What is the difference between left outer join and left join?
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How long it takes to learn pl sql?
Interchange the value of a column Gender in a table where values are Male and Female. So, where the value is Male, it should changed to Female and Female to Male.
how to create temparary sequence
How do I save a sql query?
What is Materialized View? In What Scenario we Use Materialized View?
What are the benefits of triggers?
Show the two pl/sql cursor exceptions.
What do you mean by stored procedures? How do we use it?
What is trigger explain with example?
When is a declare statement required?
How do you update sql?
mail-id table contains two columns(email_id,userid) it contains different types of mail-ids,and no of users. here username length is differ na,(ex- tamil@yahoo.com,joshua@hotmail.com like) now i want to fetch the email-ids only starting from '@' (ex-@gmail.com,@yahoo.com,@hotmail.com
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