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/tmp/ccBBJEB8.o: In function `ping_sql':
pingsql.c:(.text+0x7c): undefined reference to `mysql_init'
pingsql.c:(.text+0xe1): undefined reference to `mysql_real_connect'
pingsql.c:(.text+0xff): undefined reference to `mysql_close'
pingsql.c:(.text+0x119): undefined reference to `mysql_connect'
pingsql.c:(.text+0x198): undefined reference to `mysql_real_escape_string'
collect2: ld ·µ»Ø 1
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#gcc -o pingsql pingsql.c -lmysqlclient -I/usr/local/mysql/include/mysql/ -L/usr/local/mysql/lib/mysql
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`ids` int(10) default NULL,
`c` char(1) default NULL,
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mysql> show variables;
mysql> show variables;
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mysql> show global status;
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mysql> show variables like '%slow%';
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use mysql
update user set Password=password('newpassword') where User='root';
flush privileges;
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