SQL Tutorial for Beginners

SQL Tutorial

SQL Tutorial for Beginners, Data Definition Language, Data Manipulation Language, Data Control Language, and write SQL Queries & Subqueries. SQL (Structured Query Language) is a standard language for storing, manipulating, and retrieving data in databases. SQL was initially developed at IBM in the 1970s, It became a standard of the American National Standards Institute (ANSI) in 1986. SQL … Read more

SQL Syllabus

SQL Tutorial

SQL Syllabus, SQL can be used by Database developers to create & manipulate databases, Database Administrators for Database Administration, and Software Testers to conduct Database Testing. SQL (Structured Query Language) is a standard language for storing, manipulating, and retrieving data in databases. SQL was initially developed at IBM in the 1970s, It became a standard … Read more

SQL Tutorial 5: Data Definition Language

SQL Tutorial 5: Data Definition Language SQL (Structured Query Language) is for Database Developers, Database Administrators, and Database testers. Three main subsets of SQL: i) Data Definition Language ii) Data Manipulation Language iii) Data Control Language ————————– Database Engine is required to practice / use SQL, we can use any Database engine like Oracle, MS … Read more

SQL Knowledge For Software Testers

SQL Knowledge For Software Testers Basics of the SELECT Statement  In a relational database, data is stored in tables. An example table would relate Social Security Number, Name, and Address: EmployeeAddressTable SSN FirstName LastName Address City State 512687458 Joe Smith 83 First Street Howard Ohio 758420012 Mary Scott 842 Vine Ave. Losantiville Ohio 102254896 Sam … Read more

SQL Queries and Sub Queries

SQL Queries and Sub Queries SQL Queries: The SQL queries are the most common and essential SQL operations. Via an SQL query, one can search the database for the information needed. SQL queries are executed with the “SELECT” statement. An SQL query can be more specific, with the help of several clauses like FROM – … Read more