I want to execute a piece of code before calling a procedure. How to achieve it?
First round ------------------- - Procedure - Packages - Views - Virtual tables - Can we use dcl with in function? - Joins and few scenarios - Triggers and its type - Pragma, type and its functionality - How to create db link in oracle - Materialized view - How to find duplicate values from table? - Cursor and its functionality - Write a script to display friday and its date from a entire year. - Exception Handling Second round ------------------------ Gave a scenario like. Need to write a function to perform. When user try to change a password. It must not be last five password and a given password can be combination of characters, symbols, upper and lower case.
Mention what are the benefits of pl/sql packages?
What does count (*) mean in sql?
What is sql and its types?
What is the difference between the Primary and Foreign key?
What is the difference between function, procedure and package in pl/sql?
Do ddl statements need commit?
Can we use having without group by in sql?
Can a table have no primary key?
What are the popular database management systems in the it industry?
Is time a data type in sql?
State the advatage and disadvantage of Cursor's?
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