Tagged: SQL Basics

SQL Knowledge For Software Testers 0

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...

SQL Operators 0

SQL Operators

SQL Operators An operator is a reserved word or a character used primarily in an SQL statement’s WHERE clause to perform operation(s), such as comparisons and arithmetic operations. Operators are used to specify conditions...

SQL Queries 0

SQL Queries

SQL Queries SQL Expressions: An expression is a combination of one or more values, operators, and SQL functions that evaluate to a value. SQL EXPRESSIONs are like formulas and they are written in query...

SQL Guide 0

SQL Guide

SQL Step Step Guide SQL Introduction (SQL History, Purpose of SQL, SQL Language Elements, and Subsets of SQL, Data Definition Language, Data Manipulation Language, and Data Control Language) Overview on Databases (Introduction to Data,...