dumping data for table

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Dumping table structure and data

Mysqldump, dumping table structure and dataUtility to dump a database or a collection of database for backup or for transferring the data to another SQL Server (not necessarily a MySQL Server ). the dump will contain SQL statements to create the table and/or populate the table.Using mysqldump, you can copy the

Database problems encountered using Phalcon development tools "Table ' XXX ' doesn ' t exist in database when dumping meta-data for XXX"

Use the Phalcon development tool to generate the program framework from the command lineSet up the config.php, when the database to read, save data when there is a problem "Table ' XXX ' doesn ' t exist in database time dumping meta-data for XXX"Notice that there is also a statement "Array to string conversion" above,

Mysqldump export Error "Mysqldump:error 2013:lost connection to MySQL server during query when dumping table ' file_storage ' at row : 29 "

recommendation is to check the value of max_allowed_packet. Then change it to be as large as possible. I check the current value information as follows: mysql> show global variables like ‘max_allowed_packet‘; +--------------------+-----------+ | Variable_name | Value | +--------------------+-----------+ | max_allowed_packet | 268435456 | +--------------------+-----------+ 1 row in set (0.00 sec) You can see that the current value is already 200M, the explanation should

Character Set problems during Oracle Data dumping

Http://www2.ccw.com.cn/02/0224/c/0224c05_1.asp Character Set problems during Oracle Data dumping Wang quanhai, Northeastern University, Qinhuangdao Branch As an Oracle database user, there is no stranger to the export and import commands, because these two commands are often used by us.Tools for data backup and recovery. However, Oracle Character Set

Table operations-Create Table-delete table-Modify Table Name-Modify column name and data type-delete/Add primary key-Add a column at the end of the table-View table structure

table if exists's ', 'XX', 'cc '; -- Modify the table name Rename table student to bbs_student; Alter table bbs_student rename student; Alter table bbs_student Rename to student; -- Modify the column name and Data Type Alter

Hive data Import-data is stored in a Hadoop Distributed file system, and importing data into a hive table simply moves the data to the directory where the table is located!

transferred from: http://blog.csdn.net/lifuxiangcaohui/article/details/40588929Hive is based on the Hadoop distributed File system, and its data is stored in a Hadoop Distributed file system. Hive itself does not have a specific data storage format and does not index the data, only the column separators and row separators in the hive

Trigger-when table 1 inserts data, Table 1 inserts data into table 2, and trigger inserts data.

Trigger-when table 1 inserts data, Table 1 inserts data into table 2, and trigger inserts data. -- Trigger Learning ALTER trigger name on table 1For insertAsBeginIf (select count (1) f

"Bi thing-the art of data" understanding Dimension Data Warehouse-fact table, dimension table, aggregation table

The original: "Bi thing-the art of data" understanding Dimension Data Warehouse-fact table, dimension table, aggregation tableFact tableIn a multidimensional data warehouse, a table that holds a detailed value or fact for a measur

"Bi thing-the art of data" understanding Dimension Data Warehouse-fact table, dimension table, aggregation table

Fact tableIn a multidimensional data warehouse, a table that holds a detailed value or fact for a measure is called a fact table. A fact table that stores sales and sales by state, product, and month has 5 columns that are conceptually similar to the following example. Sate Product Mouth Un

The stored procedure looks up the contents of the table to match the corresponding data in another table, inserting the data that the table finds into another table

Use [Database]GOSET ANSI_NULLS onGOSET QUOTED_IDENTIFIER ONGOCREATE proc [dbo]. [Table name]AsBeginDECLARE @Keyword varchar (max), @strs varchar (max)--Declaring cursorsDeclare mtf_cursor Cursor for select distinct Keyword from Keywords where flag=4--Open cursorOpen Mtf_cursorFETCH NEXT from Mtf_cursor to @Keyword-moves the cursor down by 1 rows to get the data into the previously defined variable @ @Keywor

MySQL simple operation for tables and tables-insert data-delete primary key-delete table-Modify table data-delete table data

content in the student tableSELECT * FROM Student--5. Delete Table StudentDROP TABLE student;--6. Modify the table's dataUPDATE student SET sname= ' John Doe ', saddress= ' Xuchang ' WHERE sid=1; --where is the condition for modifying that piece of dataUPDATE student SET sname= ' Harry ', saddress= ' Beijing ' WHERE sid=6; --where is the condition for modifying that piece of

Data table replication statements in MySQL (Table structure, table data)

1. Copy table structure and data to new table CREATE Table New Table SELECT * from old tableThis method copies all the contents of the oldtable, and of course we can delete them with the delete from newtable. But one of the worst aspects of this approach is that the new

SQL stored procedure instance--dynamically copy data from one table to another table based on table data

Tags: end col insert signed cut Sig EFI mit nbsp Dynamically copy data from one table to another table based on table data Copy the track table records to the corresponding track_ according to the mac_id two digits. In the

Mysql-Mysql stored procedure: collects data in Table A, and generates dynamic columns in Table B (Status Table) data rows.

Table A has A field primary key, ID, name, and evaluation score. Table B has A field primary key, key, and description. the evaluation score corresponds to the key. then Table B is A status table (for example, there are data rows: Satisfied, general, negative rating) current

Shell script to delete the data table and empty the contents of the data table (save table structure)

A, delete all data tables for the specified database#!/bin/bash# Delete all tables in MySQL # example: # Usage:./Script user Password dbnane# Usage:./script User Password Dbnane server-ip# Usage:./script user Password Dbnane mysql.nixcraft.inch# ---------------------------------------------------Muser=" $"Mpass=" $"MDB=" $"Mhost="localhost" [ "$4"!=""] mhost="$4"# Set command path MySQL=$(whichMySQL) AWK=$(which awk) GREP=$(which grep) # Helpif[! $#-

Create a trigger in table A of database A and insert data into table A to transfer data to a table in B database

Label:EXEC sp_addlinkedserver @server = ' cqq ',--the server alias that was accessed (habitually using the target server IP directly, or taking an individual name such as JOY) @srvproduct = ' ms ', @ Provider= ' SQLOLEDB ', @datasrc = ' '--the server to be accessed EXEC sp_addlinkedsrvlogin @rmtsrvname = ' cqq ',-- The server alias being accessed (if the alias joy is used in the sp_addlinkedserver above, Joy is also here) @useself = ' false ', @locallogin =null, @rmtuser = ' S

Million data records in Table A and hundreds of data records in database B. query all data in Table A with B conditions.

Problem: the problem is: Table A140 contains 350 million pieces of data, and table B temporary table contains pieces of data. Now I use such a query statement: select * fromAwhereexists (select1fromBwhereB. batchnoA. batchno) Table

Oracle Learning II: Table Management (data type, create/modify table, add/modify/delete data, data query)

Management of 1.Oracle Tables Naming conventions for table and column names: Must start with a letter; Length cannot exceed 30 characters; Cannot use Oracle's reserved words; Use only the following characters: A-Z, A-Z, 0-9, $, # etc. Data types supported by Oracle: Character type Char fixed length maximum of 2000 characterschar (four)----' Little Han ' before the descr

Cascade of two bootstrap-table. A table displays the relevant data by clicking on a row of this table, passing the corresponding ID, and refreshing the other table.

Two sheets of code (I use the plugin, you can go online directly download http://issues.wenzhixin.net.cn/bootstrap-table/):Divclass= "Container"style= "float:left;width:500px;height:341px"> DivID= "Toolbar"> ButtonID= "Remove"class= "Btn Btn-danger"Disabled=""> Iclass= "Glyphicon glyphicon-remove">I>DeleteButton> Div> TableID= "Table"

Summary: C # winform calls SQL2000 to compare the old table data with the new table data, add the data differently, and use the progress bar to show the lessons and experiences of the progress.

This time, the old database has about 0.3 million records. I did this for the first time and didn't think too much about the efficiency. This was implemented with the help of a friend. It took about two hours to complete the process (CPU: Sai Yang 3.06, memory: 1.5 GB, environment: vs2005 + SQL2000), haha! Experience 1: Do not laugh when executing SQL statements. Before coming in, I don't know how to execute multiple SQL statements. This may be a common problem for many interns. To implement t

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