What is exception? What are the types of exceptions?

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what is the difference between truncate and drop statements? : Sql dba

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What is synonyms?

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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

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4. Select sum(A.salary) +sum(B.salary) as TOT_SAL from ( select LEVEL emp_id,level*100 salary,case when mod (level,2)=0then 2 else null end dept_id from dual connect by level<6 )A right outer join (select level emp_id ,level*200 salary ,case when mod (level,3)=0 then 2 else null end dept_id from dual connect by level<6)B On A.dept_id=B.dept_id And A.emp_id=B.emp-id;

1 Answers   Fintellix,

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How many parts of a pl sql block are optional?

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What's the difference between a primary key and a clustered index?

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what are the differences between char and nchar? : Sql dba

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What is dialect in sql?

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What is the difference between the repeatable read and serializable isolation levels? : Transact sql

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How do I run a pl sql procedure in sql developer?

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Why function is used in sql?

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