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Data manipulation language - MySQL - Quiz

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Which DML statement is used to insert new rows into a table in MySQL?

  • A INSERT INTO
  • B UPDATE TABLE
  • C ADD ROW
  • D MODIFY ROW

Which of the following DML statements is used to perform calculations on data in MySQL?

  • A CALCULATE
  • B COMPUTE
  • C AGGREGATE
  • D SELECT

Which DML statement is used to limit the number of rows returned by a query in MySQL?

  • A TOP
  • B LIMIT
  • C ROW LIMIT
  • D SELECT TOP

Which DML statement is used to perform conditional data retrieval in MySQL?

  • A SELECT
  • B FILTER
  • C CONDITION
  • D WHERE

Which DML statement is used to insert data into a table by selecting values from another table in MySQL?

  • A INSERT INTO SELECT
  • B SELECT INTO
  • C INSERT SELECT
  • D INSERT FROM

Which DML statement is used to perform string concatenation in MySQL?

  • A CONCAT
  • B MERGE
  • C CONCATENATE
  • D JOIN

Which DML statement is used to perform case-sensitive pattern matching in MySQL?

  • A LIKE
  • B MATCH
  • C COMPARE
  • D CASE

Which DML statement is used to update rows in a table based on values from another table in MySQL?

  • A UPDATE SET
  • B UPDATE JOIN
  • C UPDATE FROM
  • D UPDATE BY

Which DML statement is used to delete specific rows from a table based on a condition in MySQL?

  • A DELETE
  • B REMOVE
  • C ERASE
  • D ELIMINATE

Which DML statement is used to update a column with a NULL value in MySQL?

  • A UPDATE NULL
  • B SET NULL
  • C MODIFY NULL
  • D NULLIFY
Results:
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Data manipulation language - MySQL - Quiz

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Q: Which DML statement is used to insert new rows into a table in MySQL?

  • A. INSERT INTO
  • B. UPDATE TABLE
  • C. ADD ROW
  • D. MODIFY ROW
Correct Option: A
Remarks:

Explanation:

The INSERT INTO statement in MySQL is used to insert new rows into a table. It allows you to specify the table name and the values to be inserted into the respective columns.

Q: Which of the following DML statements is used to perform calculations on data in MySQL?

  • A. CALCULATE
  • B. COMPUTE
  • C. AGGREGATE
  • D. SELECT
Correct Option: C
Remarks:

Explanation:

The AGGREGATE statement in MySQL is used to perform calculations on data, such as computing sums, averages, counts, and other aggregate functions.

Q: Which DML statement is used to limit the number of rows returned by a query in MySQL?

  • A. TOP
  • B. LIMIT
  • C. ROW LIMIT
  • D. SELECT TOP
Correct Option: B
Remarks:

Explanation:

The LIMIT statement in MySQL is used to limit the number of rows returned by a query. It allows you to specify the maximum number of rows to be retrieved.

Q: Which DML statement is used to perform conditional data retrieval in MySQL?

  • A. SELECT
  • B. FILTER
  • C. CONDITION
  • D. WHERE
Correct Option: D
Remarks:

Explanation:

The WHERE statement in MySQL is used to specify conditions for data retrieval. It allows you to filter rows based on specified criteria.

Q: Which DML statement is used to insert data into a table by selecting values from another table in MySQL?

  • A. INSERT INTO SELECT
  • B. SELECT INTO
  • C. INSERT SELECT
  • D. INSERT FROM
Correct Option: C
Remarks:

Explanation:

The INSERT SELECT statement in MySQL is used to insert data into a table by selecting values from another table. It allows you to combine data from different tables during insertion.

Q: Which DML statement is used to perform string concatenation in MySQL?

  • A. CONCAT
  • B. MERGE
  • C. CONCATENATE
  • D. JOIN
Correct Option: A
Remarks:

Explanation:

The CONCAT statement in MySQL is used to perform string concatenation. It allows you to combine multiple strings or column values into a single string.

Q: Which DML statement is used to perform case-sensitive pattern matching in MySQL?

  • A. LIKE
  • B. MATCH
  • C. COMPARE
  • D. CASE
Correct Option: A
Remarks:

Explanation:

The LIKE statement in MySQL is used to perform case-sensitive pattern matching. It allows you to search for patterns within strings with optional wildcard characters.

Q: Which DML statement is used to update rows in a table based on values from another table in MySQL?

  • A. UPDATE SET
  • B. UPDATE JOIN
  • C. UPDATE FROM
  • D. UPDATE BY
Correct Option: B
Remarks:

Explanation:

The UPDATE JOIN statement in MySQL is used to update rows in a table based on values from another table. It allows you to establish a join between the tables to match and update corresponding rows.

Q: Which DML statement is used to delete specific rows from a table based on a condition in MySQL?

  • A. DELETE
  • B. REMOVE
  • C. ERASE
  • D. ELIMINATE
Correct Option: A
Remarks:

Explanation:

The DELETE statement in MySQL is used to delete specific rows from a table based on a condition. It allows you to selectively remove rows that meet the specified criteria.

Q: Which DML statement is used to update a column with a NULL value in MySQL?

  • A. UPDATE NULL
  • B. SET NULL
  • C. MODIFY NULL
  • D. NULLIFY
Correct Option: B
Remarks:

Explanation:

The SET NULL statement in MySQL is used to update a column with a NULL value. It allows you to set a column's value to NULL, indicating the absence of a value.

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