Database Operations and SQL Statements

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Questions and Answers

Which statement allows the combination of Insert and Update in one statement?

  • CREATE TABLE
  • SELECT
  • MERGE (correct)
  • UPDATE

In SQL, which clause is used to indicate the conditions under which a row will be included in the result?

  • GROUP BY
  • ORDER BY
  • FROM
  • WHERE (correct)

Which type of SQL statement is used for queries on single or multiple tables?

  • CREATE TABLE
  • INSERT
  • SELECT (correct)
  • UPDATE

Which SQL clause indicates categorization of results?

<p>GROUP BY (D)</p> Signup and view all the answers

In SQL, which type of statement is used to manipulate the database by selecting data?

<p>DML (B)</p> Signup and view all the answers

In SQL, what does the HAVING clause do?

<p>It operates on groups (categories) based on specified conditions (A)</p> Signup and view all the answers

What is a scalar aggregate in the context of SQL?

<p>A single value returned from an SQL query with aggregate function (A)</p> Signup and view all the answers

What does the LIKE operator in SQL allow you to do?

<p>Compare strings using wildcards (D)</p> Signup and view all the answers

When using the GROUP BY clause in SQL, what do you include in the SELECT clause?

<p>Single-value fields with aggregate functions (C)</p> Signup and view all the answers

What does an alias represent in SQL?

<p>An alternative column or table name (C)</p> Signup and view all the answers

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