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Everything about DUAL table

The DUAL table is a special one-row, one-column table present by default in Oracle and other database installations. In Oracle, the table has a single VARCHAR2(1) column called DUMMY that has a value of 'X'. It is suitable for use in selecting a pseudo column such as SYSDATE or USER. Wikipedia →

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  1. Read the overview: DUAL tableA 5-minute orientation
  2. Skim a recent paper: Transarterial chemoembolisation combined with lenvatinib plus pembrolizumab versus dual placebo for unresectable, non-metastatic hepatocellular carcinoma (LEAP-012): a multicentre, randomised, double-blind, phase 3 studyInfluential work since 2022
  3. Pick up a classic book: Alice's Adventures in WonderlandThe most-reprinted book on the subject
  4. Read the landmark paper: Metastable high-entropy dual-phase alloys overcome the strength–ductility trade-offCited 4,090 times
  5. Go sideways: Hierarchical and recursive queries in SQLA closely related topic
  6. Go sideways: Comparison of relational database management systemsA closely related topic

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