To insert data into the table Employee using a select query on another table Employee_old use the following:-. Copy the data from one table to another in Hive Copy the table structure in Hive. hive> INSERT INTO TABLE Names_part PARTITION(state='PA') > SELECT EmployeeID, FirstName, Title, Laptop FROM Names_text WHERE state='PA'; ... OK. We can even add multiple records into the table in a similar way. But you don’t want to copy the data from the old table to new table. It can update target table with a source table. Now we can run the insert query to add the records into it. The following are the two types of tables in the hive . After loading, we could find the new table loaded with the selected data. This matches Apache Hive … The INSERT OVERWRITE syntax replaces the data in a table. However, with the help of CLUSTERED BY clause and optional SORTED BY clause in CREATE TABLE statement we can create bucketed tables. In this tutorial, I am going to use Product table and inserting records into product table via native query with HQL. MERGE is like MySQL’s INSERT ON UPDATE. 1. Also as the entire data gets inserted at one go hence this is way faster than dynamic partition. The following listing shows you how it’s done. The INSERT clause generates delta_0000002_0000002_0000, containing the row … Hive However, the data I'm trying to insert is actually coming from SQL Server. The semantics are different based on the type of the target table: Hive SerDe tables: INSERT OVERWRITE doesn’t delete partitions ahead, and only overwrites those partitions that have data written into it at runtime. You assign null values to columns you do not want to assign a value. The backup table is created successfully. Please refer to the below link to understand it clearly. CREATE TABLE test _acid (key int, value int) PARTITIONED BY (load_date date) CLUSTERED BY(key) INTO 3 BUCKETS STORED AS ORC TBLPROPERTIES ('transactional'='true'); After creating the table will insert some records into a transaction table. you … Instead of specifying static values for static partitions, Hive also supports dynamically giving partition values. Code language: SQL (Structured Query Language) (sql) In this syntax: First, specify the name of the table (table_name) that you want to insert data after the INSERT INTO keywords and a list of comma-separated columns (colum1, column2, ....Second, supply a list of comma-separated values in a parentheses (value1, value2, ...) after the VALUES keyword. The SQL INSERT INTO Statement. We can refer to the path of the file as below. Let us verify whether the inserted data looks good. We can load result of a query into a Hive table. It lets you execute mostly unadulterated SQL, like this: CREATE TABLE test_table ( key string, stats map < string, int > ); The map column type is the only thing that doesn’t look like vanilla SQL here. Your email address will not be published. The Hive INSERT INTO syntax will be as follows. We will use the SELECT clause along with INSERT INTO command to insert data into a Hive table by selecting data from another table. In this post, let us discuss the internal tables and their loading ways. Dynamic partitions provide us with flexibility and create partitions automatically depending on the data that we are inserting into the table. First, copy data into HDFS. In order follow along with this how-to guide you will need the following: 1. I'm trying to read the data from the file and then insert each row into the following HIVE Table: CREATE TABLE mm2_claim_dataload_vl_test (intrnl_clm_nbr BIGINT , inv_prd VARCHAR(7) , Different Approaches for Inserting Data Using Static Partitioning into a Partitioned Hive Table. Insert data into Hive tables from queries. move this file into your HDFS. INSERT INTO TABLE tablename1 [ PARTITION (partcol1 = val1, partcol2 = val2...)] select_statement1 FROM from_statement; 1.2 Examples Example 1: This is a simple insert command to insert a single record into the table. Input Files :-Suppose we have 2 departments – HR and BIGDATA. Create table in Hive. Dynamic Partitioning In Hive. INSERT INTO TABLE tablename1 [PARTITION (partcol1=val1, partcol2=val2 ...)] (z,y) select_statement1 FROM from_statement; Hive extension (multiple inserts): FROM from_statement.