What is data type in database?
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Explain the working of foreign key?
write a query find which rows of a table is updated on 2 days before?
Which are the different character-manipulation functions in sql?
Table Student has 3 columns,Student_id,Student_Name & Course_Id. Table Course has 2 columns, Course_Id & Course_Name.Write a query to listdown all the Courses and number of student in each course.
Does pl/sql support create command?
What is difference between sql function and stored procedure?
what is the cursor and use of cursor in pl/sql ?
write a query that returns first characters of each word in Oracel/Sql pl sql
What is primary key in db?
What is an index in sql with example?
What are the different operators available in sql?
what is an alias command? : Sql dba
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