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  2. Cardinality (SQL statements) - Wikipedia

    en.wikipedia.org/wiki/Cardinality_(SQL_statements)

    High-cardinality refers to columns with values that are very uncommon or unique. High-cardinality column values are typically identification numbers, email addresses, or user names. An example of a data table column with high-cardinality would be a USERS table with a column named USER_ID. This column would contain unique values of 1-n. Each ...

  3. String interning - Wikipedia

    en.wikipedia.org/wiki/String_interning

    The distinct values are stored in a string intern pool. The single copy of each string is called its intern and is typically looked up by a method of the string class, for example String.intern() [2] in Java. All compile-time constant strings in Java are automatically interned using this method. [3]

  4. Identity column - Wikipedia

    en.wikipedia.org/wiki/Identity_column

    An identity column differs from a primary key in that its values are managed by the server and usually cannot be modified. In many cases an identity column is used as a primary key; however, this is not always the case. It is a common misconception that an identity column will enforce uniqueness; however, this is not the case. If you want to ...

  5. Null (SQL) - Wikipedia

    en.wikipedia.org/wiki/Null_(SQL)

    These mistakes are usually the result of confusion between Null and either 0 (zero) or an empty string (a string value with a length of zero, represented in SQL as ''). Null is defined by the SQL standard as different from both an empty string and the numerical value 0, however. While Null indicates the absence of any value, the empty string ...

  6. 51 'Mr. Everymans' were found guilty of rape. How Gisele ...

    www.aol.com/news/51-mr-everymans-were-found...

    For months, protesters swarmed the courtroom in France, cheering Gisele Pelicot and the feminist motto her case sparked – 'shame must change sides.' 51 'Mr. Everymans' were found guilty of rape ...

  7. 'My So-Called Life' at 30: How a short-lived show became a ...

    www.aol.com/news/called-life-30-short-lived...

    In a standout episode of the series, “Self Esteem,” Angela skips geometry review to make out with Jordan in the school boiler room, but grows frustrated as he refuses to acknowledge their ...

  8. 9 Pizza Chains That Make Their Dough Fresh In-House - AOL

    www.aol.com/9-pizza-chains-dough-fresh-170000604...

    2 . Blaze Pizza. People love Blaze, and a big part of what makes its pizza top-tier is the dough and how it's made.The founders, Rick and Elise Wetzel previously ran Wetzel’s Pretzels, so they ...

  9. Select (SQL) - Wikipedia

    en.wikipedia.org/wiki/Select_(SQL)

    Previous Page: sort the data in the reverse order, select only the first {rows} rows, where the {unique_key} is less than {first_val} (the value of the {unique_key} of the first row in the current page), and sort the result in the correct order; Read and send to display all the rows read from the database