Response 0 row(s) affected, 1 warning(s): 1051 Unknown table 'school. SQL Statement DROP TABLE IF EXISTS school.nothing For example, it is possible to add several columns and/or alter the type of several columns in a single command. Since, the table is not present, the query responds with a warning. All the forms of ALTER TABLE that act on a single table, except RENAME, SET SCHEMA, ATTACH PARTITION, and DETACH PARTITION can be combined into a list of multiple alterations to be applied together. We execute the DELETE TABLE IF EXISTS query/statement and observe the result. The specified table is not present in the database. In this example, we try to delete a table nothing from the database school. DROP TABLE removes constraints that exist on the. Response 0 row(s) affected Negative Scenario If you are trying to empty a table of rows, without removing the table, use the DELETE or TRUNCATE command.
SQL Statement DROP TABLE IF EXISTS school.students The database and the table in it are present. In this example, we try to delete a table students from the database school. SQL DROP TABLE IF EXISTS Query to drop the table table_name from the schema schema_name present in the database database_name is DROP TABLE IF EXISTS database_name.schema_name.table_name Įxamples DROP TABLE IF EXISTS _players ĭROP TABLE IF EXISTS Examples Positive Scenario Oracle does not provide IF EXISTS clause in the DROP TABLE statement, but you can use a PL/ SQL block to implement this functionality and prevent from errors. Syntax: Parameters: IF EXISTS Do not throw an error if the table does not exist. SQL DROP TABLE IF EXISTS Query to drop the table table_name from the schema schema_name is DROP TABLE IF EXISTS database_name.table_name Įxamples DROP TABLE IF EXISTS school.baseball_players ĭROP TABLE IF EXISTS organization.employees DROP TABLE IF EXISTS from Specified Schema in Specific Database
SQL DROP TABLE IF EXISTS Query to drop the table table_name from the schema schema_name is DROP TABLE IF EXISTS schema_name.table_name Įxamples DROP TABLE IF EXISTS athletes.baseball_players ĭROP TABLE IF EXISTS shipping.employees DROP TABLE IF EXISTS from Specified Database SQL DROP TABLE IF EXISTS Query to drop the table table_name is DROP TABLE IF EXISTS table_name Įxamples DROP TABLE IF EXISTS baseball_players ĭROP TABLE IF EXISTS employees DROP TABLE IF EXISTS from Specified Schema Name of the database in which the specified schema or table exists. Name of the schema in which the table exists. Name of the table which has to be dropped. The syntax of a SQL DROP TABLE IF EXISTS statement is DROP TABLE IF EXISTS table_name ĭROP TABLE IF EXISTS schema_name.table_name ĭROP TABLE IF EXISTS database_name.table_name ĭROP TABLE IF EXISTS database_name.schema_name.table_name
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