The concept of cursor is very important for the database. Cursor enables a more flexible manipulation of data, returningcursor
Description: Attach the action of computing expression to a cursor and return the original cursor. Syntax: cs.(x) Note: cursor, expression
Here’s how to use cursor() function.cursor
Description: Connect to Amazon DynamoDB. Syntax: dyna_open(dyna_url,region) dyna_open(dyna_url,region) Access local Dyconnect,dynamodb,cursor
Description: Execute the get command and return a table sequence or a cursor. Syntax: es_get(fd, endpoint, entity，headerexecute get,table sequence,cursor
Description: Execute the post command and return a table sequence or a cursor. Syntax: es_post(fd, endpoint, entity，headexecute post,table sequence,cursor
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: List the fragmentation information of a specified table with cursors. Syntax: ifx_cursor(ifxconn, sql; k1:kcursor, fragmentation information
Description: Return records in a Consumer topic as a table sequence. Syntax: kafka_poll (fd, timeout,[partition1, partitget records,table sequence,cursor