What is execution plan in sql?
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What are packages in pl sql and also explain its advantages?
write a query filter the null value data following source? name age john 30 smith null null 24 sharp 35 i want output name age john 30 sharp 35
What is column?
Does sql*plus also have a pl/sql engine?
Explain what is a database?
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
Is sql easier than java?
Mention what pl/sql package consists of?
Why we use join in sql?
What is the starting oracle error number?
What are the two virtual tables available at the time of database trigger execution?
how can we repair a mysql table? : Sql dba
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