data model
A database consists of an organized collection of data for one or more multiple uses
schema
A Database Management System (DBMS) organizes data using a structured format, typically in tables that consist of rows and columns. Each table represents an entity, with columns defining attributes and rows containing records. DBMS employs schemas to define the database structure and relationships among tables, often using keys to link related data. Additionally, indexing helps to optimize data retrieval, ensuring efficient access and management of information.
A DBMS (Database Management System) is a software application that allows users to interact with a database. An RDBMS (Relational Database Management System) is a type of DBMS that organizes data into tables with rows and columns, and uses structured query language (SQL) for querying and managing data. RDBMSs are a subset of DBMSs, designed specifically for relational databases.
DDL Statments
Ideal
three standards define by ISO
These are set by the inventors of the software and extension is associated with, in conjunction with people who define computer standards and other software developers.These are set by the inventors of the software and extension is associated with, in conjunction with people who define computer standards and other software developers.These are set by the inventors of the software and extension is associated with, in conjunction with people who define computer standards and other software developers.These are set by the inventors of the software and extension is associated with, in conjunction with people who define computer standards and other software developers.These are set by the inventors of the software and extension is associated with, in conjunction with people who define computer standards and other software developers.These are set by the inventors of the software and extension is associated with, in conjunction with people who define computer standards and other software developers.These are set by the inventors of the software and extension is associated with, in conjunction with people who define computer standards and other software developers.These are set by the inventors of the software and extension is associated with, in conjunction with people who define computer standards and other software developers.These are set by the inventors of the software and extension is associated with, in conjunction with people who define computer standards and other software developers.These are set by the inventors of the software and extension is associated with, in conjunction with people who define computer standards and other software developers.These are set by the inventors of the software and extension is associated with, in conjunction with people who define computer standards and other software developers.
There are following types of users: § Database Administrators § Security Officers § Network Administrators § Application Developers § Application Administrators § Database Users
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a. minimum acceptable
SQL (Structured Query Language) enables a database administrator to define schema components, such as tables, columns, indexes, and relationships in a database. By using SQL commands like CREATE TABLE, ALTER TABLE, and CREATE INDEX, administrators can create and modify the structure of a database according to their requirements.