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echo on¡¡¡¡
cd c:\Program Files\MySQL\MySQL Server 5.2\bin
mysql -uroot -ppass
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show databases;
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use mysql; //´ò¿ª¿â£¬
show tables;
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describe ±íÃû;
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create database ¿âÃû;
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use ¿âÃû;
create table ±íÃû (×Ö¶ÎÉ趨Áбí);
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drop database ¿âÃû;
drop table ±íÃû;
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delete from ±íÃû;
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select * from ±íÃû;


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SQL #1: select * from uchome_feed where uid in('0',501...) order by dateline desc limit 0,50;
SQL #2: select * from uchome_feed where uid in(0,501...) order by dateline desc limit 0,50;
SQL #1  ÊÇCSDN ¸öÈ˿ռä»ñÈ¡¸öÈ˶¯Ì¬µÄSQL£¬ÊôUCHÔ­°æSQL¡£
SQL #2 ÊÇÈ¥µôµ¥ÒýºÅ(SQL #1ÖкìÉ«²¿·Ö)ºóµÄSQL£¬Á½¸ ......

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½ñÌìÕâô¼¤¶¯ÓÖÏëдÎÄÕµÄÔ­ÒòÊÇMySQL5.1µÄ·¢²¼´øÀ´ÁËÉè¼Æ³¬Ç¿¶¯Á¦Êý¾Ý¿âµÄÇ¿ÓÐÁ¦µÄÎäÆ÷£¬ÈκÎMySQLµÄDBA¶¼Ó¦¸Ã¾¡¿ìѧϰ²¢Ê¹ÓÃËü¡£ÎÒ¾õµÃÈç¹û­ÄܺܺõÎʹÓÃÕâ¸ö5.1°æ´øÀ´µÄÐÂÌØÐÔ£¬DBA¿ÉÒÔʹ×Ô¼º¹ÜÀíµÄVLDB£¨²»ÖªµÀʲôÊÇVLDB£¿¸æËßÄ㣬ÊǺôóºÃ´óµÄÊý¾Ý¿âµÄÒâ˼£¬Very Large DB£©»òÊý¾Ý²Ö¿âÆæ¼£°ãµÄ»ñµÃ¾Þ´óµÄÐÔÄÜÌáÉý ......

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create database name; ´´½¨Êý¾Ý¿â
use databasename; Ñ¡ÔñÊý¾Ý¿â
drop database name Ö±½Óɾ³ýÊý¾Ý¿â£¬²»ÌáÐÑ
show tables; ÏÔʾ±í
describe tablename; ±íµÄÏêϸÃèÊö
select ÖмÓÉÏdistinctÈ¥³ýÖØ¸´×Ö¶Î
mysqladmin drop databasename ɾ³ýÊý¾Ý¿âǰ£¬ÓÐÌáʾ¡£
ÏÔʾµ±Ç°mysql°æ±¾ºÍµ±Ç°È ......

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BatchFile code
+------+--------+-------+
| f_PY | cBegin | cEnd |
+------+--------+-------+
| A | 45217 | 45252 |
| B | 45253 | 45760 |
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| Z | 54481 | 55289 |
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MySQLÓëOracleÊý¾ÝÀàÐÍת»»


MySQL Data Type
Oracle Data Type
BIGINT
NUMBER(19, 0)
BIT
RAW
BLOB
BLOB, RAW
CHAR
CHAR
DATE
DATE
DATETIME
DATE
DECIMAL
FLOAT (24)
DOUBLE
FLOAT (24)
DOUBLE PRECISION
FLOAT (24)
ENUM
VARCHAR2
FLOAT
FLOAT
INT
NUMBER(10, 0)
INTEGER
NUMBER(10, 0)
LONGBLOB
BLOB, RAW
LONGTEX ......
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