null-handling – CodeRavo

Understanding StringUtils.isBlank() vs String.isEmpty(): A Comparative Analysis

Introduction In Java programming, validating and checking string values is a common task. Developers often need … Understanding StringUtils.isBlank() vs String.isEmpty(): A Comparative AnalysisRead more

apache-commons-lang, java-strings, null safety, null-handling, string-isempty, stringutils-isblank, whitespace-check

Selecting Distinct Rows Based on Multiple Columns in SQL

Introduction In relational databases, selecting distinct rows based on multiple columns is a common requirement when … Selecting Distinct Rows Based on Multiple Columns in SQLRead more

Aggregate Functions, anti-join, database performance, group by, null-handling, select-distinct, sql-update, subquery

Using Conditional Logic in SQL SELECT Statements for Dynamic Data Output

Introduction When working with databases, particularly when querying data using SQL, you may encounter scenarios where … Using Conditional Logic in SQL SELECT Statements for Dynamic Data OutputRead more

CASE statement, conditional logic, dynamic-data-output, if-function, null-handling, SELECT statement, SQL