SQL Explained in 86 Seconds
What is SQL? How does it work and when was it created? This SQL in under 100 seconds video will answer some of these sql interview questions. As you will learn from this SQL tutorial, SQL is a language that helps developers create, modify, and delete objects in a database. SQL is a short term for Structured Query Language. The Structured Query Language, or SQL, is used by relational database management systems, such as MySQL and its counterparts, SQL Server, Oracle, PostgreSQL, and others. As you're walking through SQL basics, you will learn that SQL was initially developed in 1973 to retrieve data from IBM's System R database. By 1986, SQL became a standard of the American National Standards Institute, or ANSI. ISO quickly followed suit in 1987, and now SQL is a basis to many developer projects including SQL projects, PHP projects, Java projects, and others. This SQL tutorial will tell you that some of the most important SQL commands include the so-called CRUD command set with CREATE or INSERT,SELECT,UPDATE,and DELETE SQL queries or SQL clauses, but SQL also has SQL commands that modify or delete data in databases such as ALTER or TRUNCATE. Relational database management systems based on SQL follow a simple database-table principle where each server has databases, and those databases have tables with columns and rows inside of them. Columns and rows can be created, modified, or deleted using SQL. This SQL for beginners tutorial will tell you that depending on which relational database management system you find yourself using, relational database management system reference manuals provide you with capabilities unique to the database management systems. Those capabilities include, but are not limited to SQL indexes, data types, functions and operators, SQL statements or SQL queries, database replication, stored objects and enterprise solutions, and so much more. All databases can be backed up in a variety of different ways and secured using standard methods as well as ways that are unique to each relational database management system, so make sure to subscribe to this channel to know more about SQL, databases and things related to them such as sql injection and the like. Keep in mind that this sql tutorial channel also shares sql interview questions and answers relevant to both DBAs and software engineers alike, so keep an eye on it, and until next time. Music: Reverie by Tokiwave: / tokiwave Creative Commons — Attribution 3.0 Unported — CC BY 3.0 Free Download / Stream: https://bit.ly/48XWhtx Music promoted by Audio Library https://bit.ly/3vD0EMm #sql #interview #developer #database #web #mysql
