Postgresql insert into table example11/19/2023 ), (expression1 DEFAULT, expression2 DEFAULT. ) VALUES (expression1 DEFAULT, expression2 DEFAULT. Then, enter the table name (tablename) in which you want to input the values along. Use LIMIT to specify top 20 rows, but I think you need to sort them using ORDER BY clause first. Syntax The syntax for the PostgreSQL INSERT statement when inserting record (s) using the VALUES keyword is: INSERT INTO table (column1, column2. First, input the INSERT INTO command to insert the rows in the table. I don't like that nested dblink, but AFAIK I can't reference to tblB in dblink_exec body. 190 I'm not sure if its standard SQL: INSERT INTO tblA (SELECT id, time FROM tblB WHERE time > 1000) What I'm looking for is: what if tblA and tblB are in different DB Servers. If my understanding is correct (postgres has tbla and dbtest has tblb and you want remote insert with local select, not remote select with local insert as above): psql dbtest Usually, the data values will be literals (constants), but scalar expressions are also allowed. INSERT INTO (, .) VALUES (, .I just saw your revised question (closed as duplicate, or just very similar to this). An example command to insert a row would be: INSERT INTO products VALUES (1, 'Cheese', 9.99) The data values are listed in the order in which the columns appear in the table, separated by commas. Use INSERT INTO statement to insert one or more rows into a table in PostgreSQL. Use the INSERT INTO command in conjunction with a SELECT statement to insert existing values from another table. You can make it as prepared statement if you want and it works as well: PREPARE migrate_data (integer) AS There are generally three methods in PostgreSQL with which you can fill a table with data: Use the INSERT INTO command with a grouped set of data to insert new values. PostgreSQL has record pseudo-type (only for function's argument or result type), which allows you query data from another (unknown) table. CREATE TABLE orders ( orderid INT, customerid INT, ordercenter VARCHAR, ordertime timestamp ) CREATE TABLE customers ( customerid INT, lastorderid INT, ordercenter VARCHAR, ordercount INT, lastorder timestamp ) Distribute both the tables on customerid and co-locate them. INSERT INTO tblB (time) VALUES (5000), (2000) ĬREATE TABLE tblA (id serial, time integer) įROM dblink('dbname=dbtest', 'SELECT id, time FROM tblB') For example: psql dbtestĬREATE TABLE tblB (id serial, time integer) As Henrik wrote you can use dblink to connect remote database and fetch result.
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