 | Reviewing It |
| 1: | What is Oracle's main character-mode interface? |
| 2: | What is the syntax of the CHANGE command to change text in the SQL buffer? |
| 3: | The DESCRIBE command is useful for what? |
| 4: | What will the command SELECT * FROM EMP do? |
| 5: | In the table EMP, give the ORDER BY clause that will return the rows in the order of DEPTNO ascending and within DEPTNO, SAL descending. |
| 6: | What is the difference between a NULL and a 0 field? |
| 7: | When using substitution characters (say in an INSERT statement), what is the difference between & and &&? |
| 8: | What is the difference between the DELETE command and the TRUNCATE command? |
| 9: | Tablespaces are used for what? |
| 10: | Show the syntax ... |
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