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https://hive.apache.org/docs/latest/language/languagemanual-windowingandanalytics/ Windowing functions LEAD LAG FIRST_VALUE LAST_VALUE The OVER clause
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posted @ 2026-01-15 10:31
ZhangZhihuiAAA
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To apply ORDER BY, SORT BY, CLUSTER BY, DISTRIBUTE BY or LIMIT to an individual SELECT, place the clause inside the parentheses that enclose the SELEC
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posted @ 2026-01-15 10:01
ZhangZhihuiAAA
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In Apache Hive, xpath refers to a family of built-in User-Defined Functions (UDFs) used to parse and extract data from XML strings. Since Hive is desi
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posted @ 2026-01-15 09:50
ZhangZhihuiAAA
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https://hive.apache.org/docs/latest/language/languagemanual-lateralview/ Lateral view is used in conjunction with user-defined table generating functi
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posted @ 2026-01-15 09:40
ZhangZhihuiAAA
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https://hive.apache.org/docs/latest/language/languagemanual-udf/ Built-in Functions Mathematical Functions Collection Functions Type Conversion Functi
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posted @ 2026-01-14 20:22
ZhangZhihuiAAA
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In Hive, what file formats support ACID? In Hive, the file formats that support ACID (Atomicity, Consistency, Isolation, Durability) transactions depe
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posted @ 2026-01-14 18:02
ZhangZhihuiAAA
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In the dynamic partition inserts, users can give partial partition specifications, which means just specifying the list of partition column names in t
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posted @ 2026-01-14 17:41
ZhangZhihuiAAA
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Indexing Is Removed since 3.0 There are alternate options which might work similarily to indexing: Materialized views with automatic rewriting can res
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posted @ 2026-01-14 17:16
ZhangZhihuiAAA
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CREATE TABLE events ( event_id BIGINT, event_date DATE, event_type STRING ) WRITE LOCALLY ORDERED BY event_date DESC STORED BY ICEBERG STORED AS ORC;
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posted @ 2026-01-14 16:56
ZhangZhihuiAAA
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A HiveQL Macro is a way to define a reusable logic fragment (a "mini-function") within a Hive session using standard Hive SQL expressions. Think of it
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posted @ 2026-01-13 20:42
ZhangZhihuiAAA
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