How to set up a new ODBC source for PostgreSQL?
To set up a new ODBC data source for PostgreSQL: Install the latest PostgreSQL ODBC drivers: Download the latest 64 bit driver installer (zipped msi file) from the psqlodbc download site. Unzip the file. Open the 64 bit ODBC Administrator: Windows 10 (64 bit version) supports 32 and 64 bit ODBC sources — always use the 64 bit ODBC Administrator.
How to disable triggers in PostgreSQL batch delete?
You have a few options. The best option is to run a batch delete so that triggers are not hit. Disable the triggers before deleting, then re-enable them. This saves you a very large amount of time. For example: ALTER TABLE tablename DISABLE TRIGGER ALL; DELETE …; ALTER TABLE tablename ENABLE TRIGGER ALL;
How to add on delete Cascade constraints in PostgreSQL?
It only takes foreign table name / column name, drops current key and replaces with new one. Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question.
What causes a delete to be slow in PostgreSQL?
Slow DELETEs are almost always caused by missing indexes on foreign keys that directly or indirectly reference the table being deleted from.
What does it mean to switch databases in PostgreSQL?
Switching between databases is another way of saying you are closing one connection and opening another. When you need to change between databases, you’ll use the “connect” command, which is conveniently shortened to c, followed by the database name.
Where to find the database in PostgreSQL 9.4?
The location of the entire data directory can be obtained by running SHOW data_directory. in a UNIX like OS (eg: Mac) /Library/PostgreSQL/9.4/data Go inside the base folder in the data directory which has all the database folders: /Library/PostgreSQL/9.4/data/base Find the database folder name by running (Gives an integer.
Do you need to change schema in PostgreSQL?
As mentioned in the other answers, you need to change connection to use a different database. Postgres works with schemas. You can have multiple schemes in a single database. So, if you’re working within the same database, and want to change schema, You can do: This is wrong. This will only change the schema used in the search path.