How to Connect to a PostgreSQL database - Marco Savard© neosapiens
To generate your GraphQL on a PostgreSQL backend viastepzen import postgresql, seeGetting started with a PostgreSQL Databasedocumentation. Extending Your GraphQL API AnyQueryorMutationfield in your StepZen GraphQL schema can be annotated with the@dbquerydirective to connect to a database backend. @...
Managing database connections can easily become a complex task. This is where a feature-rich database client with full PostgreSQL support such asDbVisualizercomes in. From the same tool, you can connect to dozens of database technologies, visually explore their table structure, optimize queries, ...
In PostgreSQL, the database objects are created using the CREATE command. In this write-up, we will discuss how to use the Postgres “CREATE” command for Table, View, Sequence, INDEX, Function, and Tablespace Creation. Case 1: Use the CREATE Command For Table Creation Tables are among the...
A single PostgreSQL server can contain many databases. Let’s explore three different approaches to list databases in PostgreSQL!
CREATE DATABASE example_db; The “example_db” database is created successfully. Step 2: Make a Connection With Database Connect to any database other than the database to be renamed: \c commandprompt; The connection is successfully established with the “commandprompt” database. ...
STEP 4: To connect PostgreSQL database using command line. postgres=# \c orahow You are now connected to database "orahow" as user "postgres". orahow=# STEP 5: Createuserand gran access to new database. postgres=# create user dev_user with encrypted password 'dev_user'; ...
* @return */ public Connection connect() { Connection conn = null; try { conn = DriverManager.getConnection(database_connection_string, database_user_name, database_user_password ); System.out.println("You are successfully connected to the PostgreSQL database server."); } catch (SQLExce...
Security: Kafka can be combined with various security measures like Kerberos to stream data securely. Performance: Kafka is distributed, partitioned, and has a very high throughput for publishing and subscribing to messages. Seamlessly Connect Kafka to PostgreSQL in Just 2 Steps Using Hevo!
As the name suggests, Ora2Pg is used to migrate Oracle objects into PostgreSQL. This tool will connect to an Oracle database and generate SQL scripts that contain table structures and data that can be executed against PostgreSQL. Some of the features include: ...