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windows 7 vs 2013如何编译和安装MySQL 5.7

发布时间:2022-01-05 00:05:44 所属栏目:MySql教程 来源:互联网
导读:小编给大家分享一下windows 7 vs 2013如何编译与安装MySQL 5.7,希望大家阅读完这篇文章之后都有所收获,下面让我们一起去探讨吧! 操作环境准备 1.在Win7上安装好Visual Studio 2013 2.下载MySQL 5.7.25源代码 3.安装CMake https://cmake.org/ 安装的时候
小编给大家分享一下windows 7 vs 2013如何编译与安装MySQL 5.7,希望大家阅读完这篇文章之后都有所收获,下面让我们一起去探讨吧!
 
操作环境准备
1.在Win7上安装好Visual Studio 2013
2.下载MySQL 5.7.25源代码
3.安装CMake https://cmake.org/ 安装的时候,选择在PATH中加入
4.安装Bison: http://gnuwin32.sourceforge.net/packages/bison.htm 安装路径不要有空格
5.安装perl tool:ActivePerl-5.16.3.1604-MSWin32-x64-298023.msi
 
为了验证成功,可以执行以下命令:
 
C:UsersAdministrator>where bison
C:GnuWin32binbison.exe
C:UsersAdministrator>where cmake
C:CMakebincmake.exe
C:UsersAdministrator>where perl
C:Perl64binperl.exe
如果出现找不到,那就自己加path就行了
 
编译操作如下:
1. MySQL5.7.25的源文件存放在D:Code_workspacemysql-5.7.25目录下
 
D:Code_workspacemysql-5.7.25>dir
 驱动器 D 中的卷是 软件
 卷的序列号是 5D84-49C8
 D:Code_workspacemysql-5.7.25 的目录
2018-12-21  11:52
. 2018-12-21 11:52.. 2018-12-21 11:52BUILD 2018-12-21 11:52client 2018-12-21 11:52cmake 2018-12-21 11:39 27,753 CMakeLists.txt 2018-12-21 11:52cmd-line-utils 2018-12-21 11:39 13,900 config.h.cmake 2018-12-21 11:39 25,850 configure.cmake 2018-12-21 11:39 17,987 COPYING 2018-12-21 11:52dbug 2018-12-21 11:52Docs 2018-12-21 11:39 66,241 Doxyfile-perfschema 2018-12-21 11:52extra 2018-12-21 11:52include 2018-12-21 11:39 333 INSTALL 2018-12-21 11:52libbinlogevents 2018-12-21 11:52libbinlogstandalone 2018-12-21 11:52libevent 2018-12-21 11:52libmysql 2018-12-21 11:52libmysqld 2018-12-21 11:52libservices 2018-12-21 11:52man 2018-12-21 11:52mysql-test 2018-12-21 11:52mysys 2018-12-21 11:52mysys_ssl 2018-12-21 11:52packaging 2018-12-21 11:52plugin 2018-12-21 11:52rapid 2018-12-21 11:39 2,478 README 2018-12-21 11:52regex 2018-12-21 11:52scripts 2018-12-21 11:52sql 2018-12-21 11:52sql-common 2018-12-21 11:52storage 2018-12-21 11:52strings 2018-12-21 11:52support-files 2018-12-21 11:52testclients 2018-12-21 11:52unittest 2018-12-21 11:39 88 VERSION 2018-12-21 11:52vio 2018-12-21 11:52win 2018-12-21 11:52zlib 8 个文件 154,630 字节 35 个目录 18,364,108,800 可用字节
 
2.将boost文件存放在D:Code_workspaceboost_1_59_0目录下
 
windows 7 vs 2013如何编译和安装MySQL 5.7


3.创建BLD文件夹并进入该文件夹。
 
D:Code_workspacemysql-5.7.25>mkdir BLD
D:Code_workspacemysql-5.7.25>cd BLD
D:Code_workspacemysql-5.7.25BLD>
4.执行下面的命令,会下载boost文件夹,并在BLD文件夹下创建相关的项目文件:
 
D:Code_workspacemysql-5.7.25BLD>cmake .. -DDOWNLOAD_BOOST=1 -DWITH_BOOST="D:Code_workspaceboost_1_59_0"
-- Building for: Visual Studio 12 2013
CMake Deprecation Warning at CMakeLists.txt:28 (CMAKE_POLICY):
  The OLD behavior for policy CMP0018 will be removed from a future version
  of CMake.
  The cmake-policies(7) manual explains that the OLD behaviors of all
  policies are deprecated and that a policy should be set to OLD only under
  specific short-term circumstances.  Projects should be ported to the NEW
  behavior and not rely on setting a policy to OLD.
CMake Deprecation Warning at CMakeLists.txt:34 (CMAKE_POLICY):
  The OLD behavior for policy CMP0022 will be removed from a future version
  of CMake.
  The cmake-policies(7) manual explains that the OLD behaviors of all
  policies are deprecated and that a policy should be set to OLD only under
  specific short-term circumstances.  Projects should be ported to the NEW
  behavior and not rely on setting a policy to OLD.
CMake Deprecation Warning at CMakeLists.txt:41 (CMAKE_POLICY):
  The OLD behavior for policy CMP0045 will be removed from a future version
  of CMake.
  The cmake-policies(7) manual explains that the OLD behaviors of all
  policies are deprecated and that a policy should be set to OLD only under
  specific short-term circumstances.  Projects should be ported to the NEW
  behavior and not rely on setting a policy to OLD.
CMake Deprecation Warning at CMakeLists.txt:42 (CMAKE_POLICY):
  The OLD behavior for policy CMP0042 will be removed from a future version
  of CMake.
  The cmake-policies(7) manual explains that the OLD behaviors of all
  policies are deprecated and that a policy should be set to OLD only under
  specific short-term circumstances.  Projects should be ported to the NEW
  behavior and not rely on setting a policy to OLD.
-- Running cmake version 3.15.0-rc1
-- Could NOT find Git (missing: GIT_EXECUTABLE)
-- Configuring with MAX_INDEXES = 64U
-- The C compiler identification is MSVC 18.0.21005.1
-- The CXX compiler identification is MSVC 18.0.21005.1
-- Check for working C compiler: C:/Program Files (x86)/Microsoft Visual Studio 12.0/VC/bin/cl.exe
-- Check for working C compiler: C:/Program Files (x86)/Microsoft Visual Studio 12.0/VC/bin/cl.exe -- works
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Detecting C compile features
-- Detecting C compile features - done
-- Check for working CXX compiler: C:/Program Files (x86)/Microsoft Visual Studio 12.0/VC/bin/cl.exe
-- Check for working CXX compiler: C:/Program Files (x86)/Microsoft Visual Studio 12.0/VC/bin/cl.exe -- works
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
-- Detecting CXX compile features
-- Detecting CXX compile features - done
-- CMAKE_GENERATOR: Visual Studio 12 2013
-- Looking for sys/types.h
CMake Warning (dev) at C:/CMake/share/cmake-3.15/Modules/CheckIncludeFile.cmake:80 (message):
  Policy CMP0075 is not set: Include file check macros honor
  CMAKE_REQUIRED_LIBRARIES.  Run "cmake --help-policy CMP0075" for policy
  details.  Use the cmake_policy command to set the policy and suppress this
  warning.
  CMAKE_REQUIRED_LIBRARIES is set to:
    ws2_32
  For compatibility with CMake 3.11 and below this check is ignoring it.
Call Stack (most recent call first):
  C:/CMake/share/cmake-3.15/Modules/CheckTypeSize.cmake:230 (check_include_file)
  CMakeLists.txt:190 (CHECK_TYPE_SIZE)
This warning is for project developers.  Use -Wno-dev to suppress it.
-- Looking for sys/types.h - found
-- Looking for stdint.h
-- Looking for stdint.h - found
-- Looking for stddef.h
-- Looking for stddef.h - found
-- Check size of void *
-- Check size of void * - done
-- SIZEOF_VOIDP 4
-- MySQL 5.7.25
-- Packaging as: mysql-5.7.25-win32
-- Local boost dir D:/Code_workspace/boost_1_59_0
-- Found D:/Code_workspace/boost_1_59_0/boost/version.hpp
-- BOOST_VERSION_NUMBER is #define BOOST_VERSION 105900
-- BOOST_INCLUDE_DIR D:/Code_workspace/boost_1_59_0
-- Found Threads: TRUE
-- Looking for include file crypt.h
-- Looking for include file crypt.h - not found
-- Looking for getnameinfo
-- Looking for getnameinfo - not found
-- Looking for inet_ntop
-- Looking for inet_ntop - not found
-- Looking for log2
-- Looking for log2 - found
-- Looking for isinf
-- Looking for isinf - found
-- Performing Test HAVE_CXX_ISINF
-- Performing Test HAVE_CXX_ISINF - Success
-- Check size of struct timespec
-- Check size of struct timespec - failed
-- Performing Test HAVE_VISIBILITY_HIDDEN
-- Performing Test HAVE_VISIBILITY_HIDDEN - Success
-- Check size of struct sockaddr_in6
-- Check size of struct sockaddr_in6 - done
-- Check size of struct in6_addr
-- Check size of struct in6_addr - done
-- Performing Test HAVE_IMPLICIT_DEPENDENT_NAME_TYPING
-- Performing Test HAVE_IMPLICIT_DEPENDENT_NAME_TYPING - Success
-- Looking for chown
-- Looking for chown - not found
-- Looking for include file numa.h
-- Looking for include file numa.h - not found
-- Looking for include file numaif.h
-- Looking for include file numaif.h - not found
-- NUMA library missing or required version not available
-- Check size of socklen_t
-- Check size of socklen_t - failed
-- Check size of off64_t
-- Check size of off64_t - failed
-- Looking for unistd.h
-- Looking for unistd.h - not found
-- Performing Test HAVE_STRINGOP_OVERFLOW
-- Performing Test HAVE_STRINGOP_OVERFLOW - Failed
-- Performing Test HAVE_NO_UNUSED_CONST_VAR
-- Performing Test HAVE_NO_UNUSED_CONST_VAR - Failed
-- Cannot find system sasl libraries.
-- WITH_PROTOBUF=bundled
-- Performing Test HAVE_NO_SIGN_COMPARE
-- Performing Test HAVE_NO_SIGN_COMPARE - Failed
-- Performing Test HAVE_NO_UNUSED_TYPEDEFS
-- Performing Test HAVE_NO_UNUSED_TYPEDEFS - Failed
-- Performing Test HAVE_NO_IGNORED_QUALIFIERS
-- Performing Test HAVE_NO_IGNORED_QUALIFIERS - Failed
-- Performing Test HAVE_NO_RETURN_TYPE
-- Performing Test HAVE_NO_RETURN_TYPE - Failed
-- Performing Test HAVE_NO_UNUSED_FUNCTION
-- Performing Test HAVE_NO_UNUSED_FUNCTION - Failed
-- Performing Test HAVE_MAYBE_UNINITIALIZED
-- Performing Test HAVE_MAYBE_UNINITIALIZED - Failed
-- Performing Test HAVE_UNUSED_BUT_SET
-- Performing Test HAVE_UNUSED_BUT_SET - Failed
-- protobuf version is 2.6
-- Performing Test HAVE_SYS_THREAD_SELFID
-- Performing Test HAVE_SYS_THREAD_SELFID - Failed
-- Performing Test HAVE_SYS_GETTID
-- Performing Test HAVE_SYS_GETTID - Failed
-- Performing Test HAVE_PTHREAD_GETTHREADID_NP
-- Performing Test HAVE_PTHREAD_GETTHREADID_NP - Failed
-- Performing Test HAVE_INTEGER_PTHREAD_SELF
-- Performing Test HAVE_INTEGER_PTHREAD_SELF - Failed
-- Performing Test HAVE_STRINGOP_TRUNCATION
-- Performing Test HAVE_STRINGOP_TRUNCATION - Failed
-- Creating LDAP authentication SASL client library.
--  You need to set WITH_SASL path to build LDAP SASL client authentication plugin.
-- Library mysqlclient depends on OSLIBS ws2_32;Secur32
-- MERGE_CONVENIENCE_LIBRARIES TARGET mysqlclient
-- MERGE_CONVENIENCE_LIBRARIES LIBS clientlib;dbug;strings;vio;mysys;mysys_ssl;zlib;yassl;taocrypt;auth_win_client
-- MERGE_CONVENIENCE_LIBRARIES MYLIBS clientlib;dbug;strings;vio;mysys;mysys_ssl;zlib;yassl;taocrypt;auth_win_client
-- Looking for include file endian.h
-- Looking for include file endian.h - not found
-- Check size of long long
-- Check size of long long - done
-- Check size of long
-- Check size of long - done
-- Check size of int
-- Check size of int - done
-- Check if the system is big endian
-- Searching 16 bit integer
-- Check size of unsigned short
-- Check size of unsigned short - done
-- Using unsigned short
-- Check if the system is big endian - little endian
-- Performing Test HAVE_CAST_FUNCTION_TYPE
-- Performing Test HAVE_CAST_FUNCTION_TYPE - Failed
-- Using cmake version 3.15.0-rc1
-- Not building NDB
-- Performing Test HAVE_UNUSED_TYPEDEFS
-- Performing Test HAVE_UNUSED_TYPEDEFS - Failed
-- Performing Test HAVE_STRUCT_SOCKADDR_SA_LEN
-- Performing Test HAVE_STRUCT_SOCKADDR_SA_LEN - Failed
-- Performing Test HAVE_STRUCT_IFREQ_IFR_NAME
-- Performing Test HAVE_STRUCT_IFREQ_IFR_NAME - Failed
-- Performing Test HAVE_XDR_OPS_X_PUTINT32
-- Performing Test HAVE_XDR_OPS_X_PUTINT32 - Success
-- Performing Test HAVE_XDR_OPS_X_GETINT32
-- Performing Test HAVE_XDR_OPS_X_GETINT32 - Success
-- Performing Test HAVE___CONST
-- Performing Test HAVE___CONST - Success
-- Performing Test HAVE_RPC_INLINE_T
-- Performing Test HAVE_RPC_INLINE_T - Failed
-- Using Boost headers from D:/Code_workspace/boost_1_59_0
-- Performing Test CXX_HAVE_SIGN_COMPARE
-- Performing Test CXX_HAVE_SIGN_COMPARE - Failed
-- Performing Test CXX_HAVE_UNUSED_VARIABLE
-- Performing Test CXX_HAVE_UNUSED_VARIABLE - Failed
-- MYSQLX - Text log of protobuf messages enabled
-- Performing Test HAVE_UNUSED_PARAMETER
-- Performing Test HAVE_UNUSED_PARAMETER - Failed
-- Googletest was not found. gtest-based unit tests will be disabled. You can run cmake . -DENABLE_DOWNLOADS=1 to automatically download and build required components from source.
-- If you are inside a firewall, you may need to use an https proxy: export https_proxy=http://example.com:80
-- Performing Test HAVE_MISLEADING_INDENTATION
-- Performing Test HAVE_MISLEADING_INDENTATION - Failed
-- Performing Test HAVE_NO_BUILTIN_MEMCMP
-- Performing Test HAVE_NO_BUILTIN_MEMCMP - Success
-- executable target mysqld debug_target D:/Code_workspace/mysql-5.7.25/BLD/sql/Debug/mysqld.exe
-- Library mysqlserver depends on OSLIBS ws2_32
-- MERGE_CONVENIENCE_LIBRARIES TARGET mysqlserver
-- MERGE_CONVENIENCE_LIBRARIES LIBS dbug;strings;regex;mysys;mysys_ssl;vio;zlib;yassl;taocrypt;archive_embedded;blackhole_embedded;csv_embedded;federated_embedded;heap_embedded;inn
obase;lz4_lib;myisam_embedded;myisammrg_embedded;partition_embedded;ngram_parser;sql_embedded
-- MERGE_CONVENIENCE_LIBRARIES MYLIBS dbug;strings;regex;mysys;mysys_ssl;vio;zlib;yassl;taocrypt;archive_embedded;blackhole_embedded;csv_embedded;federated_embedded;heap_embedded;i
nnobase;lz4_lib;myisam_embedded;myisammrg_embedded;partition_embedded;ngram_parser;sql_embedded
-- WIX_DIR WIX_DIR-NOTFOUND path C:Program Files/WiX Toolset V3.8
-- WIX_DIR WIX_DIR-NOTFOUND path C:Program Files/WiX Toolset V3.8/bin
-- WIX_DIR WIX_DIR-NOTFOUND path C:Program Files (x86)/WiX Toolset V3.8
-- WIX_DIR WIX_DIR-NOTFOUND path C:Program Files (x86)/WiX Toolset V3.8/bin
-- WIX_DIR WIX_DIR-NOTFOUND looked at
-- Cannot find wix 3, installer project will not be generated
-- COMPILE_DEFINITIONS: _WIN32_WINNT=0x0601;WIN32_LEAN_AND_MEAN;NOGDI;NOMINMAX;BOOST_GEOMETRY_SQRT_CHECK_FINITENESS;HAVE_CONFIG_H;HAVE_LIBEVENT1
-- CMAKE_C_FLAGS: /DWIN32 /D_WINDOWS /W3 /MP /wd4800 /wd4805 /wd4996
-- CMAKE_CXX_FLAGS: /DWIN32 /D_WINDOWS /W3 /GR /EHsc /MP /wd4800 /wd4805 /wd4996 /we4099
-- CMAKE_C_LINK_FLAGS:
-- CMAKE_CXX_LINK_FLAGS:
-- CMAKE_C_FLAGS_DEBUG: /MDd /Z7 /Ob1 /Od /RTC1 /EHsc -DENABLED_DEBUG_SYNC -DSAFE_MUTEX
-- CMAKE_CXX_FLAGS_DEBUG: /MDd /Z7 /Ob1 /Od /RTC1 /EHsc -DENABLED_DEBUG_SYNC -DSAFE_MUTEX
-- CMAKE_C_FLAGS_RELWITHDEBINFO: /MD /Z7 /O2 /Ob1 /DNDEBUG /EHsc -DDBUG_OFF
-- CMAKE_CXX_FLAGS_RELWITHDEBINFO: /MD /Z7 /O2 /Ob1 /DNDEBUG /EHsc -DDBUG_OFF
-- Configuring done
-- Generating done
-- Build files have been written to: D:/Code_workspace/mysql-5.7.25/BLD
D:Code_workspacemysql-5.7.25BLD>
如果是编译64位,需要加参数 cmake .. –G “Visual Studio 12 2013 Win64”
 
5.打开sqlsql_locale.cc文件,用UTF-8的格式,再保存一遍,否则编译会出错。
 
6.运行下面的命令开始编译源码
 
D:Code_workspacemysql-5.7.25BLD>cmake --build . --config relwithdebinfo --target package
........
     正在创建库 D:/Code_workspace/mysql-5.7.25/BLD/sql/RelWithDebInfo/udf_example.lib 和对象 D:/Code_workspace/mysql-5.7.25/BLD/sql/RelWithDebInfo/udf_example.exp
  udf_example.vcxproj -> D:Code_workspacemysql-5.7.25BLDsqlRelWithDebInfoudf_example.dll
  Building Custom Rule D:/Code_workspace/mysql-5.7.25/plugin/password_validation/CMakeLists.txt
  validate_password.cc
     正在创建库 D:/Code_workspace/mysql-5.7.25/BLD/plugin/password_validation/RelWithDebInfo/validate_password.lib 和对象 D:/Code_workspace/mysql-5.7.25/BLD/plugin/password_validat
ion/Rel
  WithDebInfo/validate_password.exp
  validate_password.vcxproj -> D:Code_workspacemysql-5.7.25BLDpluginpassword_validationRelWithDebInfovalidate_password.dll
  Building Custom Rule D:/Code_workspace/mysql-5.7.25/plugin/version_token/CMakeLists.txt
  version_token.cc
     正在创建库 D:/Code_workspace/mysql-5.7.25/BLD/plugin/version_token/RelWithDebInfo/version_token.lib 和对象 D:/Code_workspace/mysql-5.7.25/BLD/plugin/version_token/RelWithDebIn
fo/vers
  ion_token.exp
  version_token.vcxproj -> D:Code_workspacemysql-5.7.25BLDpluginversion_tokenRelWithDebInfoversion_token.dll
  Building Custom Rule D:/Code_workspace/mysql-5.7.25/extra/CMakeLists.txt
  zlib_decompress.cc
  zlib_decompress.vcxproj -> D:Code_workspacemysql-5.7.25BLDextraRelWithDebInfozlib_decompress.exe
  Building Custom Rule D:/Code_workspace/mysql-5.7.25/CMakeLists.txt
  CPack: Create package using ZIP
  CPack: Install projects
  CPack: - Install project: MySQL
  CPack: Create package
  CPack: - package: D:/Code_workspace/mysql-5.7.25/BLD/mysql-5.7.25-win32.zip generated.
在文件夹中,有MySQL文件夹和winzip包产生:
 
D:Code_workspacemysql-5.7.25BLD_CPack_Packageswin32ZIP>dir
 驱动器 D 中的卷是 软件
 卷的序列号是 5D84-49C8
 D:Code_workspacemysql-5.7.25BLD_CPack_Packageswin32ZIP 的目录
2019-06-13  23:26
. 2019-06-13 23:26.. 2019-06-13 23:25mysql-5.7.25-win32 2019-06-13 23:26 426,298,188 mysql-5.7.25-win32.zip 1 个文件 426,298,188 字节 3 个目录 6,277,496,832 可用字节
 
下面使用自己编译的安装包来进行安装
1.将生成的安装包mysql-5.7.25-win32.zip解压D:mysql-5.7.25-win32目录中,
 
2.在D:mysql-5.7.25-win32目录中创建一个data目录用来存放数据文件
 
3.在mysql-5.7.25-win32根目录下创建my.ini文件添加以下内容
 
[mysql]
# 设置mysql客户端默认字符集
default-character-set=utf8mb4
[mysqld]
# 设置3306端口
port = 3306
# 设置mysql的安装目录
basedir=D:mysql-5.7.25-win32
# 设置 mysql数据库的数据的存放目录
datadir=D:mysql-5.7.25-win32data
# 允许最大连接数
max_connections=200
# 服务端使用的字符集
character-set-server=utf8mb4
# 创建新表时将使用的默认存储引擎
default-storage-engine=INNODB
explicit_defaults_for_timestamp=true
log-error=D:mysql-5.7.25-win32mysql.err
pid-file=D:mysql-5.7.25-win32mysqld.pid
socket =D:mysql-5.7.25-win32mysql.sock
4.文件目录切换至cmd所在路径(C:WindowsSystem32cmd.exe),右键以管理员身份运行cmd.exe,命令行进入mysql的bin目录,初始化数据库文件
 
C:UsersAdministrator>D:
D:>cd D:mysql-5.7.25-win32bin
D:mysql-5.7.25-win32bin>mysqld --defaults-file=D:mysql-5.7.25-win32my.ini  -
-initialize
D:mysql-5.7.25-win32bin>
5.初始化成功后会在my.ini配置文件的datadir的目录下生成一些文件,其中mysql.err文件里说明了root账户的临时密码。例如:)CRHHke1mik=就是root账户的临时密码
 
2019-06-14T02:21:39.232301Z 0 [Warning] InnoDB: New log files created, LSN=45790
2019-06-14T02:21:39.335307Z 0 [Warning] InnoDB: Creating foreign key constraint system tables.
2019-06-14T02:21:39.388310Z 0 [Warning] No existing UUID has been found, so we assume that this is the first time that this server has been started. Generating a new UUID: 2447abd5-8e4b-11e9-81b2-00505683446c.
2019-06-14T02:21:39.395311Z 0 [Warning] Gtid table is not ready to be used. Table 'mysql.gtid_executed' cannot be opened.
2019-06-14T02:21:39.442313Z 1 [Note] A temporary password is generated for root@localhost: )CRHHke1mik=
6.注册MySQL服务
 
D:mysql-5.7.25-win32bin>mysqld -install MySQL
Service successfully installed.
7.启动MySQL服务
 
C:UsersAdministrator>net start MySQL
MySQL 服务正在启动 .
MySQL 服务已经启动成功。
8.使用root账号登录MySQL数据库
 
D:mysql-5.7.25-win32bin>mysql -u root -p
Enter password: ************
Welcome to the MySQL monitor.  Commands end with ; or g.
Your MySQL connection id is 3
Server version: 5.7.25
Copyright (c) 2000, 2019, Oracle and/or its affiliates. All rights reserved.
Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.
Type 'help;' or 'h' for help. Type 'c' to clear the current input statement.
mysql> show databases;
ERROR 1820 (HY000): You must reset your password using ALTER USER statement befo
re executing this statement.
mysql>
9.修改root用户密码
 
mysql> ALTER USER 'root'@'localhost' IDENTIFIED BY '123456';
Query OK, 0 rows affected (0.00 sec)
10.使用修改后的密码进行登录
 
D:mysql-5.7.25-win32bin>mysql -u root -p
Enter password: ******
Welcome to the MySQL monitor.  Commands end with ; or g.
Your MySQL connection id is 4
Server version: 5.7.25 Source distribution
Copyright (c) 2000, 2019, Oracle and/or its affiliates. All rights reserved.
Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.
Type 'help;' or 'h' for help. Type 'c' to clear the current input statement.
mysql> show databases;
+--------------------+
| Database           |
+--------------------+
| information_schema |
| mysql              |
| performance_schema |
| sys                |
+--------------------+
4 rows in set (0.00 sec)

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