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C:\Users\Administrator>mysql -uroot -p Enter password: **** Welcome to the MySQL monitor. Commands end with ; or \g. Your MySQL connection id is 8 Ser 阅读全文
posted @ 2025-02-12 00:45
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提交读 准备工作： create database test; drop table test.read_committed; create table test.read_committed(number int, text varchar(15)); 1.更改隔离级别 窗口一： set sess 阅读全文
posted @ 2025-02-11 01:31
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[root@master ~]# pig -x local SLF4J: Class path contains multiple SLF4J bindings. SLF4J: Found binding in [jar:file:/usr/local/src/hadoop/share/hadoop 阅读全文
posted @ 2025-02-08 05:30
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C:\Users\Administrator>mysql -uroot -p Enter password: **** Welcome to the MySQL monitor. Commands end with ; or \g. Your MySQL connection id is 10 Se 阅读全文
posted @ 2025-02-08 05:20
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1.版本对应 spark与scala版本对应：https://mvnrepository.com/artifact/org.apache.spark/spark-core spark版本：spark-3.5.4-bin-hadoop3.tgz 2.下载 curl https://downloads. 阅读全文
posted @ 2025-02-05 10:35
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C:\Users\Administrator>scala Welcome to Scala 2.11.12 (Java HotSpot(TM) 64-Bit Server VM, Java 1.8.0_421). Type in expressions for evaluation. Or try 阅读全文
posted @ 2025-02-03 22:45
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C:\Users\Administrator>mysql -uhadoopguide -p Enter password: *********** Welcome to the MySQL monitor. Commands end with ; or \g. Your MySQL connecti 阅读全文
posted @ 2025-02-03 22:36
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C:\Users\Administrator>scala Welcome to Scala 2.11.12 (Java HotSpot(TM) 64-Bit Server VM, Java 1.8.0_421). Type in expressions for evaluation. Or try 阅读全文
posted @ 2025-02-03 10:03
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1.下载 curl https://dlcdn.apache.org/pig/pig-0.17.0/pig-0.17.0.tar.gz -o /opt/software/pig-0.17.0.tar.gz 2.解压 tar -zxvf /opt/software/pig-0.17.0.tar.gz 阅读全文
posted @ 2025-02-03 09:56
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C:\Users\Administrator>mysql -uhadoopguide -p Enter password: *********** Welcome to the MySQL monitor. Commands end with ; or \g. Your MySQL connecti 阅读全文
posted @ 2025-02-03 09:31
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