A、the minimum depth of the river prescribed in the channel maintenance program
B、the edge of a dredged channel
C、the highest level to which the river may rise without flooding
D、the least available water in a channel which limits the draft of boats and tows
更多“The controlling depth of the river is（）.”相关的问题
A、The DESCRIBE DEPT statement displays the structure of the DEPT table. B、The ROLLBACK statement frees the storage space occupies by the DEPT table. C、The DESCRIBE DEPT statement returns an error ORA-04043: object DEPT does not exist. D、The DESCRIBE DEPT statement displays the structure of the DEPT table only if there is a COMMIT statement introduced before the ROLLBACK statement.
A、The DESCRIBE DEPT statement displays the structure of the DEPT table. B、The ROLLBACK statement frees the storage space occupied by the DEPT table. C、The DESCRIBE DEPT statement returns an error ORA-04043: object DEPT does not exist. D、The DESCRIBE DEPT statement displays the structure of the DEPT table only if there is a COMMIT statement introduced before the ROLLBACK statement.
A、The DESCRIBE DEPT statement displays the structure of the DEPT table. B、The ROLLBACK statement frees the storage space occupied by the DEPT table. C、The DESCRIBE DEPT statement returns an error ORA-04043: object DEPT does not exist. D、The DESCRIBE DEPT statement displays the structure of the DEPT table only if there is a COMMIT statement introduced before the ROLLBACK statement.
A、The DESCRIBE DEPT statement displays the structure of the DEPT table. B、The ROLLBACK statement frees the storage space occupied by the DEPT table. C、The DESCRIBE DEPT statement returns an error ORA-04043: object DEPT does not exist. D、The DESCRIBE DEPT statement displays the structure of the DEPT table only if there is a COMMIT statement introduced before the ROLLBACK statement.
A、The DESCRIBE DEPT statement displays the structure of the DEPT table. B、The ROLLBACK statement frees the storage space occupies by the DEPT table. C、The DESCRIBE DEPT statement returns an error ORA-04043: object DEPT does not exist. D、The DESCRIBE DEPT statement displays the structure of the DEPT table only if there is a COMMIT statement introduced before the ROLLBACK statement.
A、A. The DESCRIBE DEPT statement displays the structure of the DEPT table. B、B. The ROLLBACK statement frees the storage space occupies by the DEPT table. C、C. The DESCRIBE DEPT statement returns an error ORA-04043: object DEPT does not exist. D、D. The DESCRIBE DEPT statement displays the structure of the DEPT table only if there is a COMMIT statement introduced before the ROLLBACK statement.
A、A.SELECT UNIQUE dept FROM staff B、B.SELECT DISTINCT dept FROM staff C、C.SELECT (dept) UNIQUE FROM staff D、D.SELECT (dept) DISTINCT FROM staff
A、Use the DESCRIBE command in the EMP_DEPT VU view. B、Use the DEFINE VIEW command on the EMP_DEPT VU view. C、Use the DESCRIBE VIEW command on the EMP_DEPT VU view. D、Query the USER_VIEWS data dictionary view to search for the EMP_DEPT_VU view. E、Query the USER_SOURCE data dictionary view to search for the EMP_DEPT_VU view. F、Query the USER_OBJECTS data dictionary view to search for the EMP_DEPT_VU view.
A、Use the DESCRIBE command in the EMP_DEPT VU view. B、Use the DEFINE VIEW command on the EMP_DEPT VU view. C、Use the DESCRIBE VIEW command on the EMP_DEPT VU view. D、Query the USER_VIEWS data dictionary view to search for the EMP_DEPT_VU view. E、Query the USER_SOURCE data dictionary view to search for the EMP_DEPT_VU view. F、Query the USER_OBJECTS data dictionary view to search for the EMP_DEPT_VU view.
A、Use the DESCRIBE command in the EMP_DEPT VU view. B、Use the DEFINE VIEW command on the EMP_DEPT VU view. C、Use the DESCRIBE VIEW command on the EMP_DEPT VU view. D、Query the USER_VIEWS data dictionary view to search for the EMP_DEPT_VU view. E、Query the USER_SOURCE data dictionary view to search for the EMP_DEPT_VU view. F、Query the USER_OBJECTS data dictionary view to search for the EMP_DEPT_VU view.
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