SQLAdvisor
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输入SQL,输出索引优化建议
索然选择度为1,但是加上索引之后明显效果很好,但是sqladvisor却没有检测出来!很失望
[root@044d01672267 sqladvisor]# sqladvisor -h 192.168.13.17 -u root -p root -P 3 306 -d hb -q "SELECT loanterm,ApproveTerm,inputorgid,businesstype FROM business_ apply WHERE serialno='B00501003011610130001';" -v 1 New state of 'nil' is invalid....
能否离线使用
不连接数据库,单纯的解析SQL
优化建议能否增加表或者视图判断,视图无法添加索引
有a/b/c三张表 create table a (id int auto_increment,seller_id bigint,seller_name varchar(100) collate utf8_bin ,gmt_create varchar(30),primary key(id)); create table b (id int auto_increment,seller_name varchar(100),user_id varchar(50),user_name varchar(100),sales bigint,gmt_create varchar(30),primary key(id)); create table c (id...
insert语句在结果上是最终没有插入数据的,但是在执行过程中是否是“先插入数据到数据库,测试后删除”呢?
` /usr/local/sqlparser/include/sql/item_timefunc.h: In member function ‘virtual longlong Item_time_func::val_int()’: /usr/local/sqlparser/include/sql/item_timefunc.h:533:12: warning: converting to non-pointer type ‘longlong {aka long long int}’ from NULL [-Wconversion-null] return NULL; ` 版本: g++ (GCC) 4.8.5 20150623...