1. 简单的select映射 <mapper namespace="com.mybatis3.mappers.StudentMapper"> <select id="findStudentById" parameterType="int" resultType="Student"> select stud_id as studId, name, email, dob from Students wher…
hive建表语句DML:https://cwiki.apache.org/confluence/display/Hive/LanguageManual+DDL#LanguageManualDDL-CreateTable 创建表: hive> CREATE TABLE pokes (foo INT, bar STRING); Creates a table called pokes with two columns, the first being an integer and…