6 min read · Feb 26, 2023 SQL Server is a relational database management system (RDBMS) developed by Microsoft Corporation. It is a widely used tool for storing, managing, and retrieving data from relational databases. SQL Server is used by businesses of all sizes to manage large amounts of data, ranging from small-scale databases to…
6 min read – Feb 27, 2023 Relational databases are a type of database management system (DBMS) that stores data in tables consisting of rows and columns, with relationships between tables defined by keys. Relational databases are widely used in various industries and applications, and are considered one of the most important technologies for managing…
6 min read – Mar 5, 2023 The LIKE operator is used in SQL to compare a string to a pattern. It is often used with the wildcard characters “%” and “_“. The “%” character matches any sequence of zero or more characters and the “_“ character matches any single character. The LIKE operator is commonly used…
4 most pressing questions about NULL values in SQL answered 6 min read – Mar 30, 2023 Handling NULL values in SQL is an important aspect of database design and management. In SQL, NULL values are used to represent missing or unknown data. Almost all research experiences the issue of missing data, even in cases…
8 min read – Mar 22, 2023 CASE statements in SQL are a powerful tool for creating conditional logic and branching within SQL queries. They allow you to evaluate expressions and return different results depending on the conditions you specify. Here is the syntax of Simple and Search CASE Statements Syntax of a Simple CASE statement…