1Z0-873 Exam Questions
139 real 1Z0-873 exam questions with expert-verified answers and explanations. Page 3 of 3.
- Question #101MySQL Backup and Recovery
What three data components are needed for data recovery?
data recoverybinary logdata backupconfiguration files - Question #102
What are some general principles of making a good MySQL backup?
- Question #103
Which of the following are some trade-offs between binary and text backups?
- Question #104
Which of the following steps describe how to do a proper binary backup of MyISAM tables?
- Question #105MySQL Backup and Recovery
Which of the following steps describe how to do a proper binary backup of InnoDB data?
InnoDB binary backuptablespace files.frm fileshot backup procedure - Question #106MySQL Storage Engines
Which of the following are requirements for MyISAM binary portability?
MyISAM portabilitybinary compatibilityfloating-point formatlowercase table names - Question #107MySQL Backup and Recovery
In order to use SELECT INTO OUTFILE backups, the output file
SELECT INTO OUTFILEfile permissionsserver-side filelogical backup - Question #108MySQL Backup and Recovery
Which of the following statements is true for mysqldump?
mysqldumpremote serverlocal serverbackup connectivity - Question #109MySQL Installation and Configuration
Which of the following are some benefits of using MySQL built binaries over binaries built by yourself?
MySQL binariescompiler optimizationplatform librariespre-built distributions - Question #110MySQL Installation and Configuration
A windows binary installation includes several servers in the MySQL installation directory. What is the purpose of the mysqld-nt server?
mysqld-ntWindows server variantsnamed pipesWindows installation - Question #111Installation and Configuration
When running the MySQL server under Windows, the --console option is used to display server errors in the console window.
mysqld optionsWindows consoleerror outputserver startup - Question #112Installation and Configuration
What will the following statement do in a Windows environment? Assume that there are no conflicts in the pathname definitions. C:\> mysqld --install MySQL50 --defaults-file=C:\my-o...
Windows service installationmysqld --installdefaults-fileservice name - Question #113InnoDB Storage Engine
Which of the following would be the effect of setting REFERENCES with ON UPDATE CASCADE?
foreign keysON UPDATE CASCADEreferential integrityparent-child relationship - Question #114
Which of the following storage engines will ignore foreign keys if they are specified?
- Question #115InnoDB Storage Engine
When working with InnoDB, which of the following are true of a parent / child foreign key relationship?
InnoDBforeign key data typesreferential integrityparent-child - Question #116InnoDB Storage Engine
When working with InnoDB, which of the following is true when trying to create foreign key references?
InnoDBforeign key indexesautomatic indexingparent-child columns - Question #117InnoDB Storage Engine
Which of the following statements are true for InnoDB?
InnoDB defaultstablespacelog filesdefault configuration - Question #118MySQL Configuration
The my.cnf file contains the following entries: innodb_data_home_dir = innodb_data_file_path = /ibdata/ibdata1:50M;/disk2/ibdata2:50M:autoextend Which of the following statements a...
innodb_data_file_pathtablespace configurationautoextendmy.cnf - Question #119Storage Engines
Which of the following are some general characteristics of the MEMORY storage engine?
MEMORY storage engineTEXT BLOB limitationdata persistence.frm file - Question #120Storage Engines and Optimization
Which of the following are true for how BTREE and HASH index types should be used for MEMORY tables?
MEMORY storage engineBTREE indexHASH indexindex selection - Question #121Installation and Configuration
Which of the following statements are true regarding the data directory on a Windows binary installation?
Windows binary installationdata directorypre-initializationbinary distribution - Question #122
Which of the following are requirements for InnoDB binary portability?
- Question #123
Which of the following package types are provided specifically for UNIX-style OS installations?
- Question #124Performance Optimization
Index analysis and optimization using ANALYZE and OPTIMIZE statements should...
ANALYZE TABLEOPTIMIZE TABLEEXPLAIN SELECTquery optimization - Question #125MySQL Configuration
Suppose you install a server with a service name of "MySQL5" rather than the default. What sections in the option files will the server use for configuration?
option filesWindows service namemysqld sectionnamed service - Question #126Installation and Configuration
Assume you compile MySQL from source and invoke configure with the following options. --with-charset=latin1 --with-extra-charsets=utf8,ucs2 Compared to a standard binary installati...
source compilationcharacter setsdisk spacememory usage - Question #127
Which of the following can be influenced by the choice of character set?
- Question #128Schema Design and Data Types
Suppose you have a column in which most records are going to be between 30 and 32 characters. Which of the following column types would be most efficient?
CHARVARCHARfixed-length datastorage efficiency - Question #129Character Sets and Data Types
You are using a multi-byte character set with variable-length encoding. You need to store records whose values are always 20 characters. Which of the following column types would b...
VARCHARCHARmulti-byte character setvariable-length encoding - Question #130Transactions and Locking
Another user has gotten a lock using GET_LOCK. You inquire on the status of the lock by using
GET_LOCKIS_FREE_LOCKIS_USED_LOCKuser-level locking - Question #131Transactions and Locking
Another user has issued the statement LOCK TABLE pets FOR WRITE You can...
LOCK TABLEWRITE lockconcurrent accesstable locking - Question #132
Which of the following statements are true?
- Question #133
Which of the following statements are true?
- Question #134InnoDB Storage Engine
When you set up per-table tablespace files for InnoDB...
InnoDBper-table tablespaceshared tablespaceinnodb_file_per_table - Question #135
Which of the following happens when BEGIN TRANSACTION or START TRANSACTION command is issued?
- Question #136Transactions and Locking
Which of the following statements are true with regard to savepoints in transactions?
savepointsROLLBACK TO SAVEPOINTtransaction managementtransaction isolation - Question #137Transactions and Locking
Some statements implicitly commit pending transactions and start a new one.
implicit commitDDL statementstransaction boundariesautocommit - Question #138Transactions and Locking
Which of the following describes how deadlocks may occur and how InnoDB resolves them?
InnoDB deadlockstransaction lockinglock resolutionInnoDB storage engine - Question #139Transactions and Locking
LOCK IN SHARE MODE should be used...
LOCK IN SHARE MODEshared lockstransaction lockingSELECT locking