单选题Which is an example of a dynamic SELECT statement? ()AA query whose object names change during its execution. BA query whose object names are not known until run time. CA query whose bind variables values change during execution. DA query whose bind variable values are not known until run time.

单选题
Which is an example of a dynamic SELECT statement? ()
A

A query whose object names change during its execution. 

B

A query whose object names are not known until run time. 

C

A query whose bind variables values change during execution. 

D

A query whose bind variable values are not known until run time.


参考解析

解析: 暂无解析

相关考题:

Which routing select algorithm is described below ? According to a kind of fix regulation, the select algorithm of route works and has nothing to do with the network information newly.A.Static Routing AlgorithmB.Dynamic Routing AlgorithmC.Centralized Routing AlgorithmD.Distributed Routing Algorithm

Tautology refers to a statement in which you unnecessarily say the same thing twice using different words, for example, “He sat alone by himself”.()

The user Alice wants to grant all users query privileges on her DEPT table. Which SQL statement accomplishes this? () A. GRANT select ON dept TO ALL_ USER;B. GRANT select ON dept TO ALL;C. GRANT QUERY ON dept TO ALL_USERSD. GRANT select ON dept TO PUBLIC;

In which four clauses can a subquery be used? () A. in the INTO clause of an INSERT statementB. in the FROM clause of a SELECT statementC. in the GROUP BY clause of a SELECT statementD. in the WHERE clause of a SELECT statementE. in the SET clause of an UPDATE statementF. in the VALUES clause of an INSERT statement

The user Sue issues this SQL statement:GRANT SELECT ON sue. EMP TO alice WITH GRANT OPTION; The user Alice issues this SQL statement:GRANT SELECT ON sue. EMP TO reena WITH GRANT OPTION; The user Reena issues this SQL statement:GRANT SELECT ON sue. EMP TO timber;The user Sue issues this SQL statement:REVOKE select on sue. EMP FROM alice;For which users does the revoke command revoke SELECT privileges on the SUE.EMP table?()A. Alice onlyB. Alice and ReenaC. Alice, Reena, and TimberD. Sue, Alice, Reena, and Timber

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

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.

Evaluate this SQL statement:SELECT e.EMPLOYEE_ID,e.LAST_NAME,e.DEPARTMENT_ID, d.DEPARTMENT_NAMEFROM EMPLOYEES e, DEPARTMENTS dWHERE e.DEPARTMENT_ID = d.DEPARTMENT_ID;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

Click the Exhibit button and 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.

Which three statements about dynamic filtering are true? () A. Dynamic filtering creates a query statement.B. Dynamic filtering has an option to save query.C. Dynamic filtering can select any log field to filter.D. Dynamic filtering permanently removes other log entries.E. Dynamic filtering redraws the log when you select a variable link.

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

In which four clauses can a subquery be used?()A、in the INTO clause of an INSERT statementB、in the FROM clause of a SELECT statementC、in the GROUP BY clause of a SELECT statementD、in the WHERE clause of a SELECT statementE、in the SET clause of an UPDATE statementF、in the VALUES clause of an INSERT statement

Which statement describes an advantage of dynamic routing?()A、Dynamic routing is typically more scalable when compared to static routing.B、Unlike static routing, dynamic routing requires no initial user configuration.C、Unlike static routing, dynamic routing provides redundant IP addresses for end-user devices.D、Dynamic routing provides DNS services along with IP connectivity, whereas static routing does not.

Which SQL statement returns a numeric value?()A、SELECT ADD_MONTHS(MAX(hire_Date), 6) FROM EMP;B、SELECT ROUND(hire_date) FROM EMP;C、SELECT sysdate-hire_date FROM EMP;D、SELECT TO_NUMBER(hire_date + 7) FROM EMP;

Which two statements about views are true? ()A、A view can be created as read only.B、A view can be created as a join on two or more tables.C、A view cannot have an ORDER BY clause in the SELECT statement.D、A view cannot be created with a GROUP BY clause in the SELECT statement.E、A view must have aliases defined for the column names in the SELECT statement.

Which three statements about dynamic filtering are true? ()A、Dynamic filtering creates a query statement.B、Dynamic filtering has an option to save query.C、Dynamic filtering can select any log field to filter.D、Dynamic filtering permanently removes other log entries.E、Dynamic filtering redraws the log when you select a variable link.

Which two statements are true regarding the ORDER BY clause? ()A、It is executed first in the query execution B、It must be the last clause in the SELECT statement C、It cannot be used in a SELECT statement containing a HAVING clauseD、You cannot specify a column name followed by an expression in this clause E、You can specify a combination of numeric positions and column names in this clause

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

Which is an example of a dynamic SELECT statement? ()A、A query whose object names change during its execution. B、A query whose object names are not known until run time. C、A query whose bind variables values change during execution. D、A query whose bind variable values are not known until run time.

单选题Evaluate this SQL statement: SELECT e.EMPLOYEE_ID,e.LAST_NAME,e.DEPARTMENT_ID, d.DEPARTMENT_NAME FROM EMP e, DEPARTMENT d WHERE e.DEPARTMENT_ID = d.DEPARTMENT_ID; In the statement, which capabilities of a SELECT statement are performed?()ASelection, projection, joinBDifference, projection, joinCSelection, intersection, joinDIntersection, projection, joinEDifference, projection, product

单选题The user Sue issues this SQL statement: GRANT SELECT ON sue. EMP TO alice WITH GRANT OPTION; The user Alice issues this SQL statement: GRANT SELECT ON sue. EMP TO reena WITH GRANT OPTION; The user Reena issues this SQL statement: GRANT SELECT ON sue. EMP TO timber; The user Sue issues this SQL statement: REVOKE select on sue. EMP FROM alice; For which users does the revoke command revoke SELECT privileges on the SUE.EMP table?()AAlice onlyBAlice and ReenaCAlice, Reena, and TimberDSue, Alice, Reena, and Timber

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.

单选题Evaluate this SQL statement: SELECT e.EMPLOYEE_ID,e.LAST_NAME,e.DEPARTMENT_ID, d.DEPARTMENT_NAME FROM EMP e, DEPARTMENT d WHERE e.DEPARTMENT_ID = d.DEPARTMENT_ID; In the statement, which capabilities of a SELECT statement are performed?()ASelection, projection, joinBDifference, projection, joinCSelection, intersection, joinDIntersection, projection, joinEDifference, projection, product

多选题Which two statements about views are true?()AA view can be created as read only.BA view can be created as a join on two or more tables.CA view cannot have an ORDER BY clause in the SELECT statement.DA view cannot be created with a GROUP BY clause in the SELECT statement.EA view must have aliases defined for the column names in the SELECT statement.

多选题In which four clauses can a subquery be used? ()Ain the INTO clause of an INSERT statementBin the FROM clause of a SELECT statementCin the GROUP BY clause of a SELECT statementDin the WHERE clause of a SELECT statementEin the SET clause of an UPDATE statementFin the VALUES clause of an INSERT statement

多选题Which three statements about dynamic filtering are true? ()ADynamic filtering creates a query statement.BDynamic filtering has an option to save query.CDynamic filtering can select any log field to filter.DDynamic filtering permanently removes other log entries.EDynamic filtering redraws the log when you select a variable link.

单选题Which is an example of a dynamic SELECT statement? ()AA query whose object names change during its execution. BA query whose object names are not known until run time. CA query whose bind variables values change during execution. DA query whose bind variable values are not known until run time.

单选题The user Alice wants to grant all users query privileges on her DEPT table. Which SQL statement accomplishes this? ()AGRANT select ON dept TO ALL_ USER;BGRANT select ON dept TO ALL;CGRANT QUERY ON dept TO ALL_USERSDGRANT select ON dept TO PUBLIC;