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In SQL Server, SET NOCOUNT ON; is a command used to stop the message that shows the number of rows affected by a Transact-SQL statement from being ret
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posted @ 2025-12-29 19:32
ZhangZhihuiAAA
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https://learn.microsoft.com/en-us/sql/linux/quickstart-install-connect-docker?view=sql-server-ver16&preserve-view=true&tabs=cli&pivots=cs1-powershell
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posted @ 2025-12-29 15:49
ZhangZhihuiAAA
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In modern Hadoop environments like your 3.4.2 setup, there is functionally no difference between the two commands when interacting with HDFS. However,
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posted @ 2025-12-28 21:37
ZhangZhihuiAAA
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https://hive.apache.org/docs/latest/admin/adminmanual-metastore-3-0-administration/ You can find an E/R diagram for the metastore here. Download Stand
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posted @ 2025-12-28 21:26
ZhangZhihuiAAA
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https://hive.apache.org/docs/latest/admin/adminmanual-installation/ frank@ZZHPC:~/download$ wget https://dlcdn.apache.org/hive/hive-4.2.0/apache-hive-
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posted @ 2025-12-28 18:31
ZhangZhihuiAAA
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In AI development, a data pipeline is the "nervous system" of the application. While a traditional data pipeline (ETL) is often a linear path ending i
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posted @ 2025-12-28 16:06
ZhangZhihuiAAA
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https://hadoop.apache.org/docs/stable/hadoop-project-dist/hadoop-common/SingleCluster.html Prerequisites frank@ZZHPC:~$ sudo apt install ssh frank@ZZH
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posted @ 2025-12-28 10:26
ZhangZhihuiAAA
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Why did the Flink tables I created disappear after restarting the Flink cluster? Flink SQL> SHOW TABLES; Empty set The reason your Flink tables disapp
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posted @ 2025-12-28 09:46
ZhangZhihuiAAA
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MATCH_RECOGNIZE is a powerful ANSI SQL standard feature (introduced in SQL:2016) used for Complex Event Processing (CEP). It allows you to search for
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posted @ 2025-12-27 21:36
ZhangZhihuiAAA
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Flink SQL> CREATE TABLE bounded_pageviews ( > url STRING, > ts TIMESTAMP(3) > ) > WITH ( > 'connector' = 'faker', > 'number-of-rows' = '500', > 'rows-
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posted @ 2025-12-26 15:33
ZhangZhihuiAAA
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