网友您好， 请在下方输入框内输入要搜索的题目：
题目内容
（请给出正确答案）
多选题
Which three statements are true regarding the data types in Oracle Database 10g/11g?（）
A
Only one LONG column can be used per table
B
A TIMESTAMP data type column stores only time values with fractional seconds
C
The BLOB data type column is used to store binary data in an operating system file
D
The minimum column width that can be specified for a VARCHAR2 data type column is one
E
The value for a CHAR data type column is blank-padded to the maximum defined column width
参考答案
参考解析
解析：
暂无解析
更多 “多选题Which three statements are true regarding the data types in Oracle Database 10g/11g?（）AOnly one LONG column can be used per tableBA TIMESTAMP data type column stores only time values with fractional secondsCThe BLOB data type column is used to store binary data in an operating system fileDThe minimum column width that can be specified for a VARCHAR2 data type column is oneEThe value for a CHAR data type column is blank-padded to the maximum defined column width” 相关考题
考题
Which two statements regarding a SQL profile are true?()
A. It is built by Automatic Tuning Optimizer.B. It cannot be stored persistently in the data dictionary.C. It can be used by the query optimizer automatically.D. It can be created manually by using the CREATE PROFILE command.
考题
ENCRYPT_TS is an encrypted tablespace that contains tables with data. Which statement is true regarding the effect of queries and data manipulation language (DML) statements on the encrypted data in the tables?（）A. The data is decrypted during SORT and JOIN operations.B. The data remains encrypted when it is read into memory.C. The data remains encrypted when it is stored in the redo logs.D. The data remains encrypted in the UNDO tablespace provided that the UNDO tablespace was created with the encryption option enabled.
考题
Which two statements are true regarding the USING clause in table joins?（）A、It can be used to join a maximum of three tables B、It can be used to restrict the number of columns used in a NATURAL join C、It can be used to access data from tables through equijoins as well as nonequijoins D、It can be used to join tables that have columns with the same name and compatible data types
考题
Which statement is true regarding the INTERSECT operator?（）A、It ignores NULL values B、Reversing the order of the intersected tables alters the result C、The names of columns in all SELECT statements must be identical D、The number of columns and data types must be identical for all SELECT statements in the query
考题
Which three statements are true regarding subqueries?（）A、Subqueries can contain GROUP BY and ORDER BY clauses B、Main query and subquery can get data from different tables C、Main query and subquery must get data from the same tables D、Subqueries can contain ORDER BY but not the GROUP BY clause E、Only one column or expression can be compared between the main query and subqueryF、 Multiple columns or expressions can be compared between the main query and subquery
考题
Which statements are true regarding a tablespace（）A、It can span multiple databases.B、It can consist of multiple data files.C、It can contain blocks of different sizes.D、It can contain segments of different sizes.E、It can contain a part of a nonpartitioned segment
考题
Which two statements regarding a SQL profile are true？（）A、 It is built by Automatic Tuning Optimizer.B、 It cannot be stored persistently in the data dictionary.C、 It can be used by the query optimizer automatically.D、 It can be created manually by using the CREATE PROFILE command.
考题
Which statements are true regarding the Oracle Data Pump export and import operations（）A、You cannot export data from a remote database.B、You can rename tables during an import operation.C、You can overwrite existing dump files during an export operation.D、You can compress the data during export but not the metadata because it is not supported
考题
Which three statements are true regarding single-row functions？（）A、 They can accept only one argument.B、 They can be nested up to only two levels.C、 They can return multiple values of more than one data type.D、 They can be used in SELECT， WHERE， and ORDER BY clauses. E、 They can modify the data type of the argument that is referenced.F、 They can accept a column name， expression， variable name， or a user-supplied constant as arguments.
考题
You want to make use of the object features available in the database for the form module you are developing. Which three statements about object types are true? （）A、An object type is a user-defined composite data type. B、The attributes of an object type can be those of other object types. C、A PL/SQL table of records is an example of a nested object type. D、An object type must be declared as a type before the actual object itself can be declared.
考题
Which three statements are true regarding the data types in Oracle Database 10g/11g?（）A、Only one LONG column can be used per table B、A TIMESTAMP data type column stores only time values with fractional seconds C、The BLOB data type column is used to store binary data in an operating system file D、The minimum column width that can be specified for a VARCHAR2 data type column is one E、The value for a CHAR data type column is blank-padded to the maximum defined column width
考题
Which two statements are true regarding the USING and ON clauses in table joins?（）A、Both USING and ON clauses can be used for equijoins and nonequijoins B、Amaximum of one pair of columns can be joined between two tables using the ON clause C、The ON clause can be used to join tables on columns that have different names but compatible data types D、The WHERE clause can be used to apply additional conditions in SELECT statements containing the ON or the USING clause
考题
Examine the following statement that is used to modify the constraint on the SALES table： SQL ALTER TABLE SALES MODIFY CONSTRAINT pk DISABLE VALIDATE； Which three statements are true regarding the above command（）A、The constraint remains valid.B、The index on the constraint is dropped.C、It allows the loading of data into the table using SQL*Loader.D、New data conforms to the constraint， but existing data is not checkedE、It allows the data manipulation on the table using INSERT/UPDATE/DELETE SQL statements.
考题
Which three statements are true regarding the logical structure of the Oracle database？（）A、Each segment contains one or more extents.B、Multiple tablespaces can share single data file.C、A data block is the smallest unit of I/O for data files.D、It is possible to have tablespaces of different block sizes in a database.E、Each data block in the database always corresponds to one OS block.
考题
Examine the following statement that is used to modify the primary key constraint on the SALES table： SQL ALTER TABLE SALES MODIFY CONSTRAINT pk DISABLE VALIDATE； Which three statements aretrue regarding the above command（）A、The constraint remains valid.B、The index on the constraint is dropped.C、It allows the loading of data into the table using SQL *Loader.D、New data conforms to the constraint， but existing data is not checked.E、It allows the data manipulation on the table using INSERT/UPDATE/DELETE SQL statements.
考题
多选题Which two statements are true regarding the use of UTF-16 encoding？ （）AEnables easier loading of multinational data.BUses a fixed-width Multibyte encoding sequence.CAsian characters are represented in three characters.DUsed a variable-width Multibyte encoding sequence.EEuropean characters are represented on one or two bytes.
考题
多选题Examine the following statement that is used to modify the primary key constraint on the SALES table： SQL ALTER TABLE SALES MODIFY CONSTRAINT pk DISABLE VALIDATE； Which three statements aretrue regarding the above command（）AThe constraint remains valid.BThe index on the constraint is dropped.CIt allows the loading of data into the table using SQL *Loader.DNew data conforms to the constraint， but existing data is not checked.EIt allows the data manipulation on the table using INSERT/UPDATE/DELETE SQL statements.
考题
多选题Which two statements are true regarding the USING clause in table joins?（）AIt can be used to join a maximum of three tablesBIt can be used to restrict the number of columns used in a NATURAL joinCIt can be used to access data from tables through equijoins as well as nonequijoinsDIt can be used to join tables that have columns with the same name and compatible data types
考题
多选题Which three statements are true regarding single-row functions？（）AThey can accept only one argument.BThey can be nested up to only two levels.CThey can return multiple values of more than one data type.DThey can be used in SELECT， WHERE， and ORDER BY clauses.EThey can modify the data type of the argument that is referenced.FThey can accept a column name， expression， variable name， or a user-supplied constant as arguments.
考题
多选题Examine the following statement that is used to modify the constraint on the SALES table： SQL ALTER TABLE SALES MODIFY CONSTRAINT pk DISABLE VALIDATE； Which three statements are true regarding the above command（）AThe constraint remains valid.BThe index on the constraint is dropped.CIt allows the loading of data into the table using SQL*Loader.DNew data conforms to the constraint， but existing data is not checkedEIt allows the data manipulation on the table using INSERT/UPDATE/DELETE SQL statements.
考题
多选题Which two statements regarding external authentication servers for firewall userauthentication are true？（）AUp to three external authentication server types can be used simultaneously.BOnly one external authentication server type can be used simultaneously.CIf the local password database is not configured in the authentication order， and the configured authentication server is unreachable， authentication is not performed.DIf the local password database is not configured in the authentication order， and the configured authentication server rejects the authentication request， authentication is not performed
考题
多选题Which two statements are true regarding the Oracle Data Pump export and import operations（）AYou cannot export data from a remote database.BYou can rename tables during an import operation.CYou can overwrite existing dump files during an export operation.DYou can compress the data during export but not the metadata because it is not supported.
考题
多选题Which two statements regarding a SQL profile are true？（）AIt is built by Automatic Tuning Optimizer.BIt cannot be stored persistently in the data dictionary.CIt can be used by the query optimizer automatically.DIt can be created manually by using the CREATE PROFILE command.
考题
单选题Which statement is true regarding the INTERSECT operator?（）A
It ignores NULL values B
Reversing the order of the intersected tables alters the result C
The names of columns in all SELECT statements must be identical D
The number of columns and data types must be identical for all SELECT statements in the query
考题
多选题You want to make use of the object features available in the database for the form module you are developing. Which three statements about object types are true? （）AAn object type is a user-defined composite data type.BThe attributes of an object type can be those of other object types.CA PL/SQL table of records is an example of a nested object type.DAn object type must be declared as a type before the actual object itself can be declared.
考题
多选题Which three statements are true regarding subqueries?（）ASubqueries can contain GROUP BY and ORDER BY clausesBMain query and subquery can get data from different tablesCMain query and subquery must get data from the same tablesDSubqueries can contain ORDER BY but not the GROUP BY clauseEOnly one column or expression can be compared between the main query and subqueryFMultiple columns or expressions can be compared between the main query and subquery
考题
多选题Which three statements are true regarding the logical structure of the Oracle database？（）AEach segment contains one or more extents.BMultiple tablespaces can share single data file.CA data block is the smallest unit of I/O for data files.DIt is possible to have tablespaces of different block sizes in a database.EEach data block in the database always corresponds to one OS block.
热门标签
最新试卷