The Oracle Database Documentation and other resources use these sample schemas to demonstrate the capabilities of Oracle Database and the SQL and PL/SQL languages ...

ora_migrator is a plugin for db_migrator that uses oracle_fdw to migrate an Oracle database to PostgreSQL. Please read the db_migrator documentation for usage ...

Instr/Guid Center is a public school located in McAllen, TX, which is in a mid-size city setting. The student population of Instr/Guid Center is 32 and the school serves 6-12. At Instr/Guid Center, 25 ...

Aggregate functions help turn large datasets into simple summaries used across many fields. GROUP BY and HAVING allow structured grouping and filtering of data for clearer reports. Functions like ...