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sqoop import to hive

sqoop import to hive

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Hive build database and data import Export

index column in the HDFs file.The principle is to obtain data accurately by recording the offset of the index column in HDFs, avoiding full-table scanning Hive Table Update and delete data (the table must have transaction properties enabled to support Update and delete): How to import hive data: A. Importing from a local file system A table in se

DB2 Export data and import into hive staging table

Operation:1. Export data from DB2 to TXT2. Change the delimiter in the file to ":"3. Create a new table in hive (you need to set a delimiter when building a table)4. Import data--------1. Export data from DB2 to TXTDb2-x "Select Col1,col2,col3 from tbl_name where xxx with ur" >filename.txt2. Change the delimiter in the file to ":"Cat Filename.txt | awk ' {print $ ': ' $ $ ': ' $ >filename1.txt} '3. Create a

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