What is information schema in sql?
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How do I write a sql query in pgadmin 4?
What is row_number () in sql?
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how would you write a query to select all teams that won either 2, 4, 6 or 8 games? : Sql dba
type type_name is table of varchar2(30) index by binary_integer for the above type you have to create a identifier... like identifier_name type_name; for the above type you can use the below methods..like first , last , prior, next , delege..etc...like this.. if you create a cursor...like cursor cursor_name is select * from scott.emp; is there any methods like above to use prior, fist , last , next , trim ,etc...
Explain the rollback statement?
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explain what is mysql? : Sql dba
Which nosql database is best?