#linux commands for oracle dba pdf

[ocptechnology]

Useful Linux commands for DBA

Useful Linux commands for ORACLE DBA

Here we learn some useful Linux commands for dba. Read: How to add SWAP Space in Linux PWD: show the present working directory. $pwd /home/oracle ls: list all files and directories from a given location, if the location is not given it shows the list from the current directory. $ls $ls /u01 $ls -l (list file details) $ls -a (show hidden files) cd: change directory or switch directory. $cd…

[udemy-gift-coupon-blog]

Database Management Systems - MySQL ##UdemyFreeCoupons ##UdemyReview #Database #Management #MySQL #Systems Database Management Systems - MySQL E-R Diagrams: Before going to develop original database, first the DBA developer will analyze manual database information and later he converted into "pictorial" representation is known as Entity-Relationship diagrams. When we design E-R diagram, use the following symbols rectangle:- will represent table name or entity name oval:- column names of a table diamond:- the relationship between tables ------->:- connecting to the tables Introduction to SQL: Structured Query Language is used to communicate with any database such as SQL Server, MySQL, Oracle, DB2 etc. SQL was designed & developed by the German scientist E.F.Codd in 1970 & released in 1972 with ANSI approved. SQL will pronounce as "SEQUAL" (Structure English Query Language) SQL will provide common user interface (CUI) facility i.e, this is the only one language which can communicate with any type of database's in realtime. SQL contains the following sub languages: Data Definition Language (DDL) Data Manipulation Language (DML) Data Query/Retrival Language (DQL/DRL) Transaction Control Language (TCL) Data Control Language (DCL) Commands of sub languages are: DDL:- create, alter, rename, drop, trancate DML:- insert, update, delete DQL:- select TCL:- commit, rollback, savepoint DCL:- grant, revoke MySQL: MySQL is an open-source relational database management system. Its name is a combination of "My", the name of co-founder Michael Widenius's daughter, and "SQL", the abbreviation for Structured Query Language. License: GPL (version 2) Developed by: Oracle Corporation Stable release: 8.0.12 / 27 July 2018; 2 months ago Original author: MySQL AB Initial release date: 23 May 1995 Written in: C, C++ MySQL is a fast, easy-to-use RDBMS being used for many small and big businesses. MySQL works on many operating systems and with many languages including C, C++, JAVA, R, Python etc. MySQL works very quickly and works well even with large data sets. MySQL is very friendly to R and Python. MySQL Workbench: MySQL Workbench is a visual database design tool that integrates SQL development, administration, database design, creation and maintenance into a single integrated development environment for the MySQL database system. License: Community ed.: GPL;         Standard ed.: Commercial software Developed by: Oracle Corporation Stable release: 8.0.12 / July 27, 2018 Operating system: Windows, OS X and Linux Written in: C++, C#, Objective-C MySQL Installation: Follow the steps to install MySQL in Windows (refer PDF resource file) Normalization: What is normalization & normal forms (refer PDF resource file) 👉 Activate Udemy Coupon 👈 Free Tutorials Udemy Review Real Discount Udemy Free Courses Udemy Coupon Udemy Francais Coupon Udemy gratuit Coursera and Edx ELearningFree Course Free Online Training Udemy Udemy Free Coupons Udemy Free Discount Coupons Udemy Online Course Udemy Online Training 100% FREE Udemy Discount Coupons https://www.couponudemy.com/blog/database-management-systems-mysql/