What is SQLAlchemy?
Python has many libraries to connect to SQL databases. SQLAlchemy is a Python SQL toolkit that allows developers […]
expression
C# Expressions
Expressions combine operators with variables and literal values. What does this mean? Variables store data, and are analogous […]
C# Operators
What is an operator in C#? An operator is a program element that is applied to one or […]
SQL Server Common Table Expressions CTE
Common table expressions (CTEs) are another kind of table expression that like derived tables are visible only to […]
SQL Server Table Expressions
What is a table expression? Table expressions are named query expressions that represent a valid relational table. Table […]
Regular Expressions Examples
A regular expression is a sequence of characters that a search pattern. The search pattern can be used […]