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What Does the TO_JSONB() Function Do in PostgreSQL

In PostgreSQL, the TO_JSONB() is a built-in JSON function that accepts any SQL value as an argument and converts it to JSONB format.

How ROW_TO_JSON() Function works in PostgreSQL

In PostgreSQL, the ROW_TO_JSON() is a built-in JSON function that accepts any valid SQL composite type value and converts it into a JSON object.

How Does the TO_JSON() Function Work in PostgreSQL?

In PostgreSQL, the TO_JSON() is a built-in JSON function that accepts any SQL value as an argument and converts it to JSON format.

How to Use CUME_DIST Function in PostgreSQL

In PostgreSQL, the CUME_DIST() function retrieves the cumulative distribution of a value for the given set of values.

What Does ENUM_LAST() Function Do in PostgreSQL?

The ENUM_LAST() is a built-in function in Postgres that retrieves the last value of the enum specified by the parameter.

How to Use ENUM_FIRST() Function in PostgreSQL

The ENUM_FIRST() is a built-in function in Postgres that retrieves the first value of the enum specified by the parameter.

How Does the JSON_BUILD_OBJECT() Function Work in PostgreSQL

The JSON_BUILD_OBJECT() function is used to create and retrieve a JSON object from a variadic parameter list of key-value pairs.

How to Use JSON_BUILD_ARRAY() Function in PostgreSQL

The JSON_BUILD_ARRAY() is a built-in JSON function that creates and retrieves a JSON array of different types from a variadic parameter list.

How to Use the ARRAY_TO_JSON() Function in PostgreSQL

The array_to_json() is a built-in JSON function that accepts a SQL array as an argument and converts it into a JSON array.

How to Exit Postgres' Command Line Utility (SQL Shell)

In PostgreSQL, various methods are used to exit the Postgres command line utility, such as the “\q” or “\quit” commands, and “CTRL + C”, “CTRL + D”, or “CTRL + Z” shortcut keys.