榜单
服务器优惠
AI论文
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CREATE RESOURCE QUEUE
CREATE RESOURCE QUEUE Synopsis Description Parameters Notes Examples Compatibility See Also CREATE RESOURCE QUEUE Defines a new resource queue. Synopsis CREATE RESOUR... -
Working with File-Based External Tables
Working with File-Based External Tables Working with File-Based External Tables External tables provide access to data stored in data sources outside of HAWQ as if the data wer... -
Working with File-Based External Tables
Working with File-Based External Tables Working with File-Based External Tables External tables provide access to data stored in data sources outside of HAWQ as if the data wer... -
Data Types
Data Types Table 1. HAWQ Built-in Data Types Time Zones Date and Time Configuration Files Polymorphic Types Data Types This topic provides a reference of the data types sup... -
Query Performance
Query Performance How to Investigate Query Performance Issues Data Locality Statistics Number of Virtual Segments Factors Impacting Query Performance General Guidelines Qu... -
Working with Transactions
Working with Transactions Transaction Isolation Levels Working with Transactions This topic describes transaction support in HAWQ. Transactions allow you to bundle multiple S... -
pg_trigger
pg_trigger pg_trigger The pg_trigger system catalog table stores triggers on tables. Note: HAWQ does not support triggers. Table 1. pg_catalog.pg_trigger column type r... -
gp_configuration_history
gp_configuration_history gp_configuration_history The gp_configuration_history table contains information about system changes related to fault detection and recovery operatio... -
Data Types
Data Types Table 1. HAWQ Built-in Data Types Time Zones Date and Time Configuration Files Polymorphic Types Data Types This topic provides a reference of the data types sup... -
Query Performance
Query Performance How to Investigate Query Performance Issues Data Locality Statistics Number of Virtual Segments Factors Impacting Query Performance General Guidelines Qu...