First, open the discounts table: Second, click the import button: Third, select the path to the CSV file and click the Next button: Fourth, select the destination table, which is the classicmodels. Oct 18, 2013 · I get: but selecting seems not to work at all: How is that possible? I mean, SELECT table_name FROM INFORMATION_SCHEMA. your_column with the name of your comment. ini) Check for the line innodb_data_file_path = ibdata1:10M:autoextend. ENGINE. So each child knows who its parent is. Go to MySQL config file (my file at C:\xampp\mysql\bin\my. user’ is not of type ‘base table’ is not a standard MySQL error message. Mar 3, 2006 · Base table or view not found. Apr 1, 2019 · ALTER TABLE YourTable. Consult: SQL injection that gets around mysql_real_escape_string () on this. TABLE_TYPE. In MySQL there are three main data types: string, numeric, and IMPORT TABLE requires the FILE privilege to read the . 3 Loading Data into a Table. v AS SELECT * FROM t; Unqualified table or view names in the SELECT statement are also interpreted with respect to the default database. E. this will give you all non-empty tables in the server for a certain database run. "Base table or view not found: 1146 Table posts do not exist" and I solved it, I was using "soft deletes" in a separate migration file, and my original migration for "posts" table which was responsible for creating the "posts" table was Apr 4, 2023 · I am new to Spring Boot and MySQL and I am trying to connect my spring boot application to the database I created in MySQL. 通常，“ is not BASE TABLE ”的问题是您尝试修改的“表”不是表，而是“ View ”。. The problem occurred on two machines, both were fixed by copying backups. This allows to use RENAME to move a table from a database to another (as long as they are on the same filesystem): RENAMETABLEdb1. If the parent was temporary, it was not locked and so the children were not locked either. tTOdb2. Pick the Repair table option: Repair table option. The following example shows you how to list all the tables in the classicmodels database. Dec 28, 2016 · 61. php model: By default Laravel tries to fetch the plural name of a model. May 25, 2009 · #1347 - 'db_view. Drop table says it's not there, create table says it is. `table_name` ( _id int not null, LastName varchar(255) NOT NULL, FirstName varchar(255), Age int, PRIMARY KEY (_id) ); Aug 1, 2015 · Yes, it will. Check following post, author listed around seven differences between views and table. If file does not exist copy the ibdata1 file from location C:\xampp\mysql\backup\ibdata1. {. Dec 16, 2009 · There is no need to modify the query when changing databases. 1 Creating and Selecting a Database. 36-82. 23, it was possible to create temporary merge tables with nontemporary child MyISAM tables. Roles should have VARCHAR, ENUM, or SET datatype based on requirements. First I already went over some solution on stacks but they did not work. mysqlcheck uses the SQL statements CHECK TABLE , REPAIR TABLE , ANALYZE TABLE, and OPTIMIZE TABLE in a convenient way for the user. For partitioned tables, ENGINE shows the name of the storage engine used by all partitions. env file or database connection issues can prevent Laravel from accessing the correct database or Jun 14, 2008 · ERROR: 1347 'mysql. Jun 10, 2021 · I am creating one spring boot application and trying to make a connection with mysql database. Step 2: Open your Xampp directory and find MySQL named folder in this directory. It’ll prompt you for the password: Enter password: ********. TABLES. Apr 15, 2013 · It is sometimes possible for a multiple-table view to be updatable, assuming that it can be processed with the MERGE algorithm. DELETE FROM table WHERE id <> 2. I can display two pages of the app with the all operations working normally although I have to request one page twice before it renders. SQL Table: SQL table is database instance consists of fields (columns), and rows. Parent <-- Child. create table "TBL" ("ID" number not null)'; exception when others then. Jun 15, 2021 · 2. Jun 11, 2024 · Given below are the necessary steps to get the list of tables: Step 1: Open the MySQL Command Line or MSI installer. 2. if you NULL all of the columns from the right side of a left join, should it delete the row Jun 14, 2016 · Issue got resolved now. Step 1: Open MySQL Workbench and Connect to Server. properties class: Apr 11, 2011 · 0. Now Log in to the MySQL database server with the help of a password. VERSION mysqlcheck must be used when the mysqld server is running, which means that you do not have to stop the server to perform table maintenance. In my eyes, all I'm doing is trying to update the students table. So if you want to see from your schema (database) tables only there's the following query : The default table type in MySQL is MyISAM. Possible solution. The OR operator displays a record if any of the conditions separated by OR is TRUE. myi is fine, but your data file is corrupt. You can fix this by adding a table name in the model. Tables can be exported from one server using mysqldump to write a file of SQL statements and imported into another server using mysql to process the dump file. Now, choose the CSV file that you want to import and click Next. Once you know how to enter SQL statements, you are ready to access a database. MySQL. INFORMATION_SCHEMA Usage Notes. If you are trying to use a table type that is not compiled-in or activated, MySQL will instead create a table of type MyISAM. Regardless of the prefix, each MySQL database table consists of rows and columns. ( Source) MyISAM is the default storage engine for MySQL. Oct 17, 2015 · You can modify the data of an underlying base table through a view, as long as the following conditions are true: Any modifications, including UPDATE, INSERT, and DELETE statements, must reference columns from only one base table. if SQLCODE = -955 then null; else raise; end if; end; /. . For example: Base table: User (name) Tables using inheritance of the table User: Administrator, Member, etc. Dec 8, 2015 · Because the user doesn't have access to the base table the view is referring to, even though I grant select privilege to the view, I still get select permission was denied to the base table. your_previous_column_definition COMMENT "Your new comment". But there is no clear example and I was not succesful in updating a view I created that involved a NATURAL JOIN. The INFORMATION_SCHEMA database contains several read-only tables. I copy my code hereunder. BASE TABLE for a table, VIEW for a view, or SYSTEM VIEW for an INFORMATION_SCHEMA table. Jul 22, 2013 · The mysql. # skip-networking # enable-named-pipe # shared-memory # shared-memory-base-name=MYSQL # The Pipe the MySQL Server will use To create a new database using the MySQL Workbench, you follow these steps: First, launch the MySQL Workbench and click the setup new connection button as shown in the following screenshot: Second, type the name for the connection and click the Test Connection button. 6下没有这个问题 版本是Server version: 5. MySQL is ideal for both small and large applications. 23, MERGE children were locked through the parent table. 0. . When you start the mysqld server, you can specify program options using any of the methods described in Section 6. 6. If you want to have a tool that repairs tables by default, you should just make a copy of mysqlcheck named mysqlrepair, or make a symbolic link to mysqlcheck named mysqlrepair. /bin/mysqld: Shutdown complete Installation of system tables failed! [6 Jul 2007 10:49] Thinakaran Chelliah Aug 21, 2014 · The problem is that you are trying to perform an update on the data you just queried. A window pops up that will guide you through the import process. The AND operator displays a record if all the conditions separated by AND are TRUE. The most common methods are to provide options in an option file or on the command line. To create the view explicitly in a given database, use db_name. 20. See Chapter 17, The InnoDB Storage Engine, and Chapter 18, Alternative Storage Engines. Well organized and easy to understand Web building tutorials with lots of examples of how to use HTML, CSS, JavaScript, SQL, Python, PHP, Bootstrap, Java Aug 14, 2023 · 4. Now, we are connected to the MySQL server, where we can execute all the SQL statements. The following are known problems with MERGE tables: In versions of MySQL Server prior to 5. view_name syntax to qualify the view name with the database name: CREATE VIEW test. MYD - Data If you have no privileges for a base table or view, it does not show up in the output from SHOW TABLES or mysqlshow db_name. Would like confirmation if this is isolated, but I have 3 separate systems with the The same symptoms as above happened to me. Consider moving over to either the mysqli_ or PDO API (with a prepared statement), since the mysql_ API is in deprecation and removed from PHP 7. In mysql, a view is represented as a table in INFORMATION_SCHEMA. If you use ALTER TABLE on a transactional table or if you are using Windows, ALTER TABLE unlocks the table if you had done a LOCK TABLE on it. Each MyISAM table is stored on disk in three files. Step 2: Next, choose the required database by using the following command: If you have no privileges for a base table or view, it does not show up in the output from SHOW TABLES or mysqlshow db_name. They are actually views, not base tables, so there are no files associated with them, and Jan 16, 2017 · mysql_real_escape_string() is still prone injection. Oct 28, 2019 · Table Overview. 4. REPAIR TABLE works for MyISAM , ARCHIVE , and CSV tables. Jul 11, 2011 · In MySQL's table INFORMATION_SCHEMA. 最佳答案. TABLES; it gives me : and Im able to do: mysql> select * from events; and Im May 23, 2017 · SQL Views: View is a virtual table based on the result-set of an SQL statement and that is Stored in the database with some name. 2, “Specifying Program Options”. Thanks in advance for the help. 3. You can do like this. 2 Creating a Table. And each child has exactly one parent. PersonID int, LastName varchar(255), FirstName varchar(255), Address varchar(255), City varchar(255) Start the Exercise. Internally Laravel checked: Str::plural('business') == "businesses". If yours does, you’ll see a success message alongside each table’s name on the next page. Sep 19, 2015 · Recently I attempted to add a column to one of the tables of my database which has 316 table but after the following command: mysql> ALTER TABLE view_Server ADD rsh_protocol VARCHAR(60); I get the following error : ERROR 1347 (HY000): 'itop. It has no way to reverse engineer from the SELECT statement how a specific update should be applied (e. Each MYISAM table has 3 files in data directory. Just follow these steps: 1) change active database. For this to work, the view must use an inner join (not an outer join or a UNION). This is easily fixed by adding an extra % last on the command line as a separate argument. 3, “CREATE TABLE LIKE Statement” . Creating the database is the easy part, but at this point it is empty, as SHOW TABLES tells you: The harder part is deciding what the structure of your database should be: what tables you need and what columns should be in each of them. 1. The TABLES table does not list TEMPORARY tables. I can see why the error message would be Corrupt. "not inserting data or throwing errors". 3 Definition Schema 21. In the Business. The columns specify the type of data, whereas the rows contain the actual data itself. weak entity) is a table whose primary key attributes depend on another table, thus the child table is identified or partially identified by rows in the table it depends on (parent). The table is not there, there are no files in the directory that pertain to the table, yet it cannot be created because MySQL thinks its there. user table should definitely exist. 0-log Percona Server (GPL) May 11, 2015 · I also had this problem when doing migration => after performing php artisan migrate:refresh --seed command. INFORMATION_SCHEMA is a database within each MySQL instance, the place that stores information about all the other databases that the MySQL server maintains. I have tried all the possible way fromthe stackover flow but no luck. application. myi files is wrong, but that's really not true, and your . Automatically generates single-table commands that are used to reconcile changes made to a DataSet with The key words here being "single-table". Write a script that loops on all tables and run the alter command. Even though my build is geeting passed I am not able to get sucess. 2) run the script. If you're using MYISAM, make sure that any columns in the ON statement are indexed, and consider also adding any columns This might cause some confusion when you try to display the columns for a table with a _ in the name, because in this case, mysqlshow shows you only the table names that match the pattern. Dec 23, 2014 · Parent - The entity on the "one" (/1) side of a relation with another table. The problem is tables are not creating on mysql, while everything is working. The mysqldump client utility performs logical backups , producing a set of SQL statements that can be executed to reproduce the original database object definitions and table data. You need to do the subselect based on a column name, not *. May 30, 2011 · If it guesses wrong, it might just put completly wrong data in. You either need to fix the view or update each base table independently. Sep 15, 2022 · Create a schema from the GUI interface: After that, right-click on the Tables under the schema name and choose the Table Import Data Wizard option. Apr 21, 2011 · 0. 7. 16 MySQL Community Server - GPL，如下图所示。 而在mysql5. and trying to add columns in table through spring boot jpa. TABLES lists a view(s) prior to base tables. You want a table that contains a record for Use CREATE TABLE LIKE to create an empty table based on the definition of another table, including any column attributes and indexes defined in the original table: Press CTRL+C to copy. your_previous_column_definition with the column's column_definition, which I recommend getting via a SHOW CREATE TABLE YourTable command and INFORMATION_SCHEMA is a database within each MySQL instance, the place that stores information about all the other databases that the MySQL server maintains. " Oct 4, 2010 · 1. ). 38, “The INFORMATION_SCHEMA TABLES Table”. This is simple, if exception come while running query it will be suppressed. The only thing to watch out for, is permissions. class Business extends Model. As 10 Answers. So Business will be businesss. I have an java web app running on Tomcat5. myi file and overwite a good file based on a corrupt data file. Then MySQL might recreate an . Expected behavior. Generally, any field setup as a foreign key (using INNODB) will already have an index set. Step 1: Open your Xampp control panel and close the MySQL server if running. May 27, 2011 · 178. CREATE TABLE new_tbl LIKE orig_tbl; For more information, see Section 15. That is, you can use them in statements such as UPDATE, DELETE, or INSERT to update the contents of the underlying table. sdi and table content files, and the CREATE privilege for the table to be created. view_Server' is not BASE TABLE. 视图表名 IS NOT BASE TABLE 版本是Server version: 8. Trying to do so produces the following error: ERROR 1435 (HY000): Trigger in wrong schema. You should add roles and permissions fields in the user table if you work on a like POS system, Banking system, University management system where different designations of users use your development application. Let Repair. You want a table that contains a record for MySQL workbench provides a tool to import data into a table. The NOT operator displays a record if the condition (s) is NOT TRUE. Follow steps: Use MySql commands as follows, for converting to InnoDB (ALTER TABLE t1 ENGINE = InnoDB) or (ALTER TABLE t1 ENGINE = MyISAM) for MyISAM (You should do this for each individual tables, t1 is for the table name. MODIFY COLUMN your_column. X3H2-92-154/DBL CBR-002 21. Views can be found using a query on the same information_schema. Oct 15, 2019 · 38. I have created a schema. 15 the app caries out CRUD operations on the MySQL datasource. I also dropped the old database, and i installed a fresh dump of the new Jun 30, 2016 · 7. mysql> select TABLE_NAME from information_schema. If you want to delete everything which is not 2 (including the NULLs) then add OR id IS NULL to the WHERE clause. 5. 要确认这一点，您可以启动: 如果您尝试修复的表出现在此处，宾果游戏!这是一个 View 。. However when I run my code, the database is not being effected and no table is being added. Suppose that you have several pets in your home (your menagerie) and you would like to keep Jan 29, 2024 · Migration Errors: If database migrations are not executed properly or if migrations are out of sync with the database schema, it can lead to missing tables or views. All tables in the active database are now truncated. A "base table" is pretty much just a "table". Steve. Launch MySQL Workbench and establish a connection to your server. – Jan 22, 2020 · SELECT /* Disable foreign key checks temporily to be able to make these changes */ 'SET FOREIGN_KEY_CHECKS = 0;' AS alter_statement UNION SELECT /* Alter the default character set of each database */ CONCAT('ALTER DATABASE `', SCHEMA_NAME,'` CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;') AS alter_statement FROM information_schema. The term "base table" has a definition and it has nothing to do with what you describe. Comment to be displayed as some comment. No worries, always backup first. The child points to the parent. Please help. Step 2: Create a Database (if necessary) If you haven’t already created a database/schema, create one now. K. You want a table that contains a record for each of your pets. discounts in this case. I am not sure why. 0在创建视图的时候使用navicat premium 12. Next, create a new database called test: CREATE DATABASE test; LIKE to create an empty table based on the definition of another table, including any column attributes and indexes defined in the original table: CREATE TABLE new_tbl LIKE orig_tbl; The copy is created using the same version of the table storage format as the original table. Next check the ibdata1 file exist under C:/xampp/mysql/data/. This one helped for me: Open shell from from control panel and start mysql with this command: mysqld –-console –-skip-grant-tables –-skip-external-locking. substituting: YourTable with the name of your table. For user table, user. Below is how you could imagine a MySQL table. TABLES, there's a column named 'TABLE_CATALOG'. For example, if you had an id field common to both tables, you could do: SELECT * FROM Table1 WHERE id NOT IN (SELECT id FROM Table2) Refer to the MySQL subquery syntax for more examples. and you can use same for SQL or Oracle. user' is not BASE TABLE Is there any way to set up MySQL VIEWs to allow alterations (add, remove, edit) to the rows of a table in the base database by the view database? The reason is, we have two vBulletin installs on two separate databases. user MySQL INFORMATION_SCHEMA. This message normally arises in the context of MySQL utilities or tools, such as MySQL workbench or command-line utilities, rather than standing a direct error from MySQL itself. What would be an mysql8. 3. Remove this line: sAdapter. The data type is a guideline for SQL to understand what type of data is expected inside of each column, and it also identifies how SQL will interact with the stored data. 关于mysql - 修复损坏的表时 Jun 5, 2024 · To create the Table follow below given steps. The app is configured in Tomcat and when I run the same app on a Sun 6. They are actually views, not base tables, so there are no files associated with them, and you cannot set triggers on them. Use CREATE TABLE LIKE to create an empty table based on the definition of another table, including any column attributes and indexes defined in the original table: Press CTRL+C to copy. Write the correct SQL statement to create a new table called Persons. X或以上版本，可以尝试. In order to provide proper content for a given website, MySQL stores all the data in tables. I have faced same issue and sorted using below step. For a view to be updatable, there must be a one-to-one relationship between the rows in the view and the rows in the underlying table. Dec 8, 2018 · 4. 25, “The INFORMATION_SCHEMA TABLES Table”. The storage engine for the table. Jun 4, 2015 · The message you are getting is basically MySQL server repeating what the InnoDB storage engine told MySQL server: Table does not support optimize is the InnoDB storage engine saying "I (the InnoDB storage engine) don't do an OPTIMIZE operation like my friend (the MyISAM storage engine) does. If by base table you are talking about inheriting from a table, then yes you can by uniting common table fields in the base table. That is, it is not a view, it is not a table valued function, it is not the result of a query. In the latter case, you should run REPAIR TABLE on the table. To illustrate, let's take a simple and completely May 9, 2023 · Once you choose the tables, you want to repair, scroll down and open the With selected drop-down menu. TABLES WHERE TABLE_TYPE = 'BASE TABLE'; showed that there IS a table named 'db' Secondly, when I type: SELECT table_name FROM INFORMATION_SCHEMA. The column TABLE_TYPE defines whether this is record for table or view (for tables TABLE_TYPE='BASE TABLE' and for views TABLE_TYPE='VIEW'). An example of how a MySQL table looks Oct 22, 2018 · i'm using Yii2. suppose MySQL reports your . See The InnoDB Storage Engine, and Alternative Storage Engines. MySQL is a widely used relational database management system (RDBMS). I have discussed views in this light before. May 7, 2018 · Make sure that # you have installed the server correctly (see above) so it reads this # file. db' is not BASE TABLE 070706 15:06:35 [ERROR] Aborting 070706 15:06:35 [Note] . # # server_type=3 [mysqld] lower_case_table_names=2 # The next three options are mutually exclusive to SERVER_PORT below. TABLES table. db REPAIR TABLE mysql. Try running the command below on your server to create the tables in the database called mysql: If that doesn't work, maybe the permissions on your MySQL data directory are messed up. MYI - Index; user. To execute the CREATE TABLE statement: First, log in to the MySQL server using the mysql command from your terminal with an account that has CREATE privilege: mysql -u root -p. Step 3: Now find a backup named folder and open it. Look at a "known good" installation as a reference for what the permissions should be. Step:1 Run these two queries for the damaged table: REPAIR TABLE mysql. answered Aug 1, 2012 at 21:12. Dec 23, 2020 · 4. 7 Server Command Options. Child - The entity on the "many" (/N/*) side of a relation with another table. Open another shell from control panel and repair database with this command: mysqlcheck -r --databases mysql --use-frm. MySql Error: "#1034 - Index for table 'global_priv' is corrupt; try to repair it". Step 2: Select The Database. Hence, you cannot do what you want. Switch to classicmodels database: The default behavior of checking tables ( --check) can be changed by renaming the binary. See Section 28. SCHEMATA WHERE DEFAULT_CHARACTER_SET_NAME!='utf8mb4' AND Mar 27, 2018 · Dynamic SQL generation is not supported against multiple base tables. 3) copy the results 4) paste the results back into the editor 5) execute the results. Mar 21, 2012: How do I get the execution plan for a view? The MySQL AND, OR and NOT Operators. A child table (A. While MySQL uses backticks for quoting identifiers by default, ANSI-compliant SQL (and indeed MySQL in ANSI SQL mode, as noted here) uses double quotes for quoting identifiers. I don't want to grant direct privileges on the base table. Joins are generally faster (in MySQL), but you should also consider your indexing scheme if you find that it's still moving slowly. 4 Retrieving Information from a Table. The error message ‘MySQL. Rows in a child table cannot exist without a corresponding row in its parent table. Step 1. May 3, 2014 · By not using these words in the first place, you avoid leaving traps for yourself or future developers. Database Configuration Issues: Incorrect database configuration settings in the . Keep in mind that not all databases support the phpMyAdmin repair function. In MySQL, a subquery must satisfy these criteria to be handled as a semijoin: Aug 7, 2006 · Description: A simple table/view combination: CREATE TABLE testtable (oid varchar(32)); CREATE VIEW testview as select * from testtable; can not be restored with a mysqldump/mysql source combination if the following options are used for mysqldump: mysqldump --quick --add-locks --no-create-db --lock-tables --no-create-info --complete-insert CREATE DATABASE data_base_name If you have already created the database then you can simply fire this query and you will be able to create table on your database: CREATE TABLE `data_base_name`. These can be found using a query on information_schema. – beach. t; Note that moving a table to another database is not possible if it has some triggers. answered Apr 23, 2020 at 11:16. TABLES table contains data about both tables (not temporary but permanent ones) and views. Tutorial. 如果您使用的是MariaDB 10. I'm not sure what I'm doing wrong, or how I go about fixing it. It is what gets stored in the database as an explicit table. See Chapter 14, The InnoDB Storage Engine, and Chapter 15, Alternative Storage Engines. The name of the table. 5. Connect to the MySQL database server: mysql -u root -p Code language: SQL (Structured Query Language) (sql) Enter the root’s password and press enter to connect to the MySQL server. 00 sec) The harder part is deciding what the structure of your database should be: what tables you need and what columns should be in each of them. tables where table_schema='<old_schema_name>' and TABLE_TYPE='BASE TABLE'; 3) Dump the views in an out file. You cannot run OPTIMIZE TABLE against a View. From versions 5. edited Sep 27, 2011 at 23:34. g. But don't get confused by this inheritance, it only copies the fields, nothing else, it is not Oriented 5. The WHERE clause can be combined with AND, OR, and NOT operators. It dumps one or more MySQL databases for backup or transfer to another SQL server. I had problem #1034-Index for table 'db' is Corrupt; try to repair it in phpmyadmin. Outer join and inner join syntax is permitted in the outer query specification, and table references may be base tables, derived tables, or view references. DELETE FROM table WHERE id NOT IN ( 2 ) OR. Step 2. 8 TABLES base table Jun 20, 2012 · 10. SELECT * FROM `TABLES` WHERE `TABLE_ROWS` > 0 AND `TABLE_SCHEMA` = 'database_name'. I have done a major upgrade of my database during dev phase, and i just put on the prod server the new code. I make a very basic/learning app on spring / mysql, no tables joining for the moment. The update is trying to generate the SQL needed to perform the update but is failing. Table information is also available from the INFORMATION_SCHEMA TABLES table. 2. Not sure why you are doing this but you can't and shouldn't. mysqlcheck must be used when the mysqld server is running, which means that you do not have to stop the server to perform table maintenance. Sorted by: 235. Some views are updatable. frm - Table metadata; user. Here is my application An SQL developer must decide what type of data that will be stored inside each column when creating a table. 4 mysqldump — A Database Backup Program. 18连接，所有表的注释会显示数据库名. Use database 'information_schema' and run. Your tables are probably using MyISAM unless you explicitly stated to use InnoDB. As @Frank Schmitt noted, you might want to be careful about the NULL values too. See Section 24. Update(sTable) answered Aug 21, 2014 at 14:25. Creating the database is the easy part, but at this point it is empty, as SHOW TABLES tells you: mysql> SHOW TABLES; Empty set (0. TABLES has NULL as a Storage Engine. A. This is a very useful feature when you want to copy tables between different SQL servers that support different table types (like copying tables to a slave that is optimised for 2) Generate a list of only “BASE” tables. 3 Creating and Using a Database. Stennie. Stop mysql, close shells and restart mysql normally. execute immediate '. If you invoke mysqlrepair, it repairs tables. However, a View in INFORMATION_SCHEMA. 7 and when TABLE STATUS or INFORMATION_SCHEMA. The means of quoting identifiers differs between SQL dialects. This appears to be a Percona 8 related issue, that did not exist in <= 5. The SELECT privilege is required on the original table. May 23, 2012 · InnoDB tables, indexes, etc, are stored in a single tablespace, with a maximum of two billion tables. SELECT * FROM `TABLES` WHERE `TABLE_ROWS` > 0. MySQL is free and open-source. jp zf bj hy tk qg kj vv pq wi