ThinkETL
ThinkETL
February 26, 2025 at 05:56 AM
Theย ๐‚๐Ž๐๐˜ ๐ˆ๐๐“๐Žย command in Snowflake is a powerful tool for efficiently loading data from staged files into database tables. Key features include: โ„๏ธ ๐‘ญ๐’๐’†๐’™๐’Š๐’ƒ๐’๐’† ๐‘ญ๐’Š๐’๐’† ๐‘ฏ๐’‚๐’๐’…๐’๐’Š๐’๐’ˆ:ย  Supports loading from internal and external stages. โ„๏ธ ๐‘ญ๐’Š๐’๐’† ๐‘ญ๐’๐’“๐’Ž๐’‚๐’• ๐‘บ๐’–๐’‘๐’‘๐’๐’“๐’•:ย  Works with CSV, JSON, AVRO, ORC, PARQUET, and XML formats. โ„๏ธ ๐‘ซ๐’‚๐’•๐’‚ ๐‘บ๐’†๐’๐’†๐’„๐’•๐’Š๐’๐’ & ๐‘ป๐’“๐’‚๐’๐’”๐’‡๐’๐’“๐’Ž๐’‚๐’•๐’Š๐’๐’:ย  Allows selecting specific columns and applying transformations during load. โ„๏ธ ๐‘ท๐’‚๐’•๐’•๐’†๐’“๐’ ๐‘ด๐’‚๐’•๐’„๐’‰๐’Š๐’๐’ˆ & ๐‘ญ๐’Š๐’๐’† ๐‘บ๐’†๐’๐’†๐’„๐’•๐’Š๐’๐’:ย  Enables loading specific files usingย ๐๐€๐“๐“๐„๐‘๐ย orย ๐…๐ˆ๐‹๐„๐’ย options. โ„๏ธ ๐‘ฌ๐’“๐’“๐’๐’“ ๐‘ฏ๐’‚๐’๐’…๐’๐’Š๐’๐’ˆ:ย  Provides multiple strategies likeย ๐‚๐Ž๐๐“๐ˆ๐๐”๐„,ย ๐’๐Š๐ˆ๐_๐…๐ˆ๐‹๐„, andย ๐€๐๐Ž๐‘๐“_๐’๐“๐€๐“๐„๐Œ๐„๐๐“. โ„๏ธ ๐‘ฝ๐’‚๐’๐’Š๐’…๐’‚๐’•๐’Š๐’๐’ ๐‘ด๐’๐’…๐’†:ย  Allows checking file integrity before loading usingย VALIDATION_MODE. โ„๏ธ ๐‘ด๐’†๐’•๐’‚๐’…๐’‚๐’•๐’‚ ๐‘ด๐’‚๐’‘๐’‘๐’Š๐’๐’ˆ:ย  Maps metadata columns (e.g., filename, row number) usingย ๐ˆ๐๐‚๐‹๐”๐ƒ๐„_๐Œ๐„๐“๐€๐ƒ๐€๐“๐€. โ„๏ธ ๐‘ท๐’†๐’“๐’‡๐’๐’“๐’Ž๐’‚๐’๐’„๐’† ๐‘ถ๐’‘๐’•๐’Š๐’Ž๐’Š๐’›๐’‚๐’•๐’Š๐’๐’:ย  Includes options likeย ๐’๐ˆ๐™๐„_๐‹๐ˆ๐Œ๐ˆ๐“,ย ๐…๐Ž๐‘๐‚๐„, andย ๐Œ๐€๐“๐‚๐‡_๐๐˜_๐‚๐Ž๐‹๐”๐Œ๐_๐๐€๐Œ๐„. โ„๏ธ ๐‘ญ๐’Š๐’๐’† ๐‘ด๐’‚๐’๐’‚๐’ˆ๐’†๐’Ž๐’†๐’๐’•:ย  Supports automatic file removal from stages usingย ๐๐”๐‘๐†๐„. Checkout the complete article for complete details: https://thinketl.com/data-load-using-copy-into-command-in-snowflake #thinketl #snowflake #snowflakedatacloud #cloud #dataloading

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