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SQL

يحدد هذا الاختبار مستوى معرفتك بـ SQL

زودنا بعلوماتك

1. Which one of the following is used to extract data from a database?

2. Which of the following is a Data Definition Language (DDL)?

3. Which one of the following is used to count the number of rows in a SQL query?

4. With MySQL, how do you select all records from a database?

5. What does the following code snippet do?

ALTER TABLE STUDENT ADD(ADDRESS VARCHAR2(20));

6. ?What does SQL stand for

7. Database management system (DBMS) is _____.

8. Which of the following commands is used to delete all rows and free up space from a table?

9. What command is used to create a new table in SQL?

10. What does the following statement in SQL do?

DROP TABLE student;

11. Which of the following is used to update data (row) in a database?

12. Which of the following commands are a part of Data Control Language?

13. What does DML stand for?

14. The table columns in a database are also called:

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