C++ MySQL Sql syntax error while syntax is correct - Stack

Drop Tables with Wildcard - Databases - SitePoint Forums

SELECT CONCAT ( DROP TABLE , GROUP_CONCAT (TABLE_NAME) ) AS stmt FROM information_schema.TABLES WHERE TABLE_SCHEMA = my_db AND TABLE_NAME LIKE __temp_%; It generates a stmt like. DROP TABLE.. Answers: The principle of the answer by scraimer is correct, but since the question was about dropping a database not a table in a database, the correct command should be: mysql -u your_username -p'your password' -e 'show databases' | grep Whatever_* | xargs -I @@ mysql -u your_username -p'your password' -e DROP database \`@@\`

SELECT ' DROP DATABASE [' + NAME + ']' FROM sys.sysdatabases where name like 'PREFIX%' Copy the output and execute this to drop Databases in your criteria. You can also schedule this on a daily basis with a little tweaking \dt can support wildcards: so you can run \dt myPrefix* for example, to select only the tables you want to drop; after CTRL-SHIFT-DRAG to select then CTRL-SHIFT-C to copy the text; in vim, go to INSERT MODE and paste the tables with CTRL-SHIFT-V SELECT 'DROP TABLE ' || TABLE_NAME || ';' FROM USER_TABLES WHERE TABLE_NAME LIKE 'YOURTABLEPREFIX%' Or if you want to remove the constraints and free up space as well, use this: SELECT 'DROP TABLE ' || TABLE_NAME || ' cascade constraints PURGE;' FROM USER_TABLES WHERE TABLE_NAME LIKE 'YOURTABLEPREFIX% The DROP TABLE statement removes a table and its data permanently from the database. In MySQL, you can also remove multiple tables using a single DROP TABLE statement, each table is separated by a comma (,). The TEMPORARY option allows you to remove temporary tables only. It ensures that you do not accidentally remove non-temporary tables

Drop MySQL databases matching some wildcard? - ExceptionsHu

  1. You can use INFORMATION_SCHEMA TABLES table to find tables you want, here is documentation: http://dev.mysql.com/doc/refman/5./en/tables-table.html. TABLES table has column NAME which represents names of tables. After finding table names you can run any sql queries you like
  2. Mysql Drop Tables Like Wildcard Uncategorized October 29, 2018 Elcho Table 0 Sql like logical operator introduction sql tutorial 23 the like operator mysql like condition javatpoint sql like operator tutorialPics of : Mysql Drop Tables..
  3. DROP TABLE [wildcard?] View as plain text. I've read the book, the manual, and used Google. Is it not possible to drop several tables at a time using wild cards? Something like this: mysql> DROP TABLE test_%; Which should drop all tables that begin with test_. This syntax does not work
  4. I'm using mySQL 5.1.34 GPL. I actually found the following: DROP table where table like 'jos_%'; which worked sortof - it seemed to freeze the database and I had to go out and go back in but - it.
  5. No, the wildcard for table names can only be *, and does not permit other characters or patterns. You could generate the 18 GRANT statements you need: SELECT CONCAT('GRANT SELECT,INSERT,UPDATE,DELETE ON prod.`', TABLE_NAME, '` TO;') FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA = 'prod' AND TABLE_NAME LIKE 'vs\_%'
  6. SQL HOME SQL Intro SQL Syntax SQL Select SQL Select Distinct SQL Where SQL And, Or, Not SQL Order By SQL Insert Into SQL Null Values SQL Update SQL Delete SQL Select Top SQL Min and Max SQL Count, Avg, Sum SQL Like SQL Wildcards SQL In SQL Between SQL Aliases SQL Joins SQL Inner Join SQL Left Join SQL Right Join SQL Full Join SQL Self Join SQL Union SQL Group By SQL Having SQL Exists SQL Any.

Drop database in SQL Server using wildcard - Stack Overflo

sql - How to drop multiple tables in PostgreSQL using a

  1. At 19:22 -0700 8/8/04, William BC Crandall wrote: >I've read the book, the manual, and used Google. > >Is it not possible to drop several tables at a time >using wild cards? Nope. > >Something like this: > >mysql> DROP TABLE test_%; > >Which should drop all tables that begin with test_. >This syntax does not work. Does any? -- Paul DuBois, MySQL Documentation Team Madison, Wisconsin, USA.
  2. Local Temporary Tables: The name of this type of temporary table starts with a single # hashtag symbol, and they are solely visible on the created session. If the session which has created the local temporary table is closed, the temporary table will be dropped automatically by SQL Server
  3. To remove a table in MySQL, use the DROP TABLE statement. The basic syntax of the command is as follows: DROP [TEMPORARY] TABLE [IF EXISTS] table_name [, table_name] [RESTRICT | CASCADE]; Let's break down the syntax: The DROP TABLE statement deletes a table and its rows permanently. The [TEMPORARY] option ensures you remove temporary tables only. The [IF EXISTS] option drops a table only if.
  4. Tagged with: drop table, mysql, prefix, wildcard. 8 comments on MySQL - Delete/Drop all tables with specific prefix Chris Dean says: October 16, 2012 at 5:36 pm Excellent Write-up, Thanks a lot. Reply. Andru says: January 24, 2013 at 6:46 pm in extension to your post, this is a bash script that covers foreign key checks, group_concat limit and selective tables, one liner . mysql.
  5. A wildcard table enables you to query multiple tables using concise SQL statements. A wildcard table represents a union of all the tables that match the wildcard expression. Wildcard tables are available only in standard SQL. For equivalent functionality in legacy SQL, see Table wildcard functions
  6. Code language: SQL (Structured Query Language) (sql) The LIKE operator is used in the WHERE clause of the SELECT, DELETE, and UPDATE statements to filter data based on patterns.. MySQL provides two wildcard characters for constructing patterns: percentage % and underscore _.. The percentage ( %) wildcard matches any string of zero or more characters. The underscore ( _) wildcard matches any.
  7. MySQL Wildcards. The wildcards in MySQL are characters that allow us to search complex data from the table very easily and quickly. It works with string by substituting one or more characters and produce the result after matching the string into the table

SQL HOME SQL Intro SQL Syntax SQL Select SQL Select Distinct SQL Where SQL And, Or, Not SQL Order By SQL Insert Into SQL Null Values SQL Update SQL Delete SQL Select Top SQL Min and Max SQL Count, Avg, Sum SQL Like SQL Wildcards SQL In SQL Between SQL Aliases SQL Joins SQL Inner Join SQL Left Join SQL Right Join SQL Full Join SQL Self Join SQL. We have already discussed about the SQL LIKE operator, which is used to compare a value to similar values using the wildcard operators. SQL supports two wildcard operators in conjunction with the LIKE operator which are explained in detail in the following table

If you remove a user, all privileges the user has been granted are revoked. This is also true in MySQL if you use DROP USER. See Section, DROP USER Statement. In standard SQL, when you drop a table, all privileges for the table are revoked. In standard SQL, when you revoke a privilege, all privileges that were granted based on. In my earlier post, SQL SERVER - How to DELETE Multiple Table Together Via SQL Server Management Studio (SSMS)?I showed you how to DROP Statement multiple tables together using a wizard in SQL Server Management Studio (SSMS). Lots of developers are not aware that they can do it using single DROP statement

If the table is partitioned, the statement removes the table definition, all its partitions, all data stored in those partitions, and all partition definitions associated with the dropped table. Dropping a table also drops any triggers for the table. DROP TABLE causes an implicit commit, except when used with the TEMPORARY keyword drop tables with wildcards. drop tables with wildcards . Author Message; Garth Well #1 / 2 . drop tables with wildcards. The system store procedure sp_help will return table reference names. I would create a sp, based upon the code in sp_help, that places the reference names in a cursor and then loop through the cursor and drop all references. *** Quote: > I am working with MS SQL Server 6.5.

studio - sql drop multiple tables wildcard . What is the best way to delete all of a large table in t-sql? (5) We've run across a slightly odd situation. Basically there are two tables in one of our databases that are fed tons and tons of logging info we don't need or care about. Partially because of this we're running out of disk space. I'm trying to clean out the tables, but it's taking. drop Table - Wildcard. Das Langzeitarchiv für HomeMatic . Moderator: Co-Administratoren. 2 Beiträge • Seite 1 von 1. muellerjm Beiträge: 91 Registriert: 13.11.2018, 10:21 Hat sich bedankt: 7 Mal Danksagung erhalten: 3 Mal. drop Table - Wildcard. Beitrag von muellerjm » 13.01.2020, 14:48 Wie muss ein SQL Statement o. Script aussehen um Wildcards in Drop Table zu verwenden. Ich möchte z.B. MySQL Forums Forum List create and alter to create or drop tables. GRANT SELECT,INSERT,UPDATE,DELETE,CREATE,DROP,ALTER ON `t\_%`.* TO 'Test' IDENTIFIED BY 'password'; But doing this, i also grant them to create or drop any db beginning by 't_'. Is this a way to give DROP and CREATE TABLE wihtout giving DROP and CREATE DATABASE privilege ? Thks for your help. Navigate: Previous Message. You can now list the tables of the database. SHOW TABLES; Delete tables from MySQL database. DROP TABLE [IF EXIST] [table 1], [table 2], [table n]; It is a good idea to use the 'IF EXISTS' option, to avoid errors if you are trying to drop a table that does not exists in the database. Replaces 'table 1', 'table 2' and so on, for the table names.

If you are unable to connect to mysql using someuser@'%' where '%' is the wildcard for the hostname, then make sure you don't have ''@localhost entry in your user table. Confirm using the following SQL statement: mysql> SELECT * FROM user WHERE user='' AND host='localhost' Simple select statement * is the wildcard character used to select all available columns in a table. When used as a substitute for explicit column names, it returns all columns in all tables that a query is selecting FROM.This effect applies to all tables the query accesses through its JOIN clauses.. Consider the following query What are Wildcards in SQL? SQL wildcards are put to substitute one or more characters in a string. Wildcards come in handy when we need to compare the strings and also aim to get the minute details. Wildcards are put up with the LIKE operator and come in handy for solving complex queries

On Jan 14, 2012, at 5:23 PM, Tim Dunphy wrote: > hello list, > > I have a number of hosts that I would like to delete using a wildcard (%) symbol. > > Here is the query I am using: > > mysql> delete from mysql.user where user='%.summitnjhome.com'; Couple of things: * You want to compare your pattern to the host column, not user. * To match the pattern, use LIKE, not = [ ] (Platzhalterzeichen - zu suchende(s) Zeichen) (Transact-SQL) [ ] (Wildcard - Character(s) to Match) (Transact-SQL) 12/06/2016; 2 Minuten Lesedauer; c; o; O; In diesem Artikel. Anwendungsbereich: Applies to: SQL Server SQL Server (alle unterstützten Versionen) SQL Server SQL Server (all supported versions) Azure SQL-Datenbank Azure SQL Database Azure SQL-Datenbank Azure SQL Database. Wildcards used in all types of databases like MySQL, MS Access, Oracle. Wildcard work the same as regular expressions works. Multiple wildcards can be used at once while searching, filtering in database. All wildcards can be used in the SQL query either individually or in a combination of any other wildcards. Recommended Article

I have tables like A_0, A_1,...A_9, and I want to count all rows number or delete them: select count(*) from A_*; delete from A_*; Is wildcard support or should i walk around another way Go Wild with SQL Wildcards. In this article, we looked at how to use SQL wildcards to filter tables. We only covered the basics here. To learn more about SQL wildcards, I highly recommend that you learn about regular expressions. But be wary, because there's a saying in computer science: If you try to solve a problem using regular expressions. Code language: SQL (Structured Query Language) (sql) For the index removal, the following algorithms are supported: COPY: The table is copied to the new table row by row, the DROP INDEX is then performed on the copy of the original table. The concurrent data manipulation statements such as INSERT and UPDATE are not permitted.; INPLACE: The table is rebuilt in place instead of copied to the new.

SQL Delete records using comparison operators. In this page, we are going to discuss, how the COMPARISON operator along with SQL DELETE command can be used to remove specific rows from a table.. Sample tables associated with this page have shown bellow You can see list of existing databases by running following SQL command. CREATE TABLE [IF NOT EXISTS] TableName (fieldname dataType [optional parameters]) ENGINE = storage Engine; Create table syntax . DATA TYPES Numeric Data types . Command Description; TINYINT( )-128 to 127 normal 0 to 255 UNSIGNED. SMALLINT( )-32768 to 32767 normal 0 to 65535 UNSIGNED. MEDIUMINT( )-8388608 to 8388607 normal. DROP statement (Microsoft Access SQL) 10/18/2018; 2 minutes to read; o; O; l; In this article. Applies to: Access 2013, Office 2013. Deletes an existing table, procedure, or view from a database, or deletes an existing index from a table

sql - Drop all tables whose names begin with a certain

So I realized that I had the possibility to write some t-sql code make this job for me. I used the following logic 1. Get the list of the Table to Drop We can easily retrieve the table list making a selection in sys.tables using the where condition to filter the result to obtain only the record where name start with Tabx the following code make it If we use the Binary collation instead of SQL or Dictionary collation, we can improve the performance of the LIKE wildcard queries on that column. But this improvement varies in different situations. Case Study. The following code inserts 10 millions of rows into the sample table which its name is NewTable SQL > SQL Commands > Wildcard. Wildcards are used in SQL to match a string pattern. There are two types of wildcards: % (percent sign) represents zero, one, or more characters. _ (underscore) represents exactly one character. Wildcards are used with the LIKE operator in SQL. Examples. Below are some wildcard examples In T-SQL (MS SQL Server) it's possible to include multiple SQL statements separated by the ';' character. Not in Access though, I'm afraid. Nov 22 '06 #2. reply. MMcCarthy. 14,534 Expert Mod 8TB. In Access 2003, is it possible to delete multiple tables using a QUERY? I want to delete multiple tables but i guess i cant use wildcards with DROP i..e DROP TABLE mytable1% or something like that? I. If you remove a user, all privileges the user has been granted are revoked. This is also true in MySQL if you use DROP USER. See Section, DROP USER Statement. In standard SQL, when you drop a table, all privileges for the table are revoked. In standard SQL, when you revoke a privilege, all privileges that were granted based on.

To use a wildcard character as a literal character, enclose the wildcard character in brackets. Die folgende Tabelle enthält einige Beispiele für die Verwendung des LIKE-Schlüsselworts und der [ ]-Platzhalterzeichen. The following table shows several examples of using the LIKE keyword and the [ ] wildcard characters In this article. Applies to: SQL Server (all supported versions) Azure SQL Database Azure SQL Managed Instance Azure Synapse Analytics Parallel Data Warehouse Matches any single character within the specified range or set that is specified between brackets [ ].These wildcard characters can be used in string comparisons that involve pattern matching, such as LIKE and PATINDEX

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>Submitter-Id: <submitter ID> >Originator: Charlie Read >Organization: independent >MySQL support: none >Synopsis: wildcard '%' for host in mysql.user table broken >Severity: non-critical >Priority: high >Category: mysql >Class: sw-bug >Release: mysql-3.23.54 (Official MySQL RPM) >Environment: System: Linux mukuju 2.4.18-3 #1 Thu Apr 18 07:37:53 EDT 2002 i686 unknown Architecture: i686 Some. MySQL Community on Slack; MySQL Forums . List: General Discussion « Previous Message Next Message » From: Taavi Kald: Date: December 21 2000 3:34pm: Subject: grant user drop privilege on tablename with wildcards: View as plain text : Hi! I read from manual that I can't use wildcard names (tmpnws%) on table names. Any workaround? I've made webpage that creates different temp table for each. MySQL ALTER TABLE Statement. The ALTER TABLE statement is used to add, delete, or modify columns in an existing table. The ALTER TABLE statement is also used to add and drop various constraints on an existing table Code language: SQL (Structured Query Language) (sql) This statement dropped not only the brands table but also the foreign key constraint fk_brand from the cars table.. If you execute again the statement to get the foreign key constraints in the cars table, you will not see any row returned.. Oracle DROP TABLE PURGE example. The following statement drops the cars table using the PURGE clause


SQL HOME SQL Intro SQL Syntax SQL Select SQL Distinct SQL Where SQL And & Or SQL Order By SQL Insert Into SQL Update SQL Delete SQL Injection SQL Select Top SQL Like SQL Wildcards SQL In SQL Between SQL Aliases SQL Joins SQL Inner Join SQL Left Join SQL Right Join SQL Full Join SQL Union SQL Select Into SQL Insert Into Select SQL Create DB SQL Create Table SQL Constraints SQL Not Null SQL. 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.. DROP TABLE always removes any indexes, rules, triggers, and constraints that exist for the target table. However, to drop a table that is referenced by a view or a foreign-key constraint. 1. SQL Create, Alter, and Drop Table. In this SQL tutorial, we are going to learn about the SQL Create, Alter, and Drop Table Statements.Moreover, we will see commands in SQL Create, Alter, and Drop Table. Also, we discuss the SQL Create Table, SQL Drop Table, SQL Alter Table with example and syntax To delete records from a MySQL table, you need to use the DELETE FROM statement. To remove specific records, you need to use WHERE clause along with it. Syntax. Following is the syntax of the DELETE query in MYSQL − . DELETE FROM table_name [WHERE Clause] Example. Assume we have created a table in MySQL with name EMPLOYEES as −. mysql> CREATE TABLE EMPLOYEE( FIRST_NAME CHAR(20) NOT NULL.

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Use of wildcards in mysql table name - Stack Overflo

You'll also need a database and table loaded with some sample data with which you can practice using wildcards. If you don't have these, By reading this guide, you learned how to create, change, and delete tables in SQL-based databases. The commands outlined here should work on any database management system that uses SQL. Keep in mind that every SQL database uses its own unique. Using SQL LIKE with the '_' wildcard character. The wildcard, underscore, is for matching any single character. The following SQL statement finds all telephone numbers that have an area code starting with 7 and ending in 8 in the phonenumber column. We've also included % wildcard character at the end of the search pattern as we're not concerned with the rest of the string values SQL Wildcard: Main Tips. Wildcards have the same purpose as Regular Expressions. A wildcard character is an alternative character replacing certain other character(s) in a string. SQL wildcards are useful when you want to perform a faster search for data in a database. MS Access uses a question mark (?) instead of an underscore (_) Drop table with wildcard. mysql -u username -D dbname -e show tables -s | egrep keyword | xargs -I @@ mysql -u username -D dbname -e DROP TABLE @@; gamamaru 2014-01-15 14:16. Tweet. Remove all ads. Read more; Write a comment « Macの.

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Mysql Drop Tables Like Wildcard Elcho Tabl

DROP TABLE wildcard. 4. Problem with SQL statement using wildcards and Like statement. 5. Alter Table SQL Statement - Dropping Columns. 6. Statement Permission (Prevent to create/drop a table) 7. Database - read only???? - drop table statement. 8. Pb with statement drop table in stored procedure. 9. Auditing Drop Setup Table Statements. 10. I. DROP TABLE wildcard. 3. wildcard is drop table statement? 4. Using wildcards in a table. 5. Problem: SQL Server 7 using ASP - Using wildcards with Field Names. 6. DROP TABLE using Upsizing Tool, SQL Server 6.0 and DRI. 7. USING Alter Table Drop Coulmn on #TempTables. 8. how to drop a column in a table using script. 9. Space Used Increased after. Mysql Command To Drop Multiple Tables You can use the multi-table DELETE syntax. You need to use a LEFT JOIN in case any of the related tables do not have a corresponding row. DELETE user. TABLE statement with syntax and examples. The PostgreSQL DROP TABLE statement allows you to remove or delete a table from the PostgreSQL database How to DROP Temporary Table IF EXISTS in MySQL. A temporary table is a table that will store a temporary result set, which can be retrieved many times in a single session. DROP statement works the same way for temporary tables as well. Syntax:-DROP TEMPORARY TABLE [IF EXISTS] table_name. We will create a temporary table sales_person_department from the sale_details table. CREATE TEMPORARY. I have a number of hosts that I would like to delete using a wildcard (%) symbol. Here is the query I am using: mysql> delete from mysql.user where user='%.summitnjhome.com'; Query OK, 0 rows affected (0.00 sec) And I am attempting to delete all the hosts at the domain 'summitnjhome.com'... But as you can see I am unsuccessful

MySQL Lists: win32: DROP TABLE [wildcard?

I need to do CHECK TABLE on a lot of tables (actually on all tables in several databases), and hoped to do something like mysql> CHECK TABLE reports.* which ddn't work. The only thing that seems to work is using cut'n'paste (or some scritpting) to get a comme seperated list. Is there really no smart way of doing this? version 3.23.49-log. The TRUNCATE TABLE statement does not fire DELETE triggers associated with the table that is being truncated. Unlike a DELETE statement, the number of rows affected by the TRUNCATE TABLE statement is 0, which should be interpreted as no information. MySQL TRUNCATE TABLE example. Let's take an example of using the TRUNCATE TABLE statement

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Each such table has a CHAR field `date` with format 2010-12-25. I want to DELETE all rows in all such tables with `date` earlier than, say, 2010-12-29. Can I use some wildcard character to name the target tables, something like: delete from `w-`% where `date` < 2009-12-29; Or must I name each table explicitly Code language: SQL (Structured Query Language) (sql) In the next section, we will use the testdb and testdb2 created in the CREATE DATABASE tutorial. If you do not have these databases available, you can follow the previous tutorial to create them.. MySQL DROP DATABASE using mysql program example. First, log in to the MySQL Server using the root user. Note that you can use your own database. DELETE FROM `table_name` tells MySQL server to remove rows from the table. [WHERE condition] is optional and is used to put a filter that restricts the number of rows affected by the MySQL DELETE row query. If the WHERE clause is not used in the MySQL DELETE query, then all the rows in a given table will be deleted. Example of MySQL Delete Query. Before we go into more details discussion the. show tables; Once you've decided what your wildcard can be key this line in with your wildcard: SELECT CONCAT( DROP TABLE , GROUP_CONCAT(TABLE_NAME) ) AS stmt FROM information_schema.TABLES WHERE TABLE_NAME LIKE <wildcard>%; Assuming your wildcard hits something, this will generate a string that will look similar to this First, let's look at a simple DROP TABLE example that shows how to use the DROP TABLE statement to drop one table in MySQL. For example: DROP TABLE customers; This DROP TABLE example would delete the table called customers. Drop Multiple Tables. Let's look at an example where we want to drop more than one table using the DROP TABLE statement. With a leading wildcard, this predicate is non-SARGable - just a fancy way of saying we can't find the relevant rows by using a seek against an index on SomeColumn.. One solution we get kind of hand-wavy about is full-text search; however, this is a complex solution, and it requires that the search pattern consists of full words, doesn't use stop words, and so on

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