Table of Contents
- 1 Is select a DML statement?
- 2 Which category of SQL statements is used to add remove and modify database structures?
- 3 Are written especially for modifying views which Cannot be directly modified through SQL DML statements?
- 4 What are DML statements in SQL?
- 5 Which command should you use to remove a table from a database?
- 6 What is insert statement?
- 7 What are database statements?
- 8 What are the SQL statements are used to retrieve and modify the database?
Is select a DML statement?
Data Manipulation Language (DML) Statements The SELECT statement is a limited form of DML statement in that it can only access data in the database. It cannot manipulate data in the database, although it can operate on the accessed data before returning the results of the query.
Which category of SQL statements is used to add remove and modify database structures?
DDL statements
DDL statements are used to build and modify the structure of your tables and other objects in the database.
Are written especially for modifying views which Cannot be directly modified through SQL DML statements?
Answer: The INSTEAD OF triggers are the triggers written especially for modifying views, which cannot be directly modified through SQL DML statements.
What SQL statements are there besides select?
Types of SQL Statements
- Data Definition Language (DDL) Statements.
- Data Manipulation Language (DML) Statements.
- Transaction Control Statements.
- Session Control Statements.
- System Control Statement.
- Embedded SQL Statements.
Why is SELECT a DML but not DDL?
Data manipulation language (DML) statements query or manipulate data in existing schema objects. Whereas DDL statements enable you to change the structure of the database, DML statements enable you to query or change the contents. In the strictest sense a SELECT can do more than just query data.
What are DML statements in SQL?
DML (Data Manipulation Language) statements are the element in the SQL language that is used for data retrieval and manipulation. Using these statements you can perform operations such as: adding new rows, updating and deleting existing rows, merging tables and so on.
Which command should you use to remove a table from a database?
We use the SQL DROP Table command to drop a table from the database. It completely removes the table structure and associated indexes, statistics, permissions, triggers and constraints.
What is insert statement?
The INSERT INTO statement is used to insert new records in a table.
Which SQL statement is used to update data in a database?
The UPDATE statement in SQL is used to update the data of an existing table in database. We can update single columns as well as multiple columns using UPDATE statement as per our requirement.
Which SQL statement is used to extract data from a database?
SELECT statement is used to extract the information from a database.
What are database statements?
A statement is any text that the database engine recognizes as a valid command. As of SQL-92 : An SQL-statement is a string of characters that conforms to the format and syntax rules specified in this international standard. A query is a statement that returns a recordset (possibly empty).
What are the SQL statements are used to retrieve and modify the database?
The commands are CREATE, ALTER, DROP, RENAME, and TRUNCATE. Data Manipulation Language (DML) – These SQL commands are used for storing, retrieving, modifying, and deleting data. These Data Manipulation Language commands are: SELECT, INSERT, UPDATE, and DELETE.