名词解释题保守序列（conserved sequence）
名词解释题
保守序列（conserved sequence）
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相关考题：
The protective scheme that senses zero sequence current and operates as necessary is called as _____. A、overcurrent protectionB、zero sequence protectionC、negative sequence protectionD、directional protection
Which two patented or patent－pending compression and caching technologies are used for WX／WXC devices?()(Choose two.) A. Network Sequence Caching (NSC)B. Molecular Sequence Caching (MSC)C. Network Sequence Reduction (NSR)D. Molecular Sequence Reduction (MSR)
A sequence was created with the DDL statement shown below:CREATE SEQUENCE my_sequence CACHE 10 ORDER The following statements are successfully executed in sequence through separate database connections: CONNECTION1 - VALUES NEXT VALUE FOR my_sequence INTO :con1hvar CONNECTION2 - VALUES NEXT VALUE FOR my_sequence INTO :con2hvar CONNECTION1 - VALUES NEXT VALUE FOR my_sequence INTO:con1hvarWhat is the current value of the :con1hvar host variable?（）A.2B.3C.11D.30
Which of the following is a characteristic of a sequence?() A.A sequence will never generate duplicate valuesB.The MAXVALUE of a sequence can be equal to the MINVALUEC.It is not possible to create a sequence that generates a constant since the INCREMENT value must be greater than zeroD.When a sequence cycles back to either the MAXVALUE or MINVALUE, it will always be equal to the specified value of either of these two boundaries
LTE中，RLC层接收端将接收到的RLC PDU重组并排序，生成RLC SDU，然后用哪种方式将RLC SDU转发到上层。 （）A、In-sequence DeliveryB、non In-sequence DeliveryC、通过高层信令配置为In-sequence DeliveryD、通过高层信令配置为In-sequence Delivery或non In-sequence Delivery
当sequence B作为sequence A中的一段影片存在的时候木屑列描述正确的是：（）A、swquence B与其产生的影片会产生互动的关系，对一方的改动必然影响另外一方B、对sequence B的改动会影响其产生的影片，Layer的操作则对sequence B不会发生影响C、sequence B会受到其产生的影片的影响，但是对sequence B的操作部影响其LayerD、sequence B与其产生的影片之间部发生影响。
当Sequence B作为Sequence A中的一段影片存在的时候，下列描述正确的是：（）A、Sequence B与其产生的影片会产生互动的关系，对一方的改动必然影响另外一方B、对Sequence B的改动会影响其产生的影片，对Layer的操作则对Sequence B不发生影响C、Sequence B会受到其产生的影片的影响，但是对Sequence B的操作不影响其LayerD、Sequence B与其产生的影片之间不发生影响。
Which of the following is a characteristic of a sequence?（）A、A sequence will never generate duplicate valuesB、The MAXVALUE of a sequence can be equal to the MINVALUEC、It is not possible to create a sequence that generates a constant since the INCREMENT value must be greater than zeroD、When a sequence cycles back to either the MAXVALUE or MINVALUE, it will always be equal to the specified value of either of these two boundaries
LTE中，RLC层接收端将接收到的RLCPDU重组并排序，生成RLCSDU，然后用（）方式将RLCSDU转发到上层A、In-sequence DeliveryB、nonIn-sequence DeliveryC、通过高层信令配置为In-sequence DeliveryD、通过高层信令配置为In-sequence Delivery或nonIn-sequence Delivery
A sequence was created with the DDL statement shown below:CREATE SEQUENCE my_sequence CACHE 10 ORDER The following statements are successfully executed in sequence through separate database connections: CONNECTION1 - VALUES NEXT VALUE FOR my_sequence INTO :con1hvar CONNECTION2 - VALUES NEXT VALUE FOR my_sequence INTO :con2hvar CONNECTION1 - VALUES NEXT VALUE FOR my_sequence INTO:con1hvarWhat is the current value of the :con1hvar host variable?（）A、2B、3C、11D、30
What is true about sequences? （）A、The start value of the sequence is always 1.B、A sequence always increments by 1.C、The minimum value of an ascending sequence defaults to 1.D、The maximum value of descending sequence defaults to 1.
What is true about sequences?（）A、Once created, a sequence belongs to a specific schema.B、Once created, a sequence is linked to a specific table.C、Once created, a sequence is automatically available to all users.D、Only the DBA can control which sequence is used by a certain table.E、Once created, a sequence is automatically used in all INSERT and UPDATE statements.
单选题Which of the following is a characteristic of a sequence?（）AA sequence will never generate duplicate valuesBThe MAXVALUE of a sequence can be equal to the MINVALUECIt is not possible to create a sequence that generates a constant since the INCREMENT value must be greater than zeroDWhen a sequence cycles back to either the MAXVALUE or MINVALUE, it will always be equal to the specified value of either of these two boundaries
多选题Which two patented or patent-pending compression and caching technologies are used for WX/WXC devices?（）(Choose two.)ANetwork Sequence Caching (NSC)BMolecular Sequence Caching (MSC)CNetwork Sequence Reduction (NSR)DMolecular Sequence Reduction (MSR)
多选题When performing incomplete recovery using UNTIL SEQUENCE with RMAN， which two pieces of information are required？（）AThread number.BLog Sequence number.CControl file sequence number.DName of the last archived log.
单选题要删除“雇员标识序列”序列，应使用以下哪条语句（）ADELETE SEQUENCE雇员标识序列BDROP SEQUENCE雇员标识序列CALTER SEQUENCE雇员标识序列DREMOV ESEQUENCE雇员标识序列
单选题What is true about sequences?（）AThe start value of the sequence is always 1.BA sequence always increments by 1.CThe minimum value of an ascending sequence defaults to 1.DThe maximum value of descending sequence defaults to 1.
多选题Which two statements about sequences are true? （）AYou use a NEXTVAL pseudo column to look at the next possible value that would be generated from a sequence, without actually retrieving the value.BYou use a CURRVAL pseudo column to look at the current value just generated from a sequence, without affecting the further values to be generated from the sequence.CYou use a NEXTVAL pseudo column to obtain the next possible value from a sequence by actually retrieving the value from the sequence.DYou use a CURRVAL pseudo column to generate a value from a sequence that would be used for a specified database column.EIf a sequence starting from a value 100 and incremented by 1 is used by more than one application, then all of these applications could have a value of 105 assigned to their column whose value is being generated by the sequence.FYou use a REUSE clause when creating a sequence to restart the sequence once it generates the maximum value defined for the sequence.
单选题What is true about sequences? （）AOnce created, a sequence belongs to a specific schema.BOnce created, a sequence is linked to a specific table.COnce created, a sequence is automatically available to all users.DOnly the DBA can control which sequence is used by a certain table.EOnce created, a sequence is automatically used in all INSERT and UPDATE statements.
判断题反应元件都具有较短的保守序列。A对B错