Connect and share knowledge within a single location that is structured and easy to search. For example, using the gCloud tool: If you want to do bulk deletes, then you can use some bash/awk magic. Is your SQL Server running slow and you want to speed it up without sharing server credentials? Code language: SQL (Structured Query Language) (sql) So if you want to drop multiple tables that have a specific pattern in a database, you just use the script above to save time. recently i was wondering how could i just use drop to drop multiple tables with a wildcard..?? Problem: SQL Server 7 using ASP - Using wildcards with Field Names. 3. Join Stack Overflow to learn, share knowledge, and build your career. Data virtualization and data load using PolyBase 2. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Thank you. The DROP TABLE statement allows you to remove multiple tables at the same time. Questions: Im runing mySQL in a server where i need to drop tons of databases (after some testing with the server). > Is it possible to drop multiple tables with SQL on the system tables: > > I tried this: > > DROP TABLE from pg_tables where tablename LIKE 'table_num_%'; > > Which for whatever reason would delete 0 items despite it should have > matched on several. I wouldn't recommend doing this. That seems like one of those esoteric language things that no one uses, like numbered procs. The wildcard characters can be matched with arbitrary parts of the character string. Using wildcards in a table. In Access 2003, is it possible to delete multiple tables using a QUERY? googled it found out that u cant do drop tables with wildcard so now what first what i did was. Well, It is bit tricky because, I had to loop for certain dates and reading some info from a CSV. Understanding the behavior of C's preprocessor when a macro indirectly expands itself, RAM Free decreases over time due to increasing RAM Cache + Buffer, Changing Map Selection drawing priority in QGIS. Making statements based on opinion; back them up with references or personal experience. Is it possible to force drop of mysql tables with FK? To do this, you need to specify a list of comma-separated tables after the DROP TABLE clause as follows: In your code, if you create lots of temporary tables and want to drop all of them at the end, you can make use of this simple tip. How can I play QBasic Nibbles on a modern machine? proc;1 procl;2. T-SQL Rename Multiple Tables Forum – Learn more on SQLServerCentral. I followed the following approach using a Jupyter notebook. SQL query return data from multiple tables. Thanks for your help. if your results are. I was trying to do something like this but it doesn't work: For dataset stats and tables like daily_table_20181017 keeping dates conventions, I would go with simple script and gcloud Command-Line Tool: DDL e.g. In the meantime, you'll need to use the API to delete tables. GO DECLARE @Name NVARCHAR(MAX) DECLARE @SQL NVARCHAR(MAX), DECLARE curProcedures CURSOR FOR SELECT NAME FROM SYS.OBJECTS WHERE NAME LIKE ‘_TEMP_%’ AND TYPE = ‘P’, OPEN curProcedures FETCH NEXT FROM curProcedures INTO @Name WHILE @@FETCH_STATUS = 0 BEGIN SET @SQL = ‘DROP PROCEDURE dbo.’ + QUOTENAME(@Name) EXEC sp_executesql @SQL FETCH NEXT FROM curProcedures INTO @Name END CLOSE curProcedures DEALLOCATE curProcedures GO, DECLARE curTables CURSOR FOR SELECT NAME FROM SYS.OBJECTS WHERE NAME LIKE ‘_TEMP_%’ AND TYPE = ‘u’, OPEN curTables FETCH NEXT FROM curTables INTO @Name WHILE @@FETCH_STATUS = 0 BEGIN SET @SQL = ‘DROP TABLE dbo.’ + QUOTENAME(@Name) EXEC sp_executesql @SQL FETCH NEXT FROM curTables INTO @Name END CLOSE curTables DEALLOCATE curTables GO, good day ,sir g, this query is not working on oracle 11g server,please tell me what should we do in this problem. – Interview Question of the Week #196, Reference: Pinal Dave (https://blog.SQLAuthority.com). 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. the Python client. Does Tianwen-1 mission have a skycrane and parachute camera like Mars 2020? Code language: SQL (Structured Query Language) (sql) In this example, the revenues table does not exist. Is it a bad sign that a rejection email does not include an invitation to apply again in the future? I need to take a dump of a database containing 50 odd tables of which I want to exclude about 15 odd that have prefix exam_. 4. Will Humbled Trader sessions be profitable? I’m essentially creating programming pieces for my overall stored procedure to use, such as logging or other specialized pieces. Lots of developers are not aware that they can do it using single DROP statement. 9. By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy. 7. Two Dimensional Array to Markdown Table Converter Implementation in C#. DROP TABLE using Upsizing Tool, SQL Server 6.0 and DRI. 3. wildcard is drop table statement? All you need to do is replacing the pattern and the database schema in @pattern and @schema variables. SQL LIKE & Wildcard operators – LIKE operator in SQL is used with a WHERE clause to search specific patterns in a table column. In terms of syntax structure, it fits into a boolean expression just as an equalssign normally would: Its functionality is similar too, though by default, LIKEwill match English alphabet characters without regard to capitalization (i.e. The multiple objects drop approach is applicable to all versions of SQL Server. It's not clear there would be much purpose in deleting multiple tables in one operation. wildcard, as well as the newly calculated field S_B1_B2. DROP TABLE MYSCHEMA.TABLE1 DROP TABLE MYSCHEMA.TABLE2 Thanks for contributing an answer to Stack Overflow! It allows you to do partial matching on a string and is a useful feature of SQL. So I realized that I had the possibility to write some t-sql code make this job for me. 2. Google BigQuery - how to drop table with bq command? drop tables with wildcards I am working with MS SQL Server 6.5 and need to find a way, via a … site design / logo © 2021 Stack Exchange Inc; user contributions licensed under cc by-sa. In my database there is a lot of tables starting with _elgg , now I want to drop all tables with this prefix. Why is non-relativistic quantum mechanics used in nuclear physics? She primarily focuses on the database domain, helping clients build short and long term multi-channel campaigns to drive leads for their sales pipeline. Let us create the following three tables to demonstrate dropping multiple tables using a single DROP statement, Now to DROP all of these three tables, you do not need to use three DROP statements, All you need to do is simply use single DROP statement and specify the three table names separated by comma as shown below, That’s it. What's the map on Sheldon & Leonard's refrigerator of? pinal @ SQLAuthority.com, SQL SERVER – New Way to Use DBCC Page in SQL Server 2019. So you have your Whatever_something, Whatever_232, Whatever_blabla, …. But you are right on this. Nupur Dave is a social media enthusiast and an independent consultant. Oracle, SQL Server, MySQL, PostgreSQL). Better to either stay in bash, or go all in with Python. The above query generates drop table statements like drop table tmp_test drop table tmp_emp drop table tmp_data provided there are tables named tmp_test, tmp_test and tmp_data in the database. Prev Next. What do you roll to sleep in a hidden spot? I used the following logic 1. What would justify those road like structures, Postdoc in China. In this article. OrderItems. Can I concatenate multiple MySQL rows into one field?
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