Practical SQL guides covering queries, database design, schema visualization, performance, and tools for working with relational databases.
See how to manage a MySQL database visually. Browse and edit tables, run SQL, build joins and ER diagrams, expand JSON columns, check EXPLAIN plans, and create charts in VisuaLeaf.
VisuaLeaf is an Oracle SQL Developer alternative for visual queries, ER diagrams, table management, SQL, and PL/SQL. See how it works with a real ORDEROPS schema.
Learn how to use DuckDB for local analysis: open a database, query CSV and Parquet files, inspect relationships, edit data, and create charts.
A practical PostgreSQL JSONB workflow for querying nested values, updating individual fields, and indexing containment searches with GIN.