Understanding the DUAL Table in Oracle.
Understanding the DUAL Table in Oracle. 👉 The DUAL table in Oracle is a special, single-row, single-column table automatically created by the Oracle database. 👉 It is primarily used to select pseudo-columns, perform calculations, and execute functions without needing an actual table. 💡 Did you know Oracle's DUAL table has evolved from a physical table to a fully virtualized structure? ✅ Check out this detailed breakdown, including comparisons with MySQL, PostgreSQL, and SQL Server! 😯 Which fact surprised you the most? Drop your thoughts below! hashtag # OracleSQL hashtag # PLSQL hashtag # DatabaseTips hashtag # SQLPerformance https://www.linkedin.com/feed/update/urn:li:activity:7304417988856659968?utm_source=share&utm_medium=member_desktop&rcm=ACoAAAHUA7sBrzo1SCAyjeql1qiSe9GQS2mmWX4