What does select count (*) mean in sql?

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What is difference between sql and mysql?

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What are the three pl sql block types?

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Explain what is sql?

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How to fetch common records from two tables?

1 Answers  

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Is it mandatory for the primary key to be given a value when a new record is inserted?

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if a table is getting updated what happens if a function is called from sql query?

2 Answers   RBS,

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What is sqlite format?

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Why are indexes and views important to an organization?

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declare lowerl number:= 1; upperl number:= 3; num varchar2(10); begin for i into lowerl..upperl loop num:=num||to_char(lowerl); if i=3 then upperl:=5; end loop; message(num); What will be the output ?

3 Answers   Oracle,

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What is indexing oracle sql?

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What are the benefits of triggers?

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