Jan 15, 2016 · NUMBER(12,0) indicates a numeric data type with precision 12 and scale 0 . A related SO post explains precision and scale further:.
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Nov 12, 2021 · A unique key is used to ensure no rows have duplicate values, but it can have null values (unless set to not null). Also, you can have ...
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why a primary key column needs again NOT NULL constraint ...
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Mar 7, 2022 · Hi, I have seen few examples in docs that creates tables having primary key column , but explicitly defined again with NOT NULL constraint.
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Jun 20, 2023 · Hi Team,. Is anyone facing this issue? Autonumber Primary Keys - Id's are not getting generated in sequential manner.
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Hi Tom, I just got one question. In one of the table design, developer came up with the question, Why should one use Primary Key and why not Unique index + ...
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Duration: 3:36
Posted: Jan 4, 2017
Posted: Jan 4, 2017
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Jun 7, 2020 · I have a table called “Settings” and a field called “Next Number” and a field called “Format”. Next Number is 101000. Format is 'TRnnnnnn'.
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