Examine the structure of the EMPLOYEES and NEW_EMPLOYEES tables: Which UPDATE statement is valid?()
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Examine the structure of the EMPLOYEES and NEW_EMPLOYEES tables: Which UPDATE statement is valid?()
1、Examine the structure of the EMPLOYEE
Examine the structure of the EMPLOYEES and DEPARTMENTS tables: EMPLOYEESColumn name Data type RemarksEMPLOYEE_ID NUMBER NOT NULL, Primary KeyEMP_NA...
2、Examine the structure of the EMPLOYEE
Examine the structure of the EMPLOYEES table:EMPLOYEE_ID NUMBER Primary KeyFIRST_NAME VARCHAR2(25)LAST_NAME VARCHAR2(25)Which three statements insert ...
3、Examine the structure of the EMPLOYEE
Examine the structure of the EMPLOYEES table:EMPLOYEE_ID NUMBER Primary KeyFIRST_NAME VARCHAR2(25)LAST_NAME VARCHAR2(25)HIRE_DATE DATEWhich UPDATE stat...
4、Examine the structure of the EMPLOYEE
Examine the structure of the EMPLOYEES table:You need to create an index called NAME_IDX on the first name and last name fields of the EMPLOY...
5、Examine the structure of the EMPLOYEE
Examine the structure of the EMPLOYEES table:EMPLOYEE_ID NUMBER NOT NULLEMP_NAME VARCHAR2(30)JOB_ID VARCHAR2(20) DEFAULT 'SA_REP'SAL NUMBERCOMM...
6、Examine the structure of the EMPLOYEE
Examine the structure of the EMPLOYEES table:EMPLOYEE_ID NUMBER Primary KeyFIRST_NAME VARCHAR2(25)LAST_NAME VARCHAR2(25)Which three statements inserts...