How do you count the number of rows in a table in SQL?
What is a database view?
The SQL aggregate function used to calculate the average of a column.
How do you retrieve only unique values from a column in SQL?
6. The SQL keyword used to retrieve distinct values from a column is .
The ORDER BY clause is used to the result set in ascending or descending order.
7. The SQL keyword used to filter rows based on a specific condition is .
Derived fields can be renamed using the SQL keyword in the SELECT statement.
Database
What is the syntax for creating a derived field in SQL?
A SQL is used to retrieve data from a database.
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What does the SELECT statement in view creation specify?
When constructing SQL queries dynamically, it's important to always sanitize and validate to prevent SQL injection attacks. Use parameterized queries or prepared statements to bind the user input to the query.
In SQL, statements (e.g., IF, CASE) are used to perform different actions based on different conditions.
The purpose of a view is to provide a representation of data stored in tables.
What does the COUNT function in SQL do?
Parameterized query
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What are the potential consequences of SQL injection?