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NULL-values
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Content language: English
Русский
Given the Persons table: +-----+--------------+-------+ | Id | Fir...
NULL-values
Given Clients table +------+--------------+----------+ | ID | Name...
NULL-values
Given an empty table that was created using the query: CR...
NULL-values
What data will the following query return: SELECT DI...
NULL-values
Given table: CREATE TABLE employee (id integer NOT NULL, department_i...
NULL-values
Given Products table +--------+-----------+ | ID | ...
NULL-values
Pick all INSERT statements that will work correctly for the following table: ...
NULL-values
Is CAST function used in SQL-expressions that use UNION?...
NULL-values
COUNT() Function
NULL-values
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