PL/SQL – Object Oriented
In this chapter, we will discuss Object-Oriented PL/SQL. PL/SQL allows defining an object type, which…
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Year: 2020
PL/SQL – DBMS Output
In this chapter, we will discuss the DBMS Output in PL/SQL. The DBMS_OUTPUT is a…
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PL/SQL – Date & Time
In this chapter, we will discuss the Date and Time in PL/SQL. There are two…
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PL/SQL – Transactions
In this chapter, we will discuss the transactions in PL/SQL. A database transaction is an…
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PL/SQL – Collections
In this chapter, we will discuss the Collections in PL/SQL. A collection is an ordered…
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PL/SQL – Packages
In this chapter, we will discuss the Packages in PL/SQL. Packages are schema objects that…
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PL/SQL – Triggers
In this chapter, we will discuss Triggers in PL/SQL. Triggers are stored programs, which are…
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PL/SQL – Exceptions
In this chapter, we will discuss Exceptions in PL/SQL. An exception is an error condition…
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PL/SQL – Records
In this chapter, we will discuss Records in PL/SQL. A record is a data structure…
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PL/SQL – Cursors
In this chapter, we will discuss the cursors in PL/SQL. Oracle creates a memory area,…
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PL/SQL – Functions
In this chapter, we will discuss the functions in PL/SQL. A function is same as…
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PL/SQL – Procedures
In this chapter, we will discuss Procedures in PL/SQL. A subprogram is a program unit/module…
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PL/SQL – Arrays
In this chapter, we will discuss arrays in PL/SQL. The PL/SQL programming language provides a…
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PL/SQL – Strings
The string in PL/SQL is actually a sequence of characters with an optional size specification….
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PL/SQL – Loops
In this chapter, we will discuss Loops in PL/SQL. There may be a situation when…
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PL/SQL – Conditions
In this chapter, we will discuss conditions in PL/SQL. Decision-making structures require that the programmer…
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PL/SQL – Operators
In this chapter, we will discuss operators in PL/SQL. An operator is a symbol that…
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PL/SQL – Constants and Literals
In this chapter, we will discuss constants and literals in PL/SQL. A constant holds a…
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PL/SQL – Variables
In this chapter, we will discuss Variables in Pl/SQL. A variable is nothing but a…
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PL/SQL – Data Types
In this chapter, we will discuss the Data Types in PL/SQL. The PL/SQL variables, constants…
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PL/SQL – Basic Syntax
In this chapter, we will discuss the Basic Syntax of PL/SQL which is a block-structured…
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VB.Net – Overview
Visual Basic .NET (VB.NET) is an object-oriented computer programming language implemented on the .NET Framework….
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PL/SQL – Environment Setup
In this chapter, we will discuss the Environment Setup of PL/SQL. PL/SQL is not a…
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PL/SQL – Overview
The PL/SQL programming language was developed by Oracle Corporation in the late 1980s as procedural…
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SQL – RDBMS Concepts
What is RDBMS? RDBMS stands for Relational Database Management System. RDBMS is the basis for…
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SQL – Overview
SQL is a language to operate databases; it includes database creation, deletion, fetching rows, modifying…
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MySQL – Installation
All downloads for MySQL are located at MySQL Downloads. Pick the version number of MySQL…
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MySQL – Introduction
What is a Database? A database is a separate application that stores a collection of…
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Python – Extension Programming with C
Any code that you write using any compiled language like C, C++, or Java can…
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Python – GUI Programming (Tkinter)
Python provides various options for developing graphical user interfaces (GUIs). Most important are listed below….
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Python – XML Processing
XML is a portable, open source language that allows programmers to develop applications that can…
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Python – Multithreaded Programming
Running several threads is similar to running several different programs concurrently, but with the following…
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Python – Sending Email using SMTP
Simple Mail Transfer Protocol (SMTP) is a protocol, which handles sending e-mail and routing e-mail…
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Python – Network Programming
Python provides two levels of access to network services. At a low level, you can…
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Python – MySQL Database Access
The Python standard for database interfaces is the Python DB-API. Most Python database interfaces adhere…
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Python – CGI Programming
The Common Gateway Interface, or CGI, is a set of standards that define how information…
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Python – Regular Expressions
A regular expression is a special sequence of characters that helps you match or find…
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Python – Object Oriented
Python has been an object-oriented language since it existed. Because of this, creating and using…
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Python – Exceptions Handling
Python provides two very important features to handle any unexpected error in your Python programs…
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Python – Files I/O
This chapter covers all the basic I/O functions available in Python. For more functions, please…
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Python – Modules
A module allows you to logically organize your Python code. Grouping related code into a…
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Python – Functions
A function is a block of organized, reusable code that is used to perform a…
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Python – Date & Time
A Python program can handle date and time in several ways. Converting between date formats…
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Python – Dictionary
Each key is separated from its value by a colon (:), the items are separated…
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Python – Tuples
A tuple is an immutable sequence of Python objects. Tuples are sequences, just like lists….
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Python – Lists
The most basic data structure in Python is the sequence. Each element of a sequence…
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Python – Strings
Strings are amongst the most popular types in Python. We can create them simply by…
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Python – Numbers
Number data types store numeric values. They are immutable data types, means that changing the…
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Python – Loops
In general, statements are executed sequentially: The first statement in a function is executed first,…
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Python – Decision Making
Decision making is anticipation of conditions occurring while execution of the program and specifying actions…
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