Why trigger is used in sql?
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Table Order_Name has a column Order_Date which gives the date & Time at which the order is passed.Find the table to write a query to find out the latest order.
Differences between Oracle 9i and 10g (Probably in terms of SQL and PL/SQL)?
Given two tables Student(SID, Name, Course) and Level(SID, level) write the SQL statement to get the name and SID of the student who are taking course = 3 and at freshman level.
What is difference between % ROWTYPE and TYPE RECORD ?
what is SCALAR Queries?
Write the sql query using dual table for below output? 1 L R --- --- ---- 1 1 1 1 2 1 1 3 1 1 1 2 1 2 2 1 3 2 1 1 3 1 2 3 1 3 3 Write a query using only Dual table with out writing any pl/sql program.
Explain character-manipulation functions?
Do triggers have restrictions on the usage of large datatypes, such as long and long raw?
Can a table contain multiple foreign key’s?
How do I truncate a word?
How many types of keys are there in sql?
What is difference between hql and sql?
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