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What is PL pgSQL?
PL/pgSQL (Procedural Language/PostgreSQL) is a procedural programming language supported by the PostgreSQL ORDBMS. It closely resembles Oracle’s PL/SQL language. The design of PL/pgSQL aimed to allow PostgreSQL users to perform more complex operations and computations than SQL, while providing ease of use.
What is body in Postgres?
The function body is simply a string literal so far as CREATE FUNCTION is concerned. It is often helpful to use dollar quoting (see Section 4.1. 2.4) to write the function body, rather than the normal single quote syntax.
Do loops PostgreSQL?
PostgreSQL – For Loops
- For loop to iterate over a range of integers. The syntax of the for loop statement to iterate over a range of integers:
- For loop to iterate over a result set. The syntax of the for loop statement to iterate over a result set of a query:
- For loop to iterate over the result set of a dynamic query.
Who invented PL SQL?
Donald D. Chamberlin
Raymond F. Boyce
SQL/Designed by
Do begin in Postgres?
PostgreSQL BEGIN command is used to initiate a transaction. A transaction is nothing but a unit of work done in the database, the work can be anything from creating tables to deleting them. BEGIN command should be the first word of a transaction.
How do I run an anonymous block in PostgreSQL?
To execute a block from pgAdmin, you click the Execute button as shown in the following picture: Notice that the DO statement does not belong to the block. It is used to execute an anonymous block. PostgreSQL introduced the DO statement since version 9.0.
How do you break a loop in PL SQL?
The EXIT statement breaks out of a loop. The EXIT statement has two forms: the unconditional EXIT and the conditional EXIT WHEN . With either form, you can name the loop to be exited. For more information, see “Controlling Loop Iterations: LOOP and EXIT Statements”.