In PostgreSQL,jsonbis a data type used to store JSON (JavaScript Object Notation) data in a more efficient and optimized binary format. It is an extension of the json data type. jsonb stands forJSON binary. It
In PostgreSQL, built-in functions like pg_database_size(), and pg_relation_size() are used to get the database and table size respectively. The pg_size_pretty() function can be used with the collaboration of the pg_database_size(), pg_relation_size() to present the database/table si...
SUMMARY: This article discusses table partitions, the benefits of using them to increase performance, and the types of partitions that can be used in PostgreSQL. With huge data being stored in databases, performance and scaling are two main factors that are affected. As table size increases with...
Basic SELECT Query to Retrieve Tables Inside INFORMATION_SCHEMA in PostgreSQLA 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:...
How to Drop a Column in PostgreSQL? You have to follow the below-given syntax to drop a column using theALTER TABLEcommand inPostgreSQL: ALTERTABLEtbl_nameDROPcol_name; - Here, theALTER TABLEcommand/statement is used to drop a column from a table. ...
In this article, we will learn how to create a table in PostgreSQL. I am going to explain the following topics: The syntax of the CREATE TABLE statement and the options that we can use while creating it The column and table constraints are supported by PostgreSQL ...
PostgreSQL as a Service (PGaaS) is a specific form of Database as a Service (DBaaS) that enables users to easily create, manage, and use Postgres databases in the cloud. Various cloud service providers offer PGaaS options, including AWS with RDS for Postgres, Microsoft's Azure Dat...
Learn how to find slow queries in PostgreSQL using logs and metrics. Tutorial on how to check for and fix performance issues to speed up your database.
plpgsql_yyparseprocesses plpgsql statements. In short words, it could extract sql related structure from the plpgsql statements. In this context, it extracts three sql expressions, SELECT * FROM orders c.id c.total All of them are passed tocheck_sql_expr. If you want to quickly find how plp...
Modify existing rows in a table. Remove existing rows from a table. DML Statement Types INSERT UPDATE DELETE INSERT Statement You can add new rows to a table by using the INSERT statement: Syntax INSERTINTOtable[(column[,column...])]VALUES(value[,value...]); ...