When working with the partition you can also specify to overwrite only when the partition exists using the IF NOT EXISTS option. INSERT OVERWRITE is used to replace any existing data in the table or partition and insert with the new rows. You can also use examples from 1 to 4 to insert into the partitioned table, remember when using these approaches you would need to have the partition column as the last column.īesides these you can also Load file into Hive partitioned table.
INSERT INTO zipcodes PARTITION(state) VALUES
Here it’s mandatory to keep the partition column as the last column. INSERT INTO zipcodes PARTITION(state='FL') VALUESĮxample 6: Another example to insert data into Hive partition. You need to specify the PARTITION optional clause to insert into a specific partition.Įxample 5: This example appends the records into FL partition of the Hive partitioned table. To explain INSERT INTO with a partitioned Table, let’s assume we have a ZIPCODES table with STATE as the partition key. SELECT statement on the above example can be any valid select query for example you can add WHERE condition to the SELECT query to filter the rows. INSERT INTO employee_tmp SELECT * FROM employee Here I have created a new Hive table and inserted data from the result of the select query. Since we are not inserting the data into age and gender columns, these columns inserted with NULL values.Įxample 4: You can also use the result of the select query into a table.
Mysql syntax insert value how to#
The Hive INSERT INTO syntax will be as follows.Įxample 1: This is a simple insert command to insert a single record into the table.Ġ: jdbc:hive2://> INSERT INTO employee VALUESĮxample 2: This examples inserts multiple rows at a time into the table.Įxample 3: Let’s see how to insert data into selected columns. Hive first introduced INSERT INTO starting version 0.8 which is used to append the data/records/rows into a table or partition. Beginner Advanced Level SQL Interview Questions 1.
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