how to find the First and Last Observation from the table: Ex: OBS Name Sal Ans like: OBS Name Sal 105 E 5000--> 105 E 5000 102 B 2000 104 D 4000 103 C 3000 101 A 1000--> 104 D 4000

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explain mysql aggregate functions. : Sql dba

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what are the authentication modes in sql server? : Sql dba

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Delete the emps whose salaries are lowest sals of their own dept.

5 Answers  

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What does where 1/2 mean in sql?

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how to Update table Sales_summary with max(sales) data from table sales_dataTable 1. sales_data table Table 2. Sales_summary Region sales Region sales N 500 N 0 N 800 W 0 N 600 W 899 W 458 W 900 I want the Sales_summary After Update like this Region Sales N 800 W 900

8 Answers  

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write a query to display diference between two dates in sql server

2 Answers  

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What do you understand by exception handling in pl/sql?

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Is primary key an index?

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how to fetch alternate records from a table? : Sql dba

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How do I remove all records from a table?

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In table a 1lakh data is present,in table b 20 thousand data is present, to get unique data from table a and b which join to be considered. whether right outer join or left inner join. 

2 Answers   GE,

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