What is a database? Explain
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what is the different between unique+not null & primary key,
What is an implicit commit?
What is using in sql?
Why join is faster than subquery?
Does pl sql work in mysql?
What is a file delimiter?
What is a primary key called that is made up of more than one field?
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
which tcp/ip port does sql server run on? : Sql dba
How do I create a sql script?
What is a dynamic query?
Can we create a trigger on view?
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