1 insert 把数据插入到数据表中。 语法: insert into table1 (字段列表) values(值列表) 简单写法: 这种情况可以省略字段列表,但是值列表的其它字段,除了自增长的id,其它的都必须给数据。 insert into table1 values(值列表) 2 批量插入数据 insert into table1(字段列表) values(值列表1),(值列表2)... ...
看完这篇文章你会学习到以下内容: 1. 在创建或者写复杂逻辑时,做好备份 两种方法介绍: 1)INSERT INTO Table SELECT * FROM TABLE 2)CREATE TABLE AS ... ... Select * from TABLE 两者区别: INSERT INTO …
insert overwrite table tablename [partition(partcol1=val1,partclo2=val2)] select_statement; insert into table tablename [partition(partcol1=val1,partclo2=val2)] select_statement; eg: insert overwrite table test_insert select * from test_table; insert into table test_insert select * from tes...
If you are looking for a proper SQL query to insert all rows from one table into another table, theINSERT INTO SELECTstatement can come in handy. It simply copies data from one table and pastes it into another one without affecting the existing records in the target table. INSERT INTO Tab...
INSERT INTO 首先要建立一张表 ,然后才可以插入。 创建表格,根据不同需求更改Select后面的语句 1)Select * from; 2)Select 字段 from; 3) Select * from table where 1=2; CREATE TABLE EMP_NEWGAN AS SELECT * FROM EMP; -- 全部字段一样,表格完全复制过来 ...
插入操作可以使用INSERT INTO ... SELECT ...语句实现。我们可以在SELECT语句中指定要插入的字段和数据来源。 语法如下: INSERTINTOtarget_table(column1,column2,...)SELECTvalue1,value2,...FROMsource_table; 1. 2. 3. 示例代码如下: INSERTINTOtarget_table(id,name)SELECTid,nameFROMsource_table; ...
INSERTINTOtable_name VALUES(value1,value2,value3, ...); Demo Database Below is a selection from theCustomerstable used in the examples: CustomerIDCustomerNameContactNameAddressCityPostalCodeCountry 89White Clover MarketsKarl Jablonski305 - 14th Ave. S. Suite 3BSeattle98128USA ...
short ind; int c1val; EXEC SQL CREATE TABLE T1 (c1 int,c2 int); EXEC SQL INSERT t1 values (1,2); EXEC SQL SELECT c1 INTO :c1val:ind FROM t1 WHERE c2=2; 支持SELECT INTO 二维数组功能 ECOB 支持通过 SELECT...INTO 将SQL 查询结果存储到二维数组。 示例语句如下所示: EXEC SQL create...
四、通过T-SQL创建FileTable目录 这个过程我们分两步: (1)创建一个新目录 INSERTINTOdbo.MyFileTable01(name, is_directory)SELECT'MyDir01',1;selectstream_id,file_stream,name,path_locator,is_directoryfrom[dbo].MyFileTable01; (2)插入一个空白文件到新目录: ...
createTemporaryView("users", dataStream); String insertSql = "insert into fs_table SELECT userId, amount, " + " DATE_FORMAT(ts, 'yyyy-MM-dd'), DATE_FORMAT(ts, 'HH'), DATE_FORMAT(ts, 'mm') FROM users"; tEnv.executeSql(insertSql); 完整的代码请参考 https://github.com/zhangjun0x...