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Given the following table definitions: EMPLOYEE ID NAME DEPTID 01Smith 10 02Bossy 20 03 20 Peterson 04Goss 30 05Pape 40 06Avery 50 07O'Neal 60 08Carter 50 DEPARTMENT ID DEPTNAME 05 Hardware 10 Kitchen 20 Shoes 30 Toys 40 Electronics 50 Automotive and the following query: SELECT e.id, d.deptname FROM employee e, department d WHERE e.deptid = d.id AND e.id > 4 Which of the following queries will produce the same result set as the query above?（）
- A、SELECT e.id, d.deptname FROM employee e, department d WHERE e.id > 4
- B、SELECT e.id, d.deptname FROM employee e INNER JOIN department d ON e.deptid = d.id WHERE e.id > 4
- C、SELECT e.id, d.deptname FROM employee e FULL OUTER JOIN department d ON e.id = d.id WHERE e.id > 4
- D、SELECT e.id, d.deptname FROM employee e LEFT OUTER JOIN department d ON e.deptid = d.id WHERE e.id > 4 UNION ALL SELECT e.id, d.deptname FROM employee e RIGHT OUTER JOIN department d ON e.deptid = d.id WHERE e.id > 4
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更多 “ Given the following table definitions: EMPLOYEE ID NAME DEPTID 01Smith 10 02Bossy 20 03 20 Peterson 04Goss 30 05Pape 40 06Avery 50 07O'Neal 60 08Carter 50 DEPARTMENT ID DEPTNAME 05 Hardware 10 Kitchen 20 Shoes 30 Toys 40 Electronics 50 Automotive and the following query: SELECT e.id, d.deptname FROM employee e, department d WHERE e.deptid = d.id AND e.id 4 Which of the following queries will produce the same result set as the query above?（）A、SELECT e.id, d.deptname FROM employee e, department d WHERE e.id 4B、SELECT e.id, d.deptname FROM employee e INNER JOIN department d ON e.deptid = d.id WHERE e.id 4C、SELECT e.id, d.deptname FROM employee e FULL OUTER JOIN department d ON e.id = d.id WHERE e.id 4D、SELECT e.id, d.deptname FROM employee e LEFT OUTER JOIN department d ON e.deptid = d.id WHERE e.id 4 UNION ALL SELECT e.id, d.deptname FROM employee e RIGHT OUTER JOIN department d ON e.deptid = d.id WHERE e.id 4” 相关考题
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Which of the following scenarios will ensure that the value of the NEXT_STEPNO column in a given row of table TABLEX exists as a value of column STEPNO (usually in another row) in the same table?()
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Given the following requirements:Create a table named TESTTAB, which has an identity column named ACTIVITYNO. Define the identity column to generate the values for the column by default. Start the values at 10 and increment by 10. Make the identity column unique. Which of the following CREATE statements will successfully create this table?（）A.CREATE TABLE TESTTAB (ACTIVITYNO SMALLINT NOT NULL GENERATED ALWAYS AS IDENTITY (START WITH 10 INCREMENT BY 10), ACTKWD CHAR(6) NOT NULL, ACTDESC VARCHAR(20) NOT NULL, UNIQUE(ACTIVITYNO))B.CREATE TABLE TESTTAB (ACTIVITYNO SMALLINT NOT NULL GENERATED ALWAYS AS IDENTITY (START WITH 1 INCREMENT BY 10), ACTKWD CHAR(6) NOT NULL, ACTDESC VARCHAR(20) NOT NULL, UNIQUE(ACTNO))C.CREATE TABLE TESTTAB (ACTIVITYNO SMALLINT NOT NULL GENERATED BY DEFAULT AS IDENTITY (START WITH 10 INCREMENT BY 1), ACTKWD CHAR(6) NOT NULL, ACTDESC VARCHAR(20) NOT NULL, UNIQUE(ACTIVITYNO))D.CREATE TABLE TESTTAB (ACTIVITYNO SMALLINT NOT NULL GENERATED BY DEFAULT AS IDENTITY (START WITH 10 INCREMENT BY 10), ACTKWD CHAR(6) NOT NULL, ACTDESC VARCHAR(20) NOT NULL, UNIQUE(ACTIVITYNO))
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Given the following function: CREATE FUNCTION emplist （ ） RETURNS TABLE ( id CHAR(6) , firstname VARCHAR(12) , lastname VARCHAR(15) ) LANGUAGE SQL BEGIN ATOMIC RETURN SELECT EMPNO, FIRSTNME, LASTNAME FROM EMPLOYEE WHERE WORKDEPT IN ('A00', 'B00'); END How can this function be used in an SQL statement?A、SELECT TABLE(EMPLIST()) FROM EMPLOYEEB、SELECT TABLE(EMPLIST()) AS t FROM EMPLOYEEC、SELECT EMPLIST(id, firstname, lastname) FROM EMPLOYEED、SELECT id, firstname, lastname FROM TABLE(EMPLIST()) AS t
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You just issued the following statement: ALTER TABLE SALES DROP COLUMN PROFIT. Which of the following choices identifies when the column will actually be removed from Oracle?（）A、Immediately following statement execution B、After the ALTER TABLE DROP UNUSED COLUMNS command is issued C、After the ALTER TABLE SET UNUSED COLUMN command is issued D、After the ALTER TABLE MODIFY command is issued
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You issued the following command to drop the PRODUCTS table: SQL DROP TABLE products; What is the implication of this command?（）A、All data along with the table structure is deleted B、The pending transaction in the session is committed C、All indexes on the table will remain but they are invalidated D、All views and synonyms will remain but they are invalidated E、All data in the table are deleted but the table structure will remain
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You are working on an Oracle Database 10g database. For which purposes would you use the Flashback Transaction Query feature？ （）A、 To recover a dropped table.B、 To recover a dropped schema.C、 To recover data from a truncated table.D、 To view changes made by all the transactions during a given period of time.E、 To view changes made by a single transaction during a given period of time.
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Examine the following commands executed in your database： SQL ALTER SESSION RECYCLEBIN=ON； Session altered SQL CREATE TABLE emp TABLESPACE tbsfd AS SELECT * FROM hr.employees； Table created. Further， you executed the following command to drop the table： SQL DROP TABLE emp；Table dropped. What happens in this scenario？（）A、The table is moved to the SYSAUX tablespace.B、The table is moved to the SYSTEM tablespace.C、The table is removed from the database permanently.D、The table is renamed and remains in the TBSFD tablespace.
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User A executes the following command to drop a large table in your database：SQL DROP TABLE trans； While the drop table operation is in progress， user B executes the following command on the same table：SQL DELETE FROM trans WHERE tr_type=’SL’； Which statement is true regarding the DELETE command（）A、It fails to delete the records because the records are locked in SHARE mode.B、It deletes the rows successfully because the table is locked in SHARE modeC、It fails to delete the records because the table is locked in EXCLUSIVE mode.D、It deletes the rows successfully because the table is locked in SHARE ROW EXCLUSIVE mode.
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You have just performed a FLASHBACK TABLE operation using the following command： flashback table employees to scn 123456； The employees table has triggers associated with it. Which of the following statements is true regarding the state of the triggers during the Flashback Table operation？（） A、 All the triggers are disabled.B、 All the triggers are enabled by default.C、 Enabled triggers remain enabled and disabled triggers remain disabled.D、 Triggers are deleted when a Flashback Table operation is performed.
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单选题Given the following routing table entries， which of the following will the next-hop address be for a packet destined for the address 192.168.1.203？（）A
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单选题You have just performed a FLASHBACK TABLE operation using the following command： flashback table employees to scn 123456； The employees table has triggers associated with it. Which of the following statements is true regarding the state of the triggers during the Flashback Table operation？（）A
All the triggers are disabled.B
All the triggers are enabled by default.C
Enabled triggers remain enabled and disabled triggers remain disabled.D
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考题
单选题Given the following requirements:Create a table named TESTTAB, which has an identity column named ACTIVITYNO. Define the identity column to generate the values for the column by default. Start the values at 10 and increment by 10. Make the identity column unique. Which of the following CREATE statements will successfully create this table?（）A
CREATE TABLE TESTTAB (ACTIVITYNO SMALLINT NOT NULL GENERATED ALWAYS AS IDENTITY (START WITH 10 INCREMENT BY 10), ACTKWD CHAR(6) NOT NULL, ACTDESC VARCHAR(20) NOT NULL, UNIQUE(ACTIVITYNO))B
CREATE TABLE TESTTAB (ACTIVITYNO SMALLINT NOT NULL GENERATED ALWAYS AS IDENTITY (START WITH 1 INCREMENT BY 10), ACTKWD CHAR(6) NOT NULL, ACTDESC VARCHAR(20) NOT NULL, UNIQUE(ACTNO))C
CREATE TABLE TESTTAB (ACTIVITYNO SMALLINT NOT NULL GENERATED BY DEFAULT AS IDENTITY (START WITH 10 INCREMENT BY 1), ACTKWD CHAR(6) NOT NULL, ACTDESC VARCHAR(20) NOT NULL, UNIQUE(ACTIVITYNO))D
CREATE TABLE TESTTAB (ACTIVITYNO SMALLINT NOT NULL GENERATED BY DEFAULT AS IDENTITY (START WITH 10 INCREMENT BY 10), ACTKWD CHAR(6) NOT NULL, ACTDESC VARCHAR(20) NOT NULL, UNIQUE(ACTIVITYNO))
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多选题You issued the following command： SQL DROP TABLE MYTABLE； SQL SHOW RECYCLEBIN The following output is returned： ORIGINAL NAME RECYCLEBIN NAME OBJECT TYPE DROP TIME ------------- ------------------------------ --------------- -------------------- MYTABLE BIN$04LhcpndanfgMAAAAAANPw==$0 TABLE 2005-01-13：20：11：31 You want to drop the table， MYTABLE， from the Recycle Bin. Which two commands can you issue to accomplish the desired task？（）ADROP TABLE MYTABLE PURGE；BPURGE RECYCLEBIN；CPURGE TABLE MYTABLE；DPURGE TABLE BIN$04LhcpndanfgMAAAAAANPw==$0；
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单选题User A executes the following command to drop a large table in your database：SQL DROP TABLE trans； While the drop table operation is in progress， user B executes the following command on the same table：SQL DELETE FROM trans WHERE tr_type=’SL’； Which statement is true regarding the DELETE command（）A
It fails to delete the records because the records are locked in SHARE mode.B
It deletes the rows successfully because the table is locked in SHARE modeC
It fails to delete the records because the table is locked in EXCLUSIVE mode.D
It deletes the rows successfully because the table is locked in SHARE ROW EXCLUSIVE mode.
考题
多选题You issued the following command to drop the PRODUCTS table: SQL DROP TABLE products; What is the implication of this command?（）AAll data along with the table structure is deletedBThe pending transaction in the session is committedCAll indexes on the table will remain but they are invalidatedDAll views and synonyms will remain but they are invalidatedEAll data in the table are deleted but the table structure will remain
考题
单选题Examine the following commands executed in your database： SQL ALTER SESSION RECYCLEBIN=ON； Session altered SQL CREATE TABLE emp TABLESPACE tbsfd AS SELECT * FROM hr.employees； Table created. Further， you executed the following command to drop the table： SQL DROP TABLE emp；Table dropped. What happens in this scenario？（）A
The table is moved to the SYSAUX tablespace.B
The table is moved to the SYSTEM tablespace.C
The table is removed from the database permanently.D
The table is renamed and remains in the TBSFD tablespace.
考题
问答题You are required to write an email of no fewer than 80 words to your manager, according to the following information given in Chinese. You should include all the points listed in the following table. Now write the message on the Answer Sheet.
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单选题You are trying to alter the initial segment size given to a table in a dictionary-managed tablespace. Which of the following keywords would be used as part of this process?（）A
DROP TABLE B
ALTER TABLE C
RESIZE D
COALESCE
考题
单选题Which of the following scenarios will ensure that the value of the NEXT_STEPNO column in a given row of table TABLEX exists as a value of column STEPNO (usually in another row) in the same table?（）A
Define a UNIQUE constraint on the columns NEXT_STEPNO and STEPNO.B
Define a CHECK constraint on the NEXT_STEPNO column (NEXT_STEPNO = STEPNO).C
Define column STEPNO as the primary key of TABLEX and column NEXT_STEPNO as a foreign key referencing column STEPNO of the same table.D
Define column NEXT_STEPNO as the primary key of TABLEX and column STEPNO as a foreign key referencing column NEXT_STEPNO in the same table.
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