Which of the following is a valid data type in SQL?a) textb) numberc) varchar(n)d) array
Question
Which of the following is a valid data type in SQL?a) textb) numberc) varchar(n)d) array
Solution
The valid data types in SQL from the options provided are:
a) text b) number - This is not a valid data type in SQL. The correct numeric data types would be INT, SMALLINT, BIGINT, DECIMAL, NUMERIC, FLOAT, REAL, etc. c) varchar(n) d) array - This is not a standard SQL data type. However, some SQL-based systems like PostgreSQL support this data type.
So, the valid data types in SQL from the given options are text and varchar(n).
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