The context is that I am writing a script to send load/insert query to a postgres server to insert rows into an existent table. I read many resources about the topic, about the approach to choose, between “COPY” and multi-valued SELECT query. I want to know what is the maximum query length accepted for a PostgreSQL multi-valued SELECT query ?
Tag: insert
How to solve impala insert with select query error?
i want to insert a row to service_log table with max+1 id value. But this gives me the following error ; How can i solve this problem? Answer This should work with most SQL dialects:
How can I insert into from one table to another with autoincrement in SQL Server
If for example I have these 2 tables in SQL Server: What I am trying to do is to insert the entries from table 1 to table 2, but I want table 2 to autoincrement the Number. So I want it to become like this : I tried queries like this but it didn’t work: Maybe you will suggest to
MariaDB, How to copy existing records using insert?
I have a lot of existing records which I want to copy using an INSERT, for example if I have a query: The common key is biDataset, the primary key in this table is biPK which is auto incremented on each insert. Here is the table structure: What I want to do is copy all the records that exist where
Average per hour adding an empty record if data is missing
I have this data: I need to store the average of each hour in a second table. I don’t know if I can also insert a NULL record if there is no data for an hour, maybe in a second treatment. I have tried with this first treatment but can’t do it. I get an error message and don’t know
sqlite3 INSERT INTO UNION SELECT
Table columns: pk is the auto-incrementing primary key An error occurs when I execute this SQL DB Error: 1 “table table1 has 4 columns but 3 values were supplied” Answer You should explicitly specify which columns in table1 your insert is targeting: When you omit the select list entirely, SQLite will fall back to expecting values for all columns in
How to generate INSERT Statements with Subqueries in Oracle SQL Developer?
I need to move some data from Environment A to Environment B. So far, so easy. But some of the columns have FK Constraints and unfortunately the lookup data is already on Environment B and has different PKs. Lucky me, there are other unique columns I could do a mapping on. Therefore I wonder if SQL Developer has an export
Check for overlapped dates on any row of a table Oracle SQL
I have the following schema: CREATE TABLE EPOCA ( ID INT CONSTRAINT PK_EPOCA PRIMARY KEY, NOME VARCHAR(250), DATA_INI DATE CONSTRAINT NN_EPOCA_DATA_INI NOT NULL, …
Use the value of an attribute from another table as a default value of an attribute from another table in MYSQL
I wanted to use the value on student_lastname in table tbl_student as a default value of sis_password in table tbl_sis_account but I am out of idea on how to do it. I tried putting “Select query” after the “Default” but it doesn’nt work, anyway here’s the sql: Answer I’ve figured the solution for this problem, for a while now. Forgot
How to update row by id using case?
Is it possible to update by id other row values? I try like this But nothig.. UPDATE era SET id = CASE WHEN id = 3 THEN gender = ‘Female’–or maybe it is possible to call insert command here? …