What is true regarding InnoDB locking?()A、InnoDB uses row and table-level locks, but row locks are not escalatesB、InnoDB locks only those rows that are updatedC、InnoDB only uses row locks, not page or table-level locksD、InnoDB row locks may be escalated to page or table-level locksE、InnoDB uses row-level or table-level locks depending on the number of rows affected

What is true regarding InnoDB locking?()

  • A、InnoDB uses row and table-level locks, but row locks are not escalates
  • B、InnoDB locks only those rows that are updated
  • C、InnoDB only uses row locks, not page or table-level locks
  • D、InnoDB row locks may be escalated to page or table-level locks
  • E、InnoDB uses row-level or table-level locks depending on the number of rows affected

相关考题:

What is true regarding InnoDB locking?() A.InnoDB uses row and table-level locks, but row locks are not escalatesB.InnoDB locks only those rows that are updatedC.InnoDB only uses row locks, not page or table-level locksD.InnoDB row locks may be escalated to page or table-level locksE.InnoDB uses row-level or table-level locks depending on the number of rows affected

Which two statements are true about InnoDB auto-increment locking?() A.The auto-increment lock can be a table-level lockB.InnoDB never uses table-level locksC.Some settings for innodb_autoinc_lock_mode can help reduce lockingD.InnoDB always protects auto-increment updates with a table-level lock

What is true regarding Cisco Network Registrar in Cable networks?()A、It provides comprehensive Domain Name systemB、It provides DHCP administrative functionalityC、It provides TFTP server functionality.D、All of the above are true

What is true regarding Autonomous Systems (AS )?()A、AS numbers are assigned by the IANAB、AS numbers are used by BGP (Border Gateway protocol ) to exchange IP routing information with neighboring ASC、In the internet, an Autonomous System (AS) is a collection of IP networks and routers under the controlD、All of the Above

Which of the following is true regarding Label Distribution Protocol (LDP)?()A、It is a label distribution protocol for MPLSB、It is a set of procedures and messages by which LSRs establish Label Switch Paths (LSPs) through a networkC、Tag distribution Protocol (TDP) was the basis for LDPD、All of the above are true

What is true regarding the OSPF Type 2 LSA?()A、The DR floods this to describe the local stub network segment.B、The ABR floods this to describe the local stub network segment.C、The DR floods this to describe the local transit network segment.D、Each OSPF router floods this to describe its interfaces and metrics.E、The DR and BDR flood this to describe the local transit network segment.

What statements are true regarding ICMP packets?()A、They acknowledge receipt of TCP segments.B、They guarantee datagram delivery.C、They can provide hosts with information about network problems.D、They are encapsulated within IP datagrams.E、They are encapsulated within UDP datagrams.

What statement is true regarding processor allocation when implementing micro-partitions? ()A、 The minimum configurable capacity allocation is 1.0 core and the minimum increment is 0.1 core.B、 The minimum configurable capacity allocation is 0.1 core and the minimum increment is 0.01 core.C、 The minimum configurable capacity allocation is 1.0 core and the minimum increment is 0.01 core.D、 The minimum configurable capacity allocation is 0.1 core and the minimum increment is 0.001

Identify the true statement regarding Temporary Coherence cluster members()A、 it should have "localstorage" set to TRUEB、 it should be configured so as to not trigger re-partitioning C、 both A and B are TRUED、 Neither A and B are TRUE

Which two statements are true about InnoDB auto-increment locking?()A、The auto-increment lock can be a table-level lockB、InnoDB never uses table-level locksC、Some settings for innodb_autoinc_lock_mode can help reduce lockingD、InnoDB always protects auto-increment updates with a table-level lock

What is true regarding subqueries?()A、The inner query always sorts the results of the outer query.B、The outer query always sorts the results of the inner query.C、The outer query must return a value to the inner query.D、The inner query returns a value to the outer query.E、The inner query must always return a value or the outer query will give an error.

The InnoDB engine has a feature known as clustered indexes. Which three statements are true about clustered indexes as used in InnoDB?()A、A primary key must exist for creation of a clustered indexB、A clustered index allows fulltext searching within InnoDBC、The first unique index is always used as a clustered index and not a primary keyD、A clustered index provides direct access to a page containing row dataE、If no indexes exist, a hidden clustered index is generated based on row IDsF、A primary key is used as a clustered indexG、A clustered index is a grouping of indexes from different tables into a global index for faster searching

单选题Following a server crash, the automatic recovery of InnoDB fails. How would you begin to manually repair the InnoDB tables?()AStart the server with the – innodb_recover_options option set to FORCEBStart the server with the – innodb_force_recovery option set to a non-zero valueCStart the server as usual, and then execute the REPAIR TABLE commandDStart the server as usual, and then execute the CHECK TABLE command

多选题Full Atomicity, Consistency, Isolation, Durability (ACID) compliance is a necessity for a new application, which heavily reads and writes data. This requires the following config file options: Sync_binlog=1 Innodb_flush_log_at_trx_commit=1 Innodb_doublewrite=1 However, this configuration is expected to introduce disk I/O overhead. What three changes will reduce disk I/O overheads?()AUse of soft links for database directories on the same physical diskBUse of delay_key_write=ON for batch index updateCAllocation of RAM to the buffer pool such that more of the data can fit in RAMDPlacement of InnoDB log files and datadir on separate physical disksEUse of separate directories on the same physical disk for log files and data files

单选题What is true regarding subqueries?()AThe inner query always sorts the results of the outer queryBThe outer query always sorts the results of the inner queryCThe outer query must return a value to the outer queryDThe inner query returns a value to the outer queryEThe inner query must always return a value or the outer query will give an error

单选题______ you said is true, there are still other factors to be considered .ASupposed that whatBSupposing what thatCGranted that whatDConsidered what that

多选题What statements are true regarding ICMP packets?()AThey acknowledge receipt of TCP segments.BThey guarantee datagram delivery.CThey can provide hosts with information about network problems.DThey are encapsulated within IP datagrams.EThey are encapsulated within UDP datagrams.

多选题Which two statements are true about InnoDB auto-increment locking?()AThe auto-increment lock can be a table-level lockBInnoDB never uses table-level locksCSome settings for innodb_autoinc_lock_mode can help reduce lockingDInnoDB always protects auto-increment updates with a table-level lock

单选题What is true regarding Autonomous Systems (AS )?()AAS numbers are assigned by the IANABAS numbers are used by BGP (Border Gateway protocol ) to exchange IP routing information with neighboring ASCIn the internet, an Autonomous System (AS) is a collection of IP networks and routers under the controlDAll of the Above

单选题What is true regarding Cisco Network Registrar in Cable networks?()AIt provides comprehensive Domain Name systemBIt provides DHCP administrative functionalityCIt provides TFTP server functionality.DAll of the above are true

多选题On a Cisco Unified Computing System (UCS), which two statements regarding Ethanalyzer are true?()AInterface inbound-low handles Rx and Tx of low-priority control packetBInterface inbound-lo handles Rx and Tx of high-priority control packetCInterface inbound-low maps to internal interface eth3DInterface inbound-low maps to internal interface eth4

多选题What are two methods of taking a binary backup of a Mysql Server using InnoDB storage engine?()AFile system snapshotsBMysqldumpslowCMysqlhotcopyDMysqldump with – binary-data optionEMysql Enterprise Backup

单选题Which of the following is true regarding Label Distribution Protocol (LDP)?()AIt is a label distribution protocol for MPLSBIt is a set of procedures and messages by which LSRs establish Label Switch Paths (LSPs) through a networkCTag distribution Protocol (TDP) was the basis for LDPDAll of the above are true

单选题Identify the true statement regarding Temporary Coherence cluster members()A it should have localstorage set to TRUEB it should be configured so as to not trigger re-partitioning C both A and B are TRUED Neither A and B are TRUE

单选题What is true regarding subqueries?()AThe inner query always sorts the results of the outer query.BThe outer query always sorts the results of the inner query.CThe outer query must return a value to the inner query.DThe inner query returns a value to the outer query.EThe inner query must always return a value or the outer query will give an error.

单选题What is true regarding InnoDB locking?()AInnoDB uses row and table-level locks, but row locks are not escalatesBInnoDB locks only those rows that are updatedCInnoDB only uses row locks, not page or table-level locksDInnoDB row locks may be escalated to page or table-level locksEInnoDB uses row-level or table-level locks depending on the number of rows affected

单选题What is true regarding a transaction executed in Automatic Undo Management mode?()A AB BC CD D