| eq_ref | PRIMARY | PRIMARY | 8 | mysql.tbl.tablespace_id | 1 | 100.00 | Using index | | 1 | SIMPLE | stat NULL | const | PRIMARY | PRIMARY | 388 | const,const | 1 | 100.00 | Using index | +---+---+---+---+---+---+---+---+---+---+---+---+ 6 ...
#安装mysql8.0rpm-ivh mysql80-community-release-el7.rpm &>nullecho$?yum-yinstallmysql-community-server &>nullecho$?#启动数据库 systemctl start mysqldecho$?#查询mysql初始密码p=`grep-i'password'/var/log/mysqld.log |awk'{print $313}'`echo$?#脚本执行最后,会打印mysql初始root密码 3、修改root...
实现MySQL AES_ENCRYPT函数带盐 - 对字段值做加密处理 在MySQL中,AES_ENCRYPT函数本身不包含盐的功能。 盐(salt)是一个随机生成的值,用于增加加密的复杂性和安全性。在使用盐时,需要确保每次加密都使用不同的盐值,并将盐值与加密后的数据一起存储。解密时,需要将盐值与加密后的数据一起使用,以正确还原原始数据...
elsif ( $command eq"status") { print"Checking the Status of the script.. OK \n"; exit0; }else{ &usage(); exit1; } } sub start_vip() { `ssh $ssh_user\@$new_master_host \"$ssh_start_vip \"`;} # A simple system call that disable the VIP on the old_master sub stop_vip...
simple:表示查询中不包含子查询或者 union primary:当查询中包含任何复杂的子部分,最外层的查询被标记成 primary derived:在 from 的列表中包含的子查询被标记成 derived subquery:在 select 或 where 列表中包含了子查询,则子查询被标记成 subquery union:两个 select 查询时前一个标记为 PRIMARY,后一个标记为 UN...
mysql-proxy-0.8 BranchesTags Code Repository files navigation README License MySQL Proxy 0.8 This is a release of MySQL Proxy, a simple program that sits between your client and MySQL server(s) that can monitor, analyze or transform their communication. For the avoidance of doubt, this particula...
routing_guidelines::rpn::Context, Rpl_acf_status_configuration, rules_table_service::Cursor, SE_cost_constants, Server_cost_constants, Simple_cstring, String, Sys_var_bit, ut::Sharded_bitset< SHARDS_COUNT >, ut_hash_interface_t, ut_lock_free_hash_t, WaitableVariable< ValueType >, xid_t ...
File Name What Name Stands For Size Comment Inside File --- --- --- --- pars0pars.c Parsing/Parsing 45,376 SQL parser pars0grm.c Parsing/Grammar 62,685 A Bison parser pars0opt.c Parsing/Optimizer 31,268 Simple SQL Optimizer pars0sym.c Parsing/Symbol Table 5,239 SQL parser symbol...
Despite its powerful features, MySQL is simple to set up and easy to use. Below are some instructions to help you get MySQL up and running in a few easy steps. We also explain how to perform some basic operations with MySQL using the mysql client. Notes The following instructions do ...
调度方式:系统支持基于cron表达式的定时调度和手动调度。命令类型支持:启动工作流、从当前节点开始执行、恢复被容错的工作流、恢复暂停流程、从失败节点开始执行、补数、定时、重跑、暂停、停止、恢复等待线程。 其中恢复被容错的工作流和恢复等待线程两种命令类型是由调度内部控制使用,外部无法调用 ...