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  1. stackoverflow.com › questions › 24488730Drop table if exists in PostgreSQL database - Stack Overflow

    30 Ιουν 2014 · I am trying to drop table if it is exists in the present working database of PostgreSQL. For which I am trying the following query. Example: var1 := 'IF EXISTS (select * from INFORMATION_SCHEMA.TABLES WHERE name = ''Table_'|| Suffix ||''') then DROP TABLE Table_'||Suffix||''; execute var1; But getting error near IF.

  2. database.guide › drop-table-if-exists-example-in-postgresqlDROP TABLE IF EXISTS Example in PostgreSQL - Database.Guide

    5 Ιαν 2022 · In PostgreSQL, we can use the IF EXISTS clause of the DROP TABLE statement to check whether the table exists or not before dropping it. Example. Here’s an example to demonstrate: DROP TABLE IF EXISTS t1; That statement drops a table called t1 if it exists.

  3. www.slingacademy.com › article › how-to-drop-a-table-in-postgresql-if-it-existsHow to Drop a Table in PostgreSQL if It Exists - Sling Academy

    4 Ιαν 2024 · To avoid this, PostgreSQL provides a way to conditionally drop a table using the IF EXISTS clause: DROP TABLE IF EXISTS table_name; Using the EXISTS Condition. You can also check for the existence of a table using a subquery with the EXISTS keyword.

  4. www.postgresql.org › docs › currentPostgreSQL: Documentation: 17: DROP TABLE

    26 Σεπ 2024 · DROP TABLE [ IF EXISTS ] name [, ...] [ CASCADE | RESTRICT ] Description. DROP TABLE removes tables from the database. Only the table owner, the schema owner, and superuser can drop a table. To empty a table of rows without destroying the table, use DELETE or TRUNCATE.

  5. www.baeldung.com › sql › drop-table-if-existsDropping a Database Table if It Exists in SQL - Baeldung

    7 Σεπ 2024 · In this tutorial, we’ll learn how to combine the DROP TABLE and IF EXISTS to ensure the drop statement is executed only if the table in question exists. Furthermore, we’ll explain and demonstrate the use of these statements in SQL.

  6. dba.stackexchange.com › questions › 228331postgresql - disable warning from `drop table if exists` - ...

    When I DROP a table with the IF EXISTS clause (in PostgreSQL 11.x), it issues a warning as follows: => DROP TABLE IF EXISTS tt; NOTICE: table "tt" does not exist, skipping Sometimes, I do expect that certain tables to not exist, and don't want to see many warnings like these in the output of a batch processing function/script.

  7. www.baeldung.com › sql › drop-column-if-existsUsing ALTER to Drop a Column Only if the Column Exists in SQL -...

    19 Αυγ 2024 · Dropping a column in SQL can sometimes be necessary when updating the structure of a database. However, attempting to drop a column that doesn’t exist can lead to errors. In this tutorial, we’ll explore how to use the ALTER TABLE statement to drop a column only if it exists in PostgreSQL, MySQL, and SQL Server.