Step 3: Describe a Table Let’s run the“\d”command followed by the table name to see all the columns present in the selected table: \dstaff_details; Step 4: Rename the Column Suppose we have to rename the“staff_location”column to“staff_address”. Execute the“RENAME COLUMN”command...
InPostgreSQL, the“ALTER TABLE”and“ALTER COLUMN”commands, along with theTYPEKeyword, are used to change/modify the data type of a column. For example, integer to character, text to varchar, and so on. InPostgreSQL, we can change the data type of one or more than one column using the...
An executable line of query code in PostgreSQL is called a SQL statement. Statements provide the overall structure and organization for performing actions on a database. You may also refer to a statement as a command; some common SQL commands are SELECT, UPDATE, and DELETE. Clauses a...
update, insert, and delete. In PostgreSQL, explain analyze executes the statement, but instead of returning data, it will provide an execution plan of a query. Explain analysis is critical in PostgreSQL to optimize the query;
Below is the syntax of the update query in PostgreSQL. 1. Update the statement without using where clause Update name_of_table (Table name from which we have modifying row.) SET name_of_column1 = value1 (Value which we have setting to the column.), ...
Recently added to this guide Limitations and considerations of local write forwarding in Aurora PostgreSQL January 8, 2025 What is Aurora? Aurora DB clusters Aurora versions Aurora versioning Aurora DB cluster upgrades Aurora version support Regions and Availability Zones Supported Aurora features by Regio...
PostgreSQLPostgreSQL Unnest In this article, we will describe theunnest()keyword and its uses in PostgreSQL with multiple examples. PostgreSQLunnest ()Functionality In PostgreSQL, you can use an array as a data type. There are also multiple functions related to improving the usability of arrays in...
Scale PostgreSQL via Partitioning: A Dev’s Intro to Hypertables Read more Scale PostgreSQL via Partitioning: A Dev’s Intro to Hypertables Boosting Postgres INSERT Performance by 2x With UNNEST Read more Boosting Postgres INSERT Performance by 2x With UNNEST ...
Inside, you will create a[Unit]section to describe the socket, a[Socket]section to define the socket location, and an[Install]section to make sure the socket is created at the right time: /etc/systemd/system/gunicorn.socket [Unit]
In part two of a two-part blog series, we'll explore durations—or how long things last—in PostgreSQL and YugabyteDB.