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罗祥 2019-04-29 17:44:53 +08:00
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notes/Hive常用DML操作.md
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@ -75,8 +75,8 @@ LOAD DATA INPATH "hdfs://hadoop001:8020/mydir/emp.txt" OVERWRITE INTO TABLE emp
### 2.1 语法
```sql
INSERT OVERWRITE TABLE tablename1 [PARTITION (partcol1=val1, partcol2=val2 ...)
[IF NOT EXISTS]] select_statement1 FROM from_statement;
INSERT OVERWRITE TABLE tablename1 [PARTITION (partcol1=val1, partcol2=val2 ...) [IF NOT EXISTS]]
select_statement1 FROM from_statement;
INSERT INTO TABLE tablename1 [PARTITION (partcol1=val1, partcol2=val2 ...)]
select_statement1 FROM from_statement;
@ -281,9 +281,6 @@ DELETE FROM emp_ts WHERE empno=2;
<div align="center"> <img src="https://github.com/heibaiying/BigData-Notes/blob/master/pictures/hive-emp-ts-2.png"/> </div>
## 五、查询结果写出到文件系统
### 5.1 语法