MYSQLDUMP TABLE IN SQL FORMAT

MysqlDUMP TABLE IN sql FORMAT


1.What is mysqldump ?
mysqldump is a sql based dump, data is dumped then loaded and all indexes are recreated. During mysqldump, all the tables would be locked and will not be accessible for queries.


2.Create test table doudou01 and doudou02
mysql> select * from doudou01;
+----+
| i  |
+----+
|  2 |
| 22 |
| 35 |
+----+
3 rows in set (0.00 sec)


3.list of mysqldump sql
[root@dbdou02 ~]# mysqldump -pDoudou123! test doudou01
Warning: Using a passWord on the command line interface can be insecure.
-- MySQL dump 10.13  Distrib 5.6.29, for linux (x86_64)
--
-- Host: localhost    Database: test
-- ------------------------------------------------------
-- Server version       5.6.29


## Basic information ##


;
;
;
;
;
;
;
;
;
;


--
-- Table structure for table `doudou01`
--


DROP TABLE IF EXISTS `doudou01`;
;
;
CREATE TABLE `doudou01` (
  `i` bigint(20) NOT NULL AUTO_INCREMENT,
  PRIMARY KEY (`i`)
) ENGINE=MyISAM AUTO_INCREMENT=36 DEFAULT CHARSET=gbk;
;
## create table statement ##
--
-- Dumping data for table `doudou01`
--


LOCK TABLES `doudou01` WRITE;
;
INSERT INTO `doudou01` VALUES (2),(22),(35);
;
UNLOCK TABLES;
;
## export table data to sql-format ##


;
;
;
;
;
;
;


-- Dump completed on 2016-03-18 15:02:09






4.backup using mysqldump
[root@dbdou02 ~]# mysqldump -uroot -p test doudou01 >doudou01.sql
[root@dbdou02 ~]# mysqldump -uroot -p test doudou02 >doudou02.sql
[root@dbdou02 ~]# ls -l doudou*
-rw-r--r--. 1 root root 1866 Mar 21 11:14 doudou01.sql
-rw-r--r--. 1 root root 2102 Mar 21 11:14 doudou02.sql


5.reloading SQL-Format Backups
5.1 use mysqldump other database
mysql> use test1
Database changed
mysql> show tables;
Empty set (0.00 sec)
5.2 source dump.sql
mysql> source doudou01.sql
Query OK, 0 rows affected (0.00 sec)
...


Query OK, 3 rows affected (0.00 sec)
Records: 3  Duplicates: 0  Warnings: 0
...


mysql> source doudou02.sql
Query OK, 0 rows affected (0.00 sec)
...


Query OK, 3 rows affected (0.01 sec)
Records: 3  Duplicates: 0  Warnings: 0
...


5.3 check list reload tables
mysql> show tables;
+-----------------+
| Tables_in_test1 |
+-----------------+
| doudou01        |
| doudou02        |
+-----------------+
2 rows in set (0.00 sec)


mysql> select * from doudou01;
+----+
| i  |
+----+
|  2 |
| 22 |
| 35 |
+----+
3 rows in set (0.00 sec)


mysql> select * from doudou02;
+------------+---------+---------------------+
| country_id | country | last_update         |
+------------+---------+---------------------+
|          1 | doudou  | 2016-03-18 14:47:59 |
|          2 | dba     | 2016-03-18 14:47:59 |
|          3 | nba     | 2016-03-18 14:47:59 |
+------------+---------+---------------------+
3 rows in set (0.01 sec)


6.It's Successly !


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