vertica database

Vertica database operations, vertica Database Delete a primary key (the primary key value of the Vertica database is not unique ):SELECT ANALYZE_CONSTRAINTS ('fb _ s. c_log ');Find the key name, and then:Alter table fb_s.c_log dro

1. Introduction to the sample database:Vertica, like a traditional database, comes with a sample database--vmart sample database, which is a multi-schema database. This data is a database that may be used in large supermarkets (Vmart) to access products, customers, employees

Article Title: configure the php environment for accessing the columnar database vertica. Linux is a technology channel of the IT lab in China. Including desktop applications, Linux system management, kernel research, embedded systems, open source, and other basic classification vertica is a column-based database simil

Delete the primary key (the primary key value of the Vertica database is not unique): SELECTANALYZE_CONSTRAINTS (fb_s.c_log); find the key name, and then: keys; SELECTANALYZE_CONSTRAINTS (fb_s.user_info); altertablefb_s. Delete a primary key (the primary key value of the Vertica database is not unique): SELECT ANALYZE_

Label:Need to enter under Vsql: Import: Copy emp from '/tmp/emp.csv ' DELIMITER ', ' ESCAPE as ' \ ' enclosed by ' "' DIRECT EXCEPTIONS '/log file path/log filename. log 'Directly on the server command line where the Vertica is located:vsql-d db Instance-u user name-w password-c "copy corresponding database table from ' file name ' DELIMITER ', '" DIRECT EXCEPTIONS '/log file path/log filename. log '; Such

Label: Delete primary KEY (the primary key value of the Vertica database is not unique):SELECT analyze_constraints (' Fb_s.c_log '); Locate the key name, and then: ALTER TABLE fb_s.c_log DROP CONSTRAINT c_primary; SELECT analyze_constraints (' Fb_s.user_info '); ALTER TABLE fb_s.user_info DROP CONSTRAINT c_primary; Build Users and schemas: CREATE user fb_s_sql identified by ' password ';CREATE SCHEMA Fb_s_s

Delete primary key (the primary key value for the Vertica database is not unique): SELECT analyze_constraints (' Fb_s.c_log '); Locate the key name, and then: ALTER TABLE fb_s.c_log DROP CONSTRAINT c_primary SELECT analyze_constraints (' Fb_s.user_info '); ALTER TABLE fb_s.user_info DROP CONSTRAINT c_primary; Build users and schemas: CREATE user fb_s_sql identified by ' password '; CREATE SCHE

1. Query the database for waitingSELECT * from Resource_queues where node_name= (select Node_name from Nodes order by Node_name limit 1) Order by queue_entr Y_timestamp desc;2. Check the current database execution SQL (included in the queue waiting)3. Resource Pools3.1 Querying the settings of the current resource poolSELECT name, memorysize, Maxmemorysize, priority, Runtimepriority,queuetimeout,runtimeprio

Tags: des http io ar os using Java SP forIntroducedVertica (HP) is a DBMS-based database system suitable for read-intensive analytical database applications, such as data warehouses, and the full name of the white paper is called Verticaanalytic database. As can be seen from the name, Vertica represents its data storag

IntroducedVertica (HP) is a DBMS-based database system suitable for read-intensive analytical database applications such as data warehouses, and the full name of the white paper is called Verticaanalytic database. As can be seen from the name, Vertica represents its data storage is a column, analytic is suitable for an

Tags: des java uses OS io strong data forIntroducedVertica (HP) is a DBMS-based database system suitable for read-intensive analytical database applications such as data warehouses, and the full name of the white paper is called Verticaanalytic database. As can be seen from the name, Vertica represents its data storage

tab, modify its mapping in SQL Server 2012 for types such as Boolean, modify the mappings from bit to Boolean, and the two types of internal make the same modifications.After such modifications, the data tables in the model can use the Vertica unique data type.How to import changesManually modify the mapping of the data type, the procedure is too cumbersome, here is an easy way to import the following files into the types subdirectory of the Datamode

Tags: des style blog io color os ar for SPThe DBD = Database Designer is the primary native tool in the optimization of Vertica databases.First run the AdminTools tool and follow the steps below:1. Select "6 Configuration Menu"2. Select "2 Run Database Designer"3. "Select a database for design"Select the

In the use of the Vertica database, a scenario is encountered in which the program collects data from the cluster in the same area and writes the same table, and then we need to display the data in GMT time. At this point we can provide the time zone conversion function through Vertica to achieve this effect. First look at the

Original article: vertica "error: Too Many Ros containers exist" Recently I encountered a problem when using vertica. After running vertica for a while, it always encountered the following errors. java.sql.SQLException: [Vertica][VJDBC](5065) ERROR: Too many ROS containers exist for the following projections: If you

Vertica "ERROR: Too many ROS containers exist", verticacontainers Original article: Vertica "ERROR: Too many ROS containers exist" Recently I encountered a problem when using Vertica. After running Vertica for a while, it always encountered the following errors. java.sql.SQLException: [

Recently encountered a problem when using Vertica, Vertica after running for a period of time always appear similar to the following error For new files = 10)If you encounter a problem, you have to talk about the Vertica storage mechanism. Vertica writes newly written data to WoS (write optimization) by default,

Environment: RHEL 6.4 + vertica 7.0.0-11. finally confirm the installation of compat-libgfortran-41-4.1.2-39.el6.x86_64.rpm to solve. # rpm -ivh vertica-R-lang-7.0.0-0.x86_64.RHEL5.rpm error: Failed dependencies: /usr/lib64/libgfortran.so.1 is needed by vertica-R-lang-7.0.0-0.x86_64# rpm -ivh compat-libgfortran-41-4.1.2-39.el6.x86_64.rpm warning: compat-li

The characteristics of Vertica can be summed up as follows: Column storage, MPP architecture, technology is relatively new. The columnstore itself facilitates the compression of data, and the MPP architecture makes it possible to scale horizontally to a larger scale (PB-level) with a relatively inexpensive PC-Class Server, which has been available for more than 05 years, enabling it to use newer technologies in recent years in the field of column data

Recently upgraded Vertica to 6.1.3, found that the error code is not complete in the 6.1.x document, or perhaps no update, the following is a complete JDBC error code list below: Com/vertica/dsi/core/impl/jdbcmessages.properties # Format is Key = (nativeerrorcode) message. In all translations of this file, # the (Nativeerrorcode) _must_ is unmodified and _must_ be included. Batch_not_empty = (10000) BATCH