1Z0-873 Exam Questions
139 real 1Z0-873 exam questions with expert-verified answers and explanations. Page 1 of 3.
- Question #1
Which of the following statements correctly describes the way to enable and use shared memory connections to the MySQL database server?
- Question #2JDBC
Which mysqld command line option disables incoming TCP/IP connections?
MySQLTCP/IPnetworkingcommand line options - Question #3JDBC
When making connections to a MySQL server on a Unix platform, which of the following is true?
MySQLsocket connectionsTCP/IPUnix platform - Question #4JDBC
Which of the following best describes the processing model for how the MySQL server handles queries?
MySQL architectureSQL optimizerstorage engine tierprocessing model - Question #5Security
Which of the following best describes how MySQL utilizes the grant table buffers?
grant tablesaccess controlMySQL securitymemory buffers - Question #6
In a standard MySQL installation which of following files are stored below the data directory?
- Question #7JDBC
Where is the data stored for a table that is defined as using the FEDERATED Storage Engine?
FEDERATED storage engineremote hostMySQLtable definition - Question #8JDBC
Which of the following best describes the scope of explicitly and implicitly set locks?
explicit locksimplicit lockslock scopeMySQL locking - Question #9JDBC
When you acquire an advisory lock using GET_LOCK(), the lock is released if
advisory locksGET_LOCKRELEASE_LOCKlock release - Question #10JDBC
which of the following best describes why table locking is often not desirable compared to page or row locking?
table lockingconcurrencyrow lockingpage locking - Question #11JDBC
With MyISAM table locking, deadlocks do not occur because:
MyISAMdeadlock preventiontable lockinglock ordering - Question #12JDBC
Which of the following (series of) statements will leave the three tables A, B and C locked for reading, writing and reading respectively once all statements have been executed?
LOCK TABLESREAD lockWRITE lockMySQL syntax - Question #13JDBC
You want to lock the three tables a, b and c, and issue the following statements: mysql> LOCK TABLES a READ; mysql> LOCK TABLES b READ; mysql> LOCK TABLES c READ; Which tables are...
LOCK TABLESlock replacementsequential lock statementsMySQL - Question #14JDBC
When choosing a storage engine for each of your tables, which things are to consider?
storage engine selectiontransactionslocking characteristicsMySQL - Question #15JDBC
Which of the following variables specify the default storage engine to use if no storage engine is specified when creating a table?
default storage enginestorage_engine variableMySQL configurationsystem variables - Question #16
Which of the following methods can be used to determine the storage engine of your table named "Country"?
- Question #17MySQL Storage Engines
Which of the following storage engines cannot be disabled?
storage enginesMyISAMbuilt-in enginesengine management - Question #18MySQL Storage Engines
Which of the following features are supported by MyISAM tables?
MyISAM featuresfulltext indexestable lockingMERGE table - Question #19MySQL Installation and Upgrade
Which of the following actions are performed during an RPM installation of the MySQL server package?
RPM installationmysql usermysql grouppackage setup - Question #20MySQL Installation and Upgrade
When installing a RPM based distribution, the data directory will be set to which of the following locations?
RPM installationdata directoryfile system pathsdefault configuration - Question #21MySQL Server Administration
Which of the following list the difference between mysqld, mysqld_safe and mysql.server respectively?
mysqldmysqld_safemysql.serverserver startup scripts - Question #22MySQL Server Administration
Which of the following commands can be used to stop a MySQL server on a UNIX system?
mysqladminserver shutdownmysql.serverUnix administration - Question #23MySQL Server Administration
On a Unix host with the host name "sakila", where will mysqld write errors to?
error loggingmysqld outputUnix hostserver diagnostics - Question #24MySQL Server Administration
When starting the mysqld program, which of the following statements are true?
startup optionsoption filescommand linemysqld configuration - Question #25
Which types of startup options can be configured for the server?
- Question #26MySQL Server Administration
When specifying options, which of the following are valid advantages of using options files over parameters on a command line?
option filesmy.cnfconfiguration managementserver startup - Question #27MySQL Storage Engines
Which of the following statements are true for MyISAM tables?
MyISAM lockingLOW_PRIORITYHIGH_PRIORITYread/write priority - Question #28MySQL Storage Engines
Suppose your are adding rows to a MyISAM table and the server runs out of disk space. What will happen?
MyISAMdisk space handlingINSERT behaviorserver error handling - Question #29
When working with MyISAM tables, which of the following statements are true regarding deadlocks?
- Question #30MySQL Storage Engines
Which of the following are characteristics of the MyISAM fixed-row storage format as compared to the dynamic row format?
MyISAM row formatsfixed-row formatdynamic row formatstorage efficiency - Question #31MySQL Storage Engines
Which of the following statements are true for the MERGE storage engine?
MERGE storage enginetable lockingunderlying MyISAM tablesMERGE locking behavior - Question #32MySQL Storage Engines
When will you be able to copy InnoDB table space files to other systems and use the data there?
InnoDB tablespaceplatform independencedata portabilitybinary compatibility - Question #33MySQL Storage Engines
Which of the following statements are true regarding the InnoDB storage engine?
InnoDBMVCCdeadlockstransaction concurrency - Question #34MySQL Storage Engines
When working with InnoDB, for which of the following reasons should you use the FOR UPDATE locking modifier?
InnoDBSELECT FOR UPDATEpessimistic lockingtransaction management - Question #35MySQL Storage Engines
Which of the following correctly defines dirty reads, non-repeatable reads and phantom row?
dirty readsnon-repeatable readsphantom rowstransaction isolation concepts - Question #36MySQL Storage Engines
When working with the InnoDB engine, which of the following correctly defines the READ UNCOMMITTED isolation level?
READ UNCOMMITTEDisolation levelsInnoDBdirty reads - Question #37MySQL Storage Engines
When working with the InnoDB storage engine, which of the following correctly defines the READ COMMITTED isolation level?
READ COMMITTEDisolation levelsInnoDBcommitted changes - Question #38MySQL Storage Engines
Isolation levels can be set...
isolation levelssession scopeglobal configurationSET TRANSACTION - Question #39MySQL Storage Engines
Which of the following are effects of defining foreign keys in InnoDB tables without specifying either ON UPDATE or ON DELETE?
foreign keysInnoDBreferential integrityON DELETE/ON UPDATE - Question #40MySQL Storage Engines
Which of the following statements are true for tables using the FEDERATED storage engine?
FEDERATED storage enginetransactionsSELECT supportDML support - Question #41MySQL Storage Engines
Besides specifying the column names and data types, which connection parameters may be defined when defining a FEDERATED table?
FEDERATED storage engineconnection parametersremote table reference - Question #42Using MySQL Client Programs
Which of the following are some general capabilites of the mysql client program?
mysql clientDDL operationsuser managementreplication status - Question #43Using MySQL Client Programs
which of the following are some general capabilities of the mysqladmin client program?
mysqladminserver shutdowndatabase managementserver administration - Question #44Using MySQL Client Programs
Which of the following are some general properties of the mysqlimport client program?
mysqlimportLOAD DATA INFILEdata importclient vs server host - Question #45Using MySQL Client Programs
Which of the following is/are properties of the mysqldump client program?
mysqldumpbackupdata exportdump file location - Question #46MySQL Locking
Which of the following correctly defines the general difference between a read lock and a write lock?
read lockwrite lockconcurrencytable locking - Question #47MySQL Locking
Which of the following correctly describes the differences between explicitly and implicitly set locks?
implicit locksexplicit lockslock managementconcurrency - Question #48MySQL Locking
What are some properties of using LOCK TABLE?
LOCK TABLElocking performanceMyISAMtable-level locking - Question #49MySQL Locking
Which of the following describes how READ LOCAL locking works?
READ LOCAL lockconcurrent insertstable locksMyISAM - Question #50MySQL Locking
Which of the following statements are true regarding table locks?
table lockslock releaseconnection handlingconcurrency