Learn how to list tables in SQLite attached databases using ATTACH command. Discover SQL queries to explore table contents and metadata in attached SQLite files.
Learn multiple methods to determine PostgreSQL version without shell access using SQL queries, Navicat, or phpPgAdmin in corporate environments. Complete guide for database administrators.
Learn how to use SQL LIKE queries to find all database tables containing columns with specific names. Complete guide with examples for MySQL, PostgreSQL, SQL Server, and Oracle.
Verification and optimization of SQL query for retrieving clients with active loans. Analysis of correctness, performance, and alternative approaches.