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SQL PREPARATION TIME NOTE 4

In this article, You learn SQL Joins, Relationship, Mapping Cardinality, and Attribute. Joining is used in SQL when more than one table is related in a Query. Relationship stands for how entities and related to each other. Mapping cardinality stands for in which order entities are related. Attribute refers to…

SQL PREPARATION TIME NOTE 1

This “SQL PREPARATION TIME NOTE 1” article, covers SQL, SQL Functionalities, RDBMS, select Distinct, select top, select, where, And or operator, order by, semicolon, numeric & text fields. You can achieve a very high degree of knowledge in SQL in a very effective way and it’s less time-consuming. There are…

THE 50 INTERVIEW QUS & ANS | POINTWISE ANS

50 commonly asked HR interview questions Approach: The below approach has been taken while answering all the questions.

Description/purpose of the question: At first the purpose of the question has been mentioned. This talks about the reasons why the interviewer normally asks the question (the things that they want…

PL/SQL XAMPP EXAMPLE SET 2

In this , we are going to learn how to use SQL in XAMPP. Here mainly cover CREATE, FOREIGN KEY ADD, ALTER, INSERT, SELECT, AGE RETRIEVE, TIMESTAMPDIFF, DISTINCT, LIKE, CURDATE, COUNT, SUM, MAX, AND, OR, IN, NOT IN, TRUNC, RENAME OPERATION ,UNION, BETWEEN, NESTED QUERIES. All types are discussed in…

PL/SQL XAMPP EXAMPLE SET 1

In this PL/SQL XAMPP EXAMPLE SET 1, You can to learn how to use SQL commands in XAMPP. Here cover DML, Data Insertion, Data Updation, Data Deletion, Data Selection, CREATE, DESCRIBE SCHEMA, INSERT, ADD COLUMN, REMOVE COLUMN, UPDATE, ALTER, PRIMARY KEY, MODIFY, DROP COLUMN, DATATYPE CHANGE, RENAME FIELD, DISTINCT, DELETE…

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