Reference: https://blog.csdn.net/qq_23994787/article/details/80648731
mysql installation problem: Unable to find the MSVCR120.dll, can not continue to execute code reinstall the program may resolve this problem.
Reference: https://blog.csdn.net/zhongaiyisheng_/article/details/85924378
This error is caused due not installed vcredist
Download vcredist Address: https://www.microsoft.com/zh-CN/download/details.aspx?id=40784
Just install the software downloaded to the default location, the installation is successful
And then re-install it successfully solve this problem!
my.ini
# MySQL Configure [ Client ] # MySQL client port Port = 3306 [ MySQL ] # MySQL default character set encoding default-Character-SET = UTF8 [ mysqld ] # MySQL port Port = 3306 # MySQL installation path of the basedir = "C: / Extend /development-environment/mysql-5.7.26-winx64/ " # MySQL database file path datadir =" C: /extend/development-environment/mysql-5.7.26-winx64/data/ " # MySQL database default encoding character-set -server = UTF8 # INNODB mode table storage engine with two kinds MyISAM default-storage-engine = INNODB # the SQL authentication mode SQL-mODE= "NO_AUTO_CREATE_USER, NO_ENGINE_SUBSTITUTION" # maximum number of connections max_connections = 512 # MySQL query cache query_cache_size = 0 # cache size table_cache = 256 size # memory table tmp_table_size = 18M # Maximum number of connection threads thread_cache_size = 8 # When rebuilding the index allowed the maximum size of the temporary file myisam_max_sort_file_size = 64G reordering # MyISAM table changes required buffer myisam_sort_buffer_size = 35M # index buffer size key_buffer_size = 25M # memory buffer size read_buffer_size = 64K # random read buffer size read_rnd_buffer_size = 256K # sort buffer size sort_buffer_size = 256K # the InnoDB storage engine memory space used to store data dictionary information as well as some internal data structures innodb_additional_mem_pool_size = 2M the innodb_flush_log_at_trx_commit =. 1 the innodb_log_buffer_size = 1M innodb_buffer_pool_size = 47M the innodb_log_file_size = 24M the innodb_thread_concurrency =. 8 log_bin = ON #################### primary configuration server from ########################## Server-ID # =. 1 # unique database ID, which identifies the number of the master must not be repeated. Log-bin # =mysql-bin # open binlog, and specify the file directory and file name prefix # binlog-do-db =huanqiu # need to synchronize the database. If multiple synchronization library, you write a few lines in this format to another. If you do not specify a particular library to sync, remove this line represents the synchronization of all libraries (except ignore ignore libraries). The ignore-db binlog-# = mysql # mysql system database is not synchronized. If it is not synchronized multiple libraries, write a few lines on this other format; can also be separated in a row, the middle of a comma. Sync_binlog # = 1 # ensure that the log is written to the hard disk binlog sync # binlog_checksum = none # skipped existing event using the checksum, mysql5.6.5 future versions binlog_checksum = crc32, and low versions are binlog_checksum = none # binlog_format = Mixed # bin log-log format file, set MIXED duplicate primary key can be prevented. ################################################## ###########