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SQL

يحدد هذا الاختبار مستوى معرفتك بـ SQL

زودنا بعلوماتك

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

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

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

4. What does DML stand for?

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

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

7. What does the following statement in SQL do?

DROP TABLE student;

8. ?What does SQL stand for

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

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

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

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

13. Database management system (DBMS) is _____.

14. What does the following code snippet do?

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

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