Substring returns characters from a string, starting from the specified position, or index. Index values start with the number 0. Examples: substring('This_is_a ...

Abstract: Nowadays, SQL (Structured Query Language) is widely taught in professional schools and colleges across the globe. SQL is an efficient domain-specific language for managing and querying ...

Abstract: SQL injection attacks have posed a significant threat to web applications for decades. They obfuscate malicious codes into natural SQL statements so as to steal sensitive data, making them ...

UTF-8 is a variable length encoding. The module uses an array where each single or multi-byte UTF-8 character is one array element. Array manipulations can be used on this UTF-8 character array. To ...

It contains a production grade implementation including DEPLOYMENT code with CDK and a CI/CD pipeline, testing, observability and more (see Features section). Choose the architecture that you see fit, ...