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Jonathan Lewis's tweets

@AndrewSayer_ The original code was doing something that foreced Oracle to access sys.dual instead of x$dual, so cr… https://t.co/DtTgzbaLZM1 week 13 hours ago
@OracleSK JL's 4th Law of consultancy: If you're an (independent) Oracle performance consultant you don't have to… https://t.co/p5Br73v82S1 week 18 hours ago
RT @OracleSK: Be aware of an edge case with NDV algorithm and histograms on a single value column with Oracle version > 12 — 1 week 18 hours ago
@AndrewSayer_ Looking forward to hearing the answer. — 1 week 1 day ago
@AndrewSayer_ Long version: https://t.co/LVr8KqPzVb1 week 1 day ago
@AndrewSayer_ Anything to do with Oracle knowing dual is a single row and not hiding constants in "select {constant… https://t.co/gD8qSh8Oaf1 week 1 day ago
RT @TanelPoder: @OracleSK @martinberx @FranckPachot @OracleDatabase Haha yes indeed, but you still can't run *proper* SQL via the oradebug… — 1 week 2 days ago
Today's new word: "antiscorbutic" which describes the medicinal benefits of "pringlea antiscorbutica". (Reading ab… https://t.co/rOH05Vbzai1 week 2 days ago
RT @JamesMorle: Offered a SINGLE option by the rental clerk, Ebeneezer Scrooge: Premium Protection and Personal Accident, at a bargain rate… — 1 week 2 days ago
RT @JamesMorle: Was told that: (a) I could only have a Skoda instead of the (prepaid) Mercedes that I booked, and that this was the *same… — 1 week 2 days ago