SET schema 'schemaName'; The correct translation of 'use databasename;' from mysql to postgreSQL has to consider that in postgreSQL you have also schemas. Usually your connection string has alreday defined the databasename, you have to specify the default schema. After setting the schema nam...
I have PostgreSQL and trying to do something like this to avoid error: if table exists select value from table else select 'NOTABLE'. For example, in SQL Server I do it: IF (EXISTS (SELECT * FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_NAME = 'params')) select cast(par_val as nvarchar(...
[ You might also like:How to Backup and Restore a PostgreSQL Database] pg_restorethe command-line utility allows for excluding one or more schemas when restoring a database from a backup file created bypg_dump. You can use its-Nor--exclude-schemaoption to restore objects in the named sche...
Namely, I want to use the org_label param as the role and schema name but the code below takes it literally and I end up with the role "org_label": create or replace procedure create_org_schema (org_label varchar(63)) -- max identifier len in pgsql is 63 language plpgsql AS $$ ...
Basic SELECT Query to Retrieve Tables Inside INFORMATION_SCHEMA in PostgreSQL A very simple query to get all the tables inside this SCHEMA would be to write something like this. select * from information_schema.tables This would return a table like this. Output: Here you can see all the ta...
Just refer to the PostgreSQL guide to logical replication. That said, what you want is the PostgreSQL plpgsql Trigger "special variables. TG_TABLE_NAME Data type name; the name of the table that caused the trigger invocation. TG_TABLE_SCHEMA Data type name; the name of the schema of the ...
In PostgreSQL, the “\d” command, the “\d+” command, “information_schema”, and the “SELECT *” statements with the “FALSE” option are used to check the table’s structure. The “\d” and “\d+” are meta-commands and must be executed from the “SQL Shell” aka psql. Whil...
In PostgreSQL, the “CREATE” command can be executed with the “VIEW” keyword tocreate a view, as demonstrated in the following syntax: CREATE VIEW name_of_view AS select_query; Here, -“CREATE VIEW” is a command that creates a new virtual table. ...
Finally, test to see if you can communicate with your PostgreSQL database via Laravel: # cd myproject # php artisan migrate:install Migration table created successfully. Installing the default schema Laravel comes with a basic user/password schema for testing and tinkering. To load it, simply ca...
Configure PostgreSQL Source Step 2: Connect PostgreSQL to SQL ServerEstablish a connection to MS SQL Server by providing information about its credentials such as Destination Name, Database Host, Database Port, Database User, Database Password, Database Name and Schema Name. ...