Permalink Posted 29 -May-13 6:23am. Experts Exchange always has the answer, or at the least points me in the correct direction! You'll also need an end statement plus you need to use an execute immediate statement for ddl commands (i.e. PODCAST: "Proving Your Worth in IT" with Certified Expert Sam JacobsListen Now, Select all Examples of SQL DROP TABLE. database_nameIs the name of the database in which the table was created.Windows Azure SQL Database supports the three-part name format database_name. Gain unlimited access to on-demand training courses with an Experts Exchange subscription. This content, along with any associated source code and files, is licensed under The Code Project Open License (CPOL). The DROP DATABASE IF EXISTS, DROP TABLE IF EXISTS, and DROP VIEW IF EXISTS statements are always replicated, even if the database, table, or view to be dropped does not exist on the source. You can try to drop the table before creating it and catch the `ORA-00942: table or view does not exist" exception if it doesn't. (For example, if an abnormal server exit occurs after removal of the table from the storage engine but before removal of … DROP TABLE IF EXISTS `table_name`; This way, if the table doesn't exist, the DROP doesn't produce an error, and the script can continue. Looks like it is a tool specific thing. Before creating temp table, we need to drop if it is exists in the database. That is a totally unnecessary step. All table indexes and domain indexes are dropped, as well as any triggers defined on the table, regardless of who created them or whose schema contains them. If any tables named in the argument list do not exist, DROP TABLE behavior depends on whether the IF EXISTS clause is given: Without IF EXISTS, the statement drops all named tables that do exist, and returns an error indicating which nonexisting tables it was unable to drop. The PURGE option will purge the table and its dependent objects so that they do not appear in the recycle bin. Creating & Dropping Table using DROP TABLE IF EXISTS . Execute a query: Requires using an object of type Statement for building and submitting an SQL statement to drop a table in a seleted database. If you don’t do so, then the DROP VIEW statement will fail in case such constraints exist. @slightv - Didn't work, red squiggly under 'SELECT' on last line, error message, (Unlock this solution with a 7-day Free Trial). DROP TABLE IF EXISTS Example DROP TABLE IF EXISTS #TempTab GO In SQL Server 2014 And Lower Versions. Why can't we drop table variable (@table) using syntax (drop table @table)? In SQL Server if we want to drop a table only if it exists then here's the code: IF EXISTS (SELECT name FROM sys.tables WHERE name='TABLE_NAME') DROP TABLE TABLE_NAME -- The rest of the code goes here Example 2 - Error that occurs when using DROP TABLE without the IF EXISTS clause Check that the target table is not in use, either directly or indirectly—for example, in a view. Oracle Database automatically performs the following operations: All rows from the table are dropped. See Dropping Tables The symbol "begin" was substituted for "SELECT" to continue. do the drop and then capture the exception, and you might want to check out the PURGE option. Our community of experts have been thoroughly vetted for their expertise and industry experience. Examples. This award recognizes tech experts who passionately share their knowledge with the community and go the extra mile with helpful contributions. Clean up the environment: Requires explicitly closing all database resources versus relying on the JVM's garbage collection. Do you need your, CodeProject, Some databases support the SQL drop table if exists feature: MySQL, SQL Server, and PostgreSQL. Oracle stores tables from all owners that you can access. Oracle doesn't really have an "IF EXISTS" or "IF NOT EXISTS" clause for any DDL commands. If you drop and restore a table that is referenced by a view, the new table must have the same name and column definitions. Being involved with EE helped me to grow personally and professionally. Just drop the table and catch the error. In C# (oracle), Update a table from another table in oracle 11g, how to insert given number of empty columns for existing table in oracle. PLS-00103: Encountered the symbol "CREATE" when expecting one of the following: ( begin case declare end exception exit for goto if loop mod, null pragma raise return select update while with, , << continue close current delete fetch lock, insert open rollback savepoint set sql execute commit forall, ... 2 statement(s) executed, 0 row(s) affected, exec/fetch time: 0.071/0.000 sec [1 successful, 0 warnings, 1 errors]. Chances are they have and don't get it. Don't tell someone to read the manual. The risk of specifying the PURGE option is that you will not be able to recover the table. We've partnered with two important charities to provide clean water and computer science education to those who need it most. SQL> desc emp drop unique constraint oracle SQL>CREATE TABLE TECH_TABLE ( Name VARCHAR(50) NOT NULL, Address VARCHAR(15), CONSTRAINT NAME_UK UNIQUE(Name)); Table created. , is licensed under the code Project Open License ( CPOL ), you use the schema_name... 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