what are the types of exceptions? How to handle exceptions? Types of collections write a program by using a collection write a program by using an exception difference between function and procedure procedure and function syntax type of trigger what is instead of trigger

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Accepted Answer

The question is about various topics related to programming, including exceptions, collections, triggers, and functions.

Types of exceptions include checked and unchecked exceptions
Exceptions can be handled using try-catch blocks
Types of collections include lists, sets, and maps
Example of a program using a collection: storing and retrieving student names in a list
Example of a program using an exception: dividing two numbers and handling a possible divide-by-zero exception
A function returns a value, while a procedure does not
Syntax for a procedure: PROCEDURE procedure_name IS ... END procedure_name;
Syntax for a function: FUNCTION function_name RETURN return_type IS ... END function_name;
Types of triggers include row-level triggers and statement-level triggers
Instead of triggers are used to replace the default action of a DML statement

Accepted Answer

There are several types of exceptions in programming, including:

Syntax errors: These occur when the code is not written correctly and cannot be parsed by the interpreter.
Runtime errors: These occur when the code is syntactically correct, but there is an error during execution.
Logical errors: These occur when the code is syntactically correct and runs without any errors, but does not produce the expected output.

To handle exceptions in a program, you can use a try-except block. This allows you to specify code that may throw an exception (the "try" block), and code to be executed if an exception is thrown (the "except" block).

There are several types of collections in programming, including:

Lists: These are ordered collections of items that can be of any data type.
Tuples: These are ordered collections of items that cannot be modified.
Sets: These are unordered collections of items that do not allow duplicate elements.
Dictionaries: These are collections of key-value pairs, where each key is unique.

The difference between a function and a procedure is that a function returns a value, while a procedure does not. A procedure is a set of statements that performs a task, while a function is a piece of code that takes input, performs a task, and returns an output.

A trigger is a piece of code that is automatically executed in response to a specific event, such as the insertion or deletion of a record in a database table.

There are two types of triggers:

Row-level triggers: These are triggered once for each row affected by an insert, update, or delete operation.
Statement-level triggers: These are triggered once for each insert, update, or delete statement, regardless of how many rows are affected.

An "instead of" trigger is a special type of trigger that is used to modify the behavior of a view, rather than a table. It allows you to specify custom actions to be taken instead of the default insert, update, or delete operations on a view. For example, you might use an instead of trigger to redirect insert operations on a view to a different table.

what are the types of exceptions? How to handle exceptions? Types of collections write a program by using a collection write a program by using an exception difference between function and procedure procedure and function syntax type of trigger what is instead of trigger

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