How do you update a value in sql?
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what will be the output: select 1 from emp union all select 2 from emp;
What do you mean by stored procedures? How do we use it?
What are the ways on commenting in a pl/sql code?
how can we find the select statement is indexed or not?
Is join same as left join?
how to remove records from table? no name 1 a 2 b 1 a 2 b 3 c
Why indexing is needed?
Which software is used for pl sql programming?
What is meant by Join? What are the different types of Joins available? Explain.
Is crud a cuss word?
Why do we need pl sql?
What is a unique key and primary key and foreign key?
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