Introduction: Oracle is a Relational Database Management System (RDBMS) available in various versions. In this article I am going to tell you various Oracle versions and features. Every new oracle version comes with new features. Any software is not a final product. There is always a scope for improvements. That’s why there is a need …
Introduction Look at the title it is “How long does it take to learn SQL in 2021?” It could be only “How long does it take to learn SQL ? Why 2021 is attached to make it How long does it take to learn SQL in 2021?” ? In this modern era of online learning …
Fibonacci Series in python Fibonacci Series in python-In this article, we’re going to start talking about finding the Fibonacci series in python and the factorial of a number in Python. So to begin with the Fibonacci numbers is a fairly classically studied sequence of natural numbers. The 0th element of the sequence is 0. The …
Find the Fibonacci Series in python and Factorial of a Number in python Read More »
Online jobs from home Online jobs from home is not a new term but after the lockdown period imposed by COVID-19, most of the people are looking for online jobs work from home. Nowadays people are preferring work from home. There are various ways to earn money by online jobs. You can earn up to 50000 INR …
20 Best Online Jobs from home –No investment (Earn 50,000 per month) Read More »
1. TRP full form TRP full form-All the Television Viewers must have heard this term that is Television Rating Point (TRP). But very few know about this term. What is TRP and what is TRP full form? I am going to elaborate on this. If you watch TV then you must have heard about TRP …
What is Flask framework and Django framework: If you are interested in web development using Python then Python flask framework and Django framework is a good choice because both the Framework provides an efficient and elegant way to develop your web application. There is a very popular approach that is used to develop the websites …
This article reveals the power of python language to deal with strings, to perform various operations on strings such as how to get strings to be all lowercase in python, and how many characters does a string has in python, and comparison operators. Apart from all that few mathematical functions will also be discussed such …
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Database Developer For any organization, the database is developed and maintained by a professional known as a database developer. A database developer can become a key person of any organization by providing his /her services related to database management and database security. That’s why it is a good carrier option. A database developer is a …
If you want to build a carrier in the field of computer, there are several options such as Network Administration Database Administration Hardware Software Coding means software development. If you want to build your carrier in software development, few questions arises in the mind. How much you can earn being a software developer? How long …
How long does it take to learn python? 1.Python is easy to learn:- Python is very easy to learn because a person who has no knowledge of any programming language can learn python. Python supports all the programming paradigms such as structured programming, procedural programming, object-oriented programming, etc. 1.a Example to demonstrate how easy Python …
In this post you will be told how many types of data types are there in SQL, Let us go into detail, so let’s start. When you create a new relation (Table), you specify a data type for each of its columns/attributes. Similarly, when you create a new procedure, you specify a data type for …
What are Anomalies in DBMS Normalization is necessary if you do not do it then the overall integrity of the data stored in the database will eventually degrade. Specifically, this is due to data anomalies. These anomalies in DBMS naturally occur and result in data that does not match the real-world database purports to represent. …
What are Joins in SQL? Joins in SQL combines rows from two or more tables. It creates a set of rows in a temporary table. Joins two or more tables is one of the most powerful features of relational systems. In fact, it is the availability of the Join operation, almost more than anything else …
How to find second highest salary in SQL To find the second highest salary in SQL is a very common important interview question. If you are going for the role at the junior level. There are many ways to find the second highest salary in SQL. Some important questions to find the salary are given below. …
What is a Relational Database Management System? Full form of RDBMS is –Relational Database Management System. Relational Database Management System Relational DataBase Management System representation of tables only. A relational database refers to a database that stores data in a structured format, using rows and columns. In RDBMS we can store the data in the …
What is Candidate Key in DBMS? A Candidate Key in DBMS is a minimal set of columns/attributes that can be used to uniquely identify a single/every tuple or row in a relation. Candidate Keys are determined during database design based on the underlying business rules of the database. After finding all possible candidate keys in a relation.DBA choose …
12 Codd Rules for RDBMS:- Codd Rules for RDBMS were given by E.F Codd which should be satisfied by the DBMS to become an RDBMS. Dr. E.F codd describes the relational model in 1970. He has put 12 rules to describing the Relational Model. 12 Codd’s Rules for RDBMS:- Dr. E.F codd given 12 codd,s rules which are …
DISTINCT Command in SQL a very important keyword for a select statement In a table. In a particular table, columns may contain duplicate or repeated values and you want to fetch only distinct values from the table. The DISTINCT keyword can be used to return only distinct (different) values. for eg: in a city column …
This SQL Tutorial focuses on the SQL DML statements. DML (Data Manipulation Language) statements are the SQL, sublanguage that is used for data retrieval and manipulation. Using DML commands you can perform operations such as inserting new rows, updating and deleting the existing rows tables. Data manipulation language(DML Commands) is a core part of SQL. When you want to …
Create table Vendors as follows: Ven_id Ven_name Contact Street City Salary Dept_id 1 Ratna 9044670000 Rajiv Chowk Delhi 30000 A01 2 Anjali 9839780000 Vijay Nagar Kanpur 21000 A01 3 Rahul 9532890000 Model Town Delhi 35000 B02 4 Ankit 7522900000 Rajajipuram Lucknow 24500 C03 5 Sumit 7271000000 Ramadevi Kanpur 26000 B02 6 Kapil 7890120000 Mall Road …
What is a database? A database is a logically coherent collection of data with some inherent meaning, representing some aspect of the real world and which is designed, built and populated with data for a specific purpose. What is DBMS? It is a collection of programs that enables the user to create and maintain a …
A subquery is a query within a query for the same or different table. The inner query is enclosed in parentheses (). The result of the inner query would be given as input to the outer query. Subqueries enable you to write queries that select data rows for criteria that are actually developed while the …
A primary key in SQL is a one-column or combination of the column with a unique value for each row or tuple. The value of the primary key must be unique within the table. The purpose is to bind data together, across tables, without repeating all of the data in every table. It enforces two …
Full form of WWWW The meaning of WWWW is World Wide Web Worm, or WWWW stands for World Wide Web Worm, or the full name of given short form is World Wide Web Worm. History of WWWW World Wide Web Worm is known as WWWW, was one of the first search engines for the World Wide Web . It is claimed by some to be the first …
ECRM full form –Electronic customer relationship management is the use of Internet-based technologies like mails, sites, chat rooms, forums and other stations to reach CRM objectives. It’s a well-structured and coordinated procedure for CRM that simplifies the procedures in advertising, sales and client services. A successful E-CRM raises the efficacy of their procedures in addition …
Pink cloud or pink clouding syndrome, refers to a stage of early addiction recovery that involves feelings of euphoria and elation. When you are in this stage, you’re feeling confident and excited about retrieval. The issue with pink cloud syndrome is the fact that it doesn’t last forever, and coming out of this phase can …
In this tutorial, you will learn about the Oracle Sql correlated subquery and also you will learn how to execute Oracle correlated subquery and differences between subquery and correlated Query. correlated subquery means that subquery depends on the outer query result i.e. the subquery which are depending on the outer query output is known as …
ATM full form is Automated Teller Machine. in the old banking system, customers visit physically to a bank branch for deposit/withdrawal transaction where a person (teller) record the transaction manually and give/take money to/from the customer. In modern banking, ATM(an electromechanical cash dispenser machine connected with a bank computer server. These ATM machines are installed …
