However, that data can then be represented on a graph, with axes corresponding to the different variables in the table. A horizontal axis on a graph corresponds to one variable from a data table.

New techniques make graph databases a powerful tool for grounding large language models in private data.

SQL lets you use one command to quickly create a new table containing a subset of records from a larger table while working in Access. Sound complicated? It's not, as Mary Ann Richardson shows us.

Read this SQL tutorial to learn when to use SELECT, JOIN, subselects and UNION to access multiple tables with a single statement.