we can use post methods? : Sql dba
How many LONG columns are allowed in a table?
please explain database architecture..
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