metadata scrubber

1: Install configuration MySQL yum install MySQL mysql-server Service mysqld Startmysqladmin-u root password newpassword mysql-u root-plog in to MySQLmysql>grant All privileges on * * to ' root ' @ '% ' with GRANT OPTIONMyslq>flush Privileges2: Configure Hive-site.xmlDownload a hive installation package, compress and copy the Conf directory under Hive-default.xml.template to spark_home/conf, and rename it to Hive-site.xmlModify 4 Important attributes:1:javax.jdo.option.connectionurljdbc:mysql:/

A friend with WCF might have the problem of using svcutil.exe to generate Proxy and config, or adding a reference using the Add Service reference, and what exactly is the metadata of the WCF service that is deployed. Or in other words, the URL parameter of the svcutil, and the address that adds the service reference, exactly what should be filled in. Here I use the two most commonly used binding methods, Wshttpbinding and NetTcpBinding, respectively,

Error CS0006 Metadata file ' e:\ desktop temporary files \pos\xxxx.dll '1. Find this class library in the current class library right-click on the application to find--"change the assembly name to the name of the prompt error2. Locate the *.csproj file under the current class library right-click Edit to change the following node to the same name as above3, if there are the following nodes on the modification of no need to modifyChange intoRight-click

an ORM Metadata sample two, the root element 1. The root element of the configuration used to fill in the hibernate mapping. 2. Configure the properties of the root element package Package property: Fill in a package name. You can use simple class names directly within an element if you want a property with a full class name. fill in the package where the entity class residesthree, class element 1. Function: Configure the corresponding

procedure for the call is as follows: SELECT * FROM OPENROWSET (' SQLOLEDB ', ' Jszg '; ' Sa '; ' 6162900 ', ' Execute zgerp. D_sel_bj_xcl ' ckid= ' ', ' ', ' ', ', ', 0 ' as a The results are: Server: Message 7355, Level 16, State 1, line 1 OLE DB Provider ' SQLOLEDB ' provides inconsistent metadata for the column. The name was changed while executing. OLE DB error tracking [non-interface error:ole DB provider returned different names for a column:

;prepare ($query); My $count = $sth->execute (); printf "%d rows were affected\n", (defined ($count)? $count: 0); PHP instance: In PHP, call the Mysql_affected_rows () function to find out how many rows of query changes: $result _id = mysql_query ($query, $conn _id); # 0 Rows If the query failed $count = ($result _id mysql_affected_rows ($conn _id): 0); Print ("$count rows were affected\n"); Tables and database listings (list): It is easy to list all the databases and ta

A simple DDL operation (with little table data, high access) executes long enough to cause waiting for table metadata lock. Version: mysql5.5.17 View: Innodb_buffer_pool_pages_free = 0 FIX: Set global innodb_stats_on_metadata=0 View Ding Boss Blog: original http://dinglin.iteye.com/blog/1575840 The problem comes from a "bizarre phenomenon" that Lengzhi students encounter during testing. 1. Testing Phenomenon The test library has a lot of data, but a

thanks to the original author link : https://www.cnblogs.com/ZhiXing-Blogs/p/4895396.html Why do you want to customize the metadata? Because every time the index to a location, nothing to see, feel very high-end. Actually, No. Steps : A: New VS2015 project,. NET framwork version Temporarily select the Low 3.5 bar (header title bar), and then create a [class library] (not a Class), you can remove the namespace, so that the import of unity does

Org.apache.hadoop.util.RunJar.main (runjar.java:160) caused by: Java.lang.RuntimeException:Unable to instantiate org.apache.hadoop.hive.metastore.HiveMetaStoreClient at Org.apache.hadoop.hive.metastore.MetaStoreUtIls.newinstance (metastoreutils.java:1412) at Org.apache.hadoop.hive.metastore.retryingmetastoreclient.Workaround: Hive--service metastore, use this command to start hive. 5.2 Configuring Hive.metastore.urisA. Do not start metastore and Hiveserver servicesDirect command line hive enter

Label:ioarjavaforsp Data onbsad Publiclist To get the metadata for the SQL query result set column based on the SQL query

0. Cause analysis:"Hibernate's thread pool connection has caused the database-type mode of the locked database not to be modified"1. turn off all of Hibernate's thread pools (opt out of the IDE or any other option)2. View the locked process id:show full processlist3. Kill the process Id:kill + ID4. Commit the transaction that caused the data source to be locked: commit or ROLLBACKMySQL solution when database data source is locked (Table Metadata Lock)

Download the hive installation package to unzip on any machine on a Hadoop clusterMySQL JDBC driver copied to Hive's lib directoryhive-env.shhadoop_home=/opt/modules/hadoop-2.2.0Modify Hive-site.xmlOther reference articles:http://blog.itpub.net/28929558/viewspace-1192693/This article is from the "thick, thin hair, ax" blog, please be sure to keep this source http://tianxingzhe.blog.51cto.com/3390077/1711884Hive installs MySQL as metadata

table Category: Jdbcdemo table schema: null table name: Users column name: ID PRIMARY key: 1 primary Key Name: PRIMARY (2) resultsetmetadata: packagejavase.jdbc;importjava.sql.connection;import Java.sql.preparedstatement;importjava.sql.resultsetmetadata;importjava.sql.sqlexception;public classresultsetmetadatademo{publicstaticvoidmain (String[]args) { stringsql= "Selectid,username,password,classidfromusers"; Connectionconnection=jdbcconnection.getconnection ();try{preparedstatement Pstatem

store large amounts of binary data, such as video, audio, files, and so on.Only one external LOB type, the bfile type, is currently supported. Within a database, this type stores only the location information of the data in the operating system, while the entity of the data exists in the file system of the operating system as an external file. Thus, the data represented by the type is read-only and does not participate in transactions. This type helps users to manage a large number of files acc

Syscolumnsgoselect * from Sysobjectsgoselect sys.sysuserperm.user_name + '. ' + Sys.systable.table_name + '. ' + Sys.syscolumn.column_name from Sys.systable, Sys.syscolumn, Sys.sysuserperm WHERE sys.systable.table_id = sys.syscolumn.table_id and Sys.systable.creator = sys.sysuserperm.user_id and Sys.sysuserperm.user_name not in ( ' SYS ', ' dbo ') and Sys.systable.table_name ' pbcat% ' ORDER by Sys.sysuserperm.user_name, sys.systable. TABLE_NAME, Sys.syscolumn.column_idGOSELECT B.nam

' "+this.connInfo.db+" '------"); string[]types={"TABLE"};rs=meta.gettables (null,null, "%", types) ; system.out.println (This.gettablesdetail ("Tablelist", rs)); }finally{ Closeresultset (RS);} //try{//print Drop script for all foreign keys of the library System.out.println ("-------print alltableforeignkeysdropscriptsinthisdatabase ' "+this.connInfo.db+" '------"); string[]types={"TABLE"};rs=meta.gettables (null,null, "%", types) ; NBSP;COLLECTALLTABLEFK (Rs,meta); }finally{closeresultset (R

sample , the non-persisted parameter innodb_stats_sample_pages is not valid at this time.Starting from 5.6.6 , use non-persisted statistics:1.set innodb_stats_persistent=0;2.create|alter table stats_persistent=0;To open a single table:Create|alter table ... stats_persistent [=] {default|0|1}DEFAULT : The table's statistics are persisted by the parameter innodb_stats_persistent. \Summary: Starting from5.6.6 , either turn on the statistics persistence or use the previous non- persisted, and choos

Tags: des blog http io file data sp onMethod 1, Restore LabelonlyMethod 2, RESTORE HEADERONLYMethod 3, RESTORE FilelistonlyMethod 4, Restore Verifyonly--------------------------------------------------------------------------------------------------------------- -----------------------------------------Backup Database Studioto disk = ' E:\Studio.bak 'WithMediaName = ' This is MediaName ',MediaDescription = ' This is Mediadescryption ',Name = ' This is name ',Description = ' This is description '

2010-01-02, but the actual release time was slightly early 2009-12-31.You are confidently typing with confidence:UPDATE NEWS2010 　　 SET = ' 2009-12-31 ' WHERE = 12345　　At run time, suddenly think, this data becomes an invalid data, it should be deposited in NEWS2009 this table. Update is useless, you must add it to the NEWS2010 and then delete this piece of data.　　4. To ensure uniquenessThe split data, whose primary key is unique in the table of all years, if you want to move a piece of data

with a data type of sql_variant, which is a variant. Common Property attribute values Property value Description return value Tablehastextimage Whether the table contains text, image columns Int 1 represents true 0 for false Tablehasprimarykey Whether the table contains a primary key Int 1 represents true 0 for false Tablehasindex Whether the table contains an index Int 1 represents true 0 for