LFCS · Question #550
Which of the following words is used to restrict the records that are returned from a SELECT query based on supplied criteria for the values in the records?
The correct answer is C. WHERE. In SQL, the WHERE clause is used to filter rows from a SELECT statement based on specified conditions.
Question
Options
- ALIMIT
- BFROM
- CWHERE
- DIF
How the community answered
(28 responses)- A4% (1)
- C93% (26)
- D4% (1)
Why each option
In SQL, the `WHERE` clause is used to filter rows from a `SELECT` statement based on specified conditions.
The `LIMIT` clause restricts the number of rows returned, not based on criteria for values but by an absolute count.
The `FROM` clause specifies the table or tables from which to retrieve data, not for filtering records based on values.
The `WHERE` clause is a fundamental part of the SQL `SELECT` statement, allowing users to specify criteria that individual rows must satisfy to be included in the result set. This provides precise control over which records are retrieved from the database.
`IF` is a conditional statement often used in programming languages or within SQL functions/stored procedures, but it is not a standard clause for filtering `SELECT` query results directly.
Concept tested: SQL `SELECT` query filtering
Source: https://learn.microsoft.com/en-us/sql/t-sql/queries/select-from-where-transact-sql?view=sql-server-ver16
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