cursor 相关的搜索结果 共有17个


Description: Connect to Albaba Cloud and return result as a cursor. Syntax: ali_open (ali_url,user,password,dbname)   Noconnect to alibaba cloud,cursor


Description: Query data and return result as a cursor or a table sequence. Syntax: ali_query(ali_open, tableName, keyNamquery data,cursor


Description: Evaluate the expression with each member in the cursor. Syntax: cs.(x)   cs.() Retrun cs itself Note: The fcursor,expression


Here’s how to use cursor() function.cursor

The Concept of Cursor

The concept of cursor is very important for the database. Cursor enables a more flexible manipulation of data, returningcursor


Description: Connect to Amazon DynamoDB. Syntax: dyna_open(dyna_url,region,AccessKey,SecretKey)   Note: The external libconnect,dynamodb,cursor

Accessing a (multi-zone) composite table

The f. open() function is used to open a composite table saved as a file:   A B 1 =file("D:/file/dw/employees.ctx")   2 composite table,access,create,attach,cursor,icursor,index,joinx


Description: Query a HBase database and return result as a cursor or a table sequence. Syntax: hbase_scan(client,tableNaquery,hbase database,cursor,table sequence


Description: Create a Hive database connection. Syntax: hive_open(hdfsUrl,thriftUrl,dbname,hdfsUserName) Note: This extecreate,hive database,external library function,cursor


Description: Query a Hive database and return the result as a cursor. Syntax: hive_cursor(con,sql) Note: This external lquery,hive database,cursor