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The statement: "search austin.ibm.com raleigh.ibm.com" belongs in which of the following files?()
- A、/etc/hosts
- B、/etc/irs.hosts
- C、/etc/resolv.conf
- D、/etc/netsvc.conf
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更多 “The statement: "search austin.ibm.com raleigh.ibm.com" belongs in which of the following files?()A、/etc/hostsB、/etc/irs.hostsC、/etc/resolv.confD、/etc/netsvc.conf” 相关考题
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● The contractual statement of work (CSOW)A Must be the same as the proposal statement of workB Does not identify reporting requirementsC Can be at a different level of detail (i.e. WBS level) than the proposal statement of workD Identifies the contractor's organizational structure for the projectE All of the above
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听力原文:Each month the cardholder receives a statement from the bank, which lists the details of all the transactions in the month, together with the total amount outstanding.(4)A.Each month the cardholder receives a statement and the amount of all the transactions.B.Each month the bank gives the cardholder a statement showing the total amount outstanding.C.Each month the bank gives the cardholder a statement showing the compound interest.D.Each month the bank gives the cardholder a statement showing any minimum amount that needs to be paid.
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Evaluate this SQL statement:In the statement, which capabilities of a SELECT statement are performed?()
A. Selection, projection, joinB. Difference, projection, joinC. Selection, intersection, joinD. Intersection, projection, joinE. Difference, projection, product
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Exhibit:Examine the data in the EMPLOYEES table.Examine the subquery:SELECT last_nameFROM employeesWHERE salary IN (SELECT MAX(salary)FROM employeesGROUP BY department_id);Which statement is true?()
A. The SELECT statement is syntactically accurate.B. The SELECT statement does not work because there is no HAVING clause.C. The SELECT statement does not work because the column specified in the GROUP BY clause is not in the SELECT list.D. The SELECT statement does not work because the GROUP BY clause should be in the main query and not in the subquery.
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Examine the description of the MARKS table:SUBJ1 and SUBJ2 indicate the marks obtained by a student in two subjects.Examine this SELECT statement based on the MARKS table:What is the result of the SELECT statement?()A. The statement executes successfully and returns the student ID and sum of all marks for each student who obtained more than the average mark in each subject.B. The statement returns an error at the SELECT clause.C. The statement returns an error at the WHERE clause.D. The statement returns an error at the ORDER BY clause.
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Examine the structure of the EMPLOYEES and DEPARTMENTS tables:Evaluate this SQL statement:Which SQL statement is equivalent to the above SQL statement?()
A.B.C.D.
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Evaluate the set of SQL statements:What is true about the set?()
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.
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Evaluate the SQL statement:What is the result of the statement?()
A. The statement produces an error at line 1.B. The statement produces an error at line 3.C. The statement produces an error at line 6.D. The statement returns the employee name, salary, department ID, and maximum salary earned in the department of the employee for all departments that pay less salary then the maximum salary paid in the company.E. The statement returns the employee name, salary, department ID, and maximum salary earned in the department of the employee for all employees who earn less than the maximum salary in their department.
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What is a sub-select statement?A.a select statement that selects a subset of fields in a tableB.a select statement that returns a subset of the data in a tableC.a select statement that appears within another select statementD.a select statement that returns a subset of the constraints on a field
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A seaman dies during a voyage. What is NOT required to be entered into the Official Log?A.Statement that the Master has taken custody of the deceased's MMD and passportB.An inventory of the money and propertyC.Statement of the wages dueD.Statement as to the total deductions to be made from the wages
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关于PreparedStatement与Statement描述错误的是()。A、一般而言,PreparedStatement比Statement执行效率更高B、PreparedStatement会预编译SQL语句C、Statement每次都会解析/编译SQL,确立并优化数据获取路径D、Statement执行扫描的结果集比PreparedStatement大
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Evaluate the set of SQL statements: CREATE TABLE dept (deptno NUMBER(2), dname VARCHAR2(14), loc VARCHAR2(13)); ROLLBACK; DESCRIBE DEPT What is true about the set?()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.
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cn是Connection对象,创建Statement对象的方法是()。A、Statement st=new Statement()B、Statement st=cn.newStatement()C、Statement st=cn.createNewStatement()D、Statement st=cn.createStatement()
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Which two statements are true about terms in a routing policy?()A、A then statement is mandatory in a termB、If a term does not contain a from statement, all routers matchC、If a term does not contain a from statement, the Junos OS will not commitD、A then statement is not mandatory in a term
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Which three are true?()A、A MERGE statement is used to merge the data of one table with data from another.B、A MERGE statement replaces the data of one table with that of another.C、A MERGE statement can be used to insert new rows into a table.D、A MERGE statement can be used to update existing rows in a table.
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The Database Resource Manager is not currently active in your database that is up and running. You created a resource plan named DAY_PLAN that contains two sub-plans named MANAGERS_PLAN and CLERKS_PLAN. You decided to activate DAY_PLAN by executing the following statement: SQLALTER SYSTEM SET RESOURCE_MANAGER_PLAN = ’managers_plan’; What will be the outcome of this statement?() A、 The statement will deactivate DAY_PLAN.B、 The statement will activate DAY_PLAN as the top plan.C、 The statement will activate MANAGERS_PLAN as the top plan.D、 The statement will return an error because MANAGERS_PLAN is not the top plan.
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Where can subqueries be used?()A、field names in the SELECT statement B、the FROM clause in the SELECT statement C、the HAVING clause in the SELECT statementD、the GROUP BY clause in the SELECT statement E、the WHERE clause in only the SELECT statement F、the WHERE clause in SELECT as well as all DML statements
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单选题Your Oracle10g database contains a table with a TIMESTAMP TO LOCAL TIME ZONE column. There are about two hundred column values for the column. You issued the following statement: SQL ALTER DATABASE SET TIME_ZONE =’Europe/London’; What will be the result of issuing the above statement?()A
The statement will be executed successfully, and a new time zone will be set for the database.B
The statement will be executed successfully, but a new time zone will not be set for the database.C
The statement will not be executed successfully because the SET TIME_ZONE clause can be used only with the ALTER SESSION statement.D
The statement will not be executed successfully because the ALTER DATABASE SET TIME_ZONE statement is used only when the database contains no table with the TIMESTAMP TO LOCAL TIME ZONE column.
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单选题View the Exhibit and examine the structure of the ORDERS and ORDERJTEMS tables. Evaluate the following SQL statement: SELECT oi.order_id, product_jd, order_date FROM order_items oi JOIN orders o USING (order_id); Which statement is true regarding the execution of this SQL statement?()A
The statement would not execute because table aliases are not allowed in the JOIN clause.B
The statement would not execute because the table alias prefix is not used in the USING clause.C
The statement would not execute because all the columns in the SELECT clause are not prefixed with table aliases.D
The statement would not execute because the column part of the USING clause cannot have a qualifier in the SELECT list.
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多选题When does a transaction complete?()Awhen a DELETE statement is executedBwhen a ROLLBACK command is executedCwhen a PL/SQL anonymous block is executedDwhen a data definition language (DDL) statement is executedEwhen a TRUNCATE statement is executed after the pending transact ion
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多选题Which two statements are true about terms in a routing policy?()AA then statement is mandatory in a termBIf a term does not contain a from statement, all routers matchCIf a term does not contain a from statement, the Junos OS will not commitDA then statement is not mandatory in a term
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多选题Which three are true?()AA MERGE statement is used to merge the data of one table with data from another.BA MERGE statement replaces the data of one table with that of another.CA MERGE statement can be used to insert new rows into a table.DA MERGE statement can be used to update existing rows in a table.
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单选题CREATE TABLE dept (deptno NUMBER(2), dname VARCNAR2(14), 1oc VARCNAR2 (13)); ROLLBACK; DESCRIBE DEPT What is true about the set? ()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.
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单选题You issue this statement:ALTER DATABASE BACKUP CONTROLFILE TO TRACE; What does the statement generate?()A
A text copy of the control file.B
A binary copy of the control file.C
A file containing a SQL statement which will re-create the database.D
A file containing a SQL statement which will re-create the control file.
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单选题Evaluate the set of SQL statements: CREATE TABLE dept (deptno NUMBER(2), dname VARCNAR2(14), 1oc VARCNAR2 (13)); ROLLBACK; DESCRIBE DEPT What is true about the set?()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.
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