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 ...

Will Kenton is an expert on the economy and investing laws and regulations. He previously held senior editorial roles at Investopedia and Kapitall Wire and holds a MA in Economics from The New School ...

Dara-Abasi Ita writes about trading and investing for Investopedia and Investing.com, and he is an editor at Lawverse magazine. He has written about financial topics, including private equity, asset ...

A complex sentence communicates more than one idea. One part (the main clause) is like a simple sentence: it can stand on its own. The other part (the minor clause) gives more detail about the simple ...

This project demonstrates a fully containerized, observable, multi-agent Text-to-SQL architecture, built around LangGraph, FastAPI, PostgreSQL + pgvector, and OpenTelemetry. Natural-language questions ...

Abstract: We introduce a web-based SQL query visualisation tool aimed at improving students' understanding of SQL query execution. The tool, available as an Open Educational Resource (OER), allows ...

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 ...