COMPUTER SCIENCE AND ENGINEERING
SQL
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Select all columns
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Select all rows
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Select all genres
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Select jaskfjfjfjsfjiosjisjfjsfjsfjkjsk
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Detailed explanation-1: -The asterisk (*) has a special meaning in SELECT statements. It stands for all the column names in all the tables specified in the FROM clause. You can use it to save typing time and errors when you want to see all the columns in a table.
Detailed explanation-2: -An asterisk (” * “) can be used to specify that the query should return all columns of the queried tables. SELECT is the most complex statement in SQL, with optional keywords and clauses that include: The FROM clause, which indicates the table(s) to retrieve data from.
Detailed explanation-3: -The asterisk symbol (*) The following query uses the wildcard asterisk symbol (*) as shorthand in the projection list to represent the names of all the columns in the table. You can use the asterisk symbol (*) when you want all the columns in their defined order.
Detailed explanation-4: -The SELECT statement is used to select data from a database. The data returned is stored in a result table, called the result-set.