Mysql check when table was last analyzed. 9, “ALTER TABLE Statement” , and Section 24.

ANALYZE TABLE works with InnoDB, NDB, and MyISAM tables. mysql db_name < dump. 767”, which means that it took on average 0. Update the table statistics if they are not up to date. cd /var/lib/mysql. By default, the MySQL client installation includes the mysqlcheck. Apr 4, 2020 · I could not pass a variable table_name into ANALYZE TABLE, so this is the best I could do. It will then check each table in the specified database. A command that works with InnoDB, ARCHIVE, and MyISAM, CHECK TABLE does what it sounds like — it check a table for errors or other issues. To avoid timeouts, the semaphore wait threshold (600 seconds) is extended by 2 hours (7200 seconds) for CHECK. Using these parameters, an approximate formula for estimating ANALYZE TABLE complexity would be: The value of innodb_stats_persistent_sample_pages * number of indexed columns in a table * the number of partitions Feb 2, 2012 · 9. The most common task when managing a replication process is to ensure that replication is taking place and that there have been no errors between the replica and the source. 0. Similarly, information_schema. . 8. 6. FROM information_schema. Step 1. 21 and later, this can optionally be specified explicitly using FORMAT=TREE; formats other than TREE remain unsupported. CHECK TABLE is supported for partitioned tables, and you can use ALTER TABLE CHECK PARTITION to check one or more partitions; for more information, see Section 13. EXPLAIN ANALYZE can be used with SELECT statements, as well as with multi-table UPDATE and DELETE statements. ANALYZE TABLE is too slow. You may have to go the OS using Windows Explorer and look for a growing tmp table. tables WHERE table_name = 'table_name'; 15. If the table has not changed since the last ANALYZE TABLE statement, the table is not analyzed again. If none are given, ALTER TABLE does nothing. Installing and Upgrading MySQL. The Update_time column also shows this information for partitioned InnoDB tables. The mysqlcheck is a command-line utility provided by MySQL to check, repair, analyze, and optimize tables in MySQL server. FROM all_tab_statistics. 5 Deadlocks in InnoDB. SQL query to find LAST_ANALYZED date for PARTITIONED TABLES, click here for sample output. This will tell me how long it has been since the table stats were updated. 9, “ALTER TABLE Statement” , and Section 24. Feb 4, 2012 · CHECK TABLE is used only when you suspect data corruption (which should not occur during normal run). This does of course mean opening a connection to the database. 0 if the index cannot contain duplicates, 1 if it can. Following the table name, specify the alterations to be made. 4, the default output format used by EXPLAIN (that is, when it has no FORMAT option) is determined by the value of the explain_format system variable. 分析中、そのテーブルは InnoDB および MyISAM に対する読み取りロックでロックされます。. Here’s the syntax of the REPAIR TABLE statement: REPAIR TABLE table_name [, table_name] In this syntax: table_name: The name of the table you want to repair. Then, execute the VACUUM command on the desired table like this: VACUUM (VERBOSE, ANALYZE) table_name;. In this case innodb_stats_persistent_sample_pages should be decreased until ANALYZE TABLE execution time is acceptable. When the table was last checked. ANALYZE TABLE table_name UPDATE HISTOGRAM ON column_name WITH N BUCKETS; Replace column_name with the name of the column you want to analyze and N with the number of buckets. You can look for this pattern:-- Dump completed on 2013-12-26 8:56:27 If you see Dump completed on, all the tables are fine May 23, 2017 · In the query the author provided as a solution in his post, I assume a null value would mean that a table hasn't been accessed since the last time SQL Server was restarted. 464. In Linux, you can locate it with the which command. WHERE TABLE_SCHEMA = 'dbname'. tables. In summary: create a stored procedure script_to_analyse_all_tables() which loops through each table name, producing the query ANALYZE TABLE table_name for each table. This is the number of processed rows. Step 2: Now type in the mysqlcheck command to check for an existing table in a database. 10. Columns in STATISTICS that represent table statistics hold cached values. First - find the statistics you want to check: Second - see its properties, and there you will see the last updated timestamp: Or you may want to execute the following query: The CHECK TABLE statement does not detect inconsistencies that affect only the header data. Switch to classicmodels database: Assume we have created a table with name Players in MySQL database using CREATE statement as shown below −. May 5, 2021 · Analyze the Statistics for table, columns & partitions histogram in Mysql. mytable; if the table was MyISAM is this: ALTER TABLE mydb. Check_time. AND TABLE_NAME = 'tabname'. So an INSERT may have been done since, and/or any amount of reads. Jun 24, 2024 · This command checks every table within every database on the MySQL server for issues. The third statement removes the histogram for c2 , leaving those for c1 and c3 unaffected. The default is 86400 seconds (24 hours). 464 ms to read the first row, and 22. 7. SELECT MAX (UPDATE_TIME), MAX (CREATE_TIME), TABLE_SCHEMA FROM `TABLES` GROUP BY TABLE_SCHEMA ORDER BY 1, 2; Apr 27, 2021 · Check last analyzed date for the schema, tables, indexes, partitions & Columns in Oracle; Check the Size of Oracle Database and PDB database; Check the Undo tablespace Usage in Oracle; Check and Change Default Tablespace for User in Oracle; Stop the EXPDP/IMPDP datapump Job in Oracle; Find the Startup & Uptime of Oracle Database 2. The following example illustrates the steps for optimizing a In MySQL 8. The name of the catalog to which the table containing the index belongs. 0, this column now reports a hardcoded value of 10, which was the last . The equivalent of OPTIMIZE TABLE mydb. STATISTICS WHERE table_name = 'tbl_name' AND table_schema = 'db_name'; Generate the Statistics for the table in the MySQL database. This has the merit that it is conceptually simple, but in practice it requires a lot of triggers: for each table I would have to create a trigger not only for ON_UPDATE but also AFTER_INSERT and AFTER_DELETE. 1 ALTER TABLE Partition Operations. TABLE_NAME=’&TABLE_NAME’. See also Read-Only Replicas. 22. 8 Understanding the Query Execution Plan. COL GLOBAL_STATS FOR A13. COL TABLE_NAME FOR A15. Because all transactions involved are waiting for the same resource to become available, none of them ever releases the lock it holds. Table is already up to date means that the table is already up to date and there is no need to check it. See Section 12. With FOR UPGRADE, the server checks each table to determine whether there have been any incompatible changes in any of the table's data types or indexes since the table was created. Dec 14, 2020 · OWNER=’&OWNER’. ) CHECK TABLE. Using the correct stat_value 195 for the index dpcz_FK, we can get the actual number of rows to return in line 2 of execution plan #1 to be 32508150/195=166708, and then the estimated rows to be examined will be (194*10%)*166708* (1*4. For partitioned tables, Engine shows the name of the storage engine used by all partitions. mysqlcheck will be in the directory you installed your mysql binary files in. MYI . For the MyISAM table mydb. To analyze a table and update its key distribution, use the following command: mysqlcheck -u [username] -p OPTIMIZE TABLE performs ANALYZE TABLE after doing some table compression. 7 Reference Manual. MySQL also supports setting the histogram of a single column to a user-defined JSON value. – Mar 14, 2014 · Increasing innodb_stats_persistent_sample_pages too much, however, could cause ANALYZE TABLE to run slowly. TABLE tbl_name [, tbl_name] OPTIMIZE TABLE reorganizes the physical storage of table data and associated index data, to reduce storage space and improve I/O efficiency when accessing the table. 5. Only one table name is permitted with this syntax. Jun 4, 2015 · It creates an empty table, and copies all of the rows from the existing table into it, and essentially deletes the old table and renames the new table, and then runs an ANALYZE to gather statistics. frm file with the name #sql-9999. Apr 14, 2022 · Thanks. WHERE TABLE_SCHEMA = 'your_schema'; Removing the where clause will show you Check all tables in all databases--all-in-1: Execute a single statement for each database that names all the tables from that database--analyze: Analyze the tables--auto-repair: If a checked table is corrupted, automatically fix it--bind-address: Use specified network interface to connect to MySQL Server--character-sets-dir 詳細は、 セクション13. 4. Columns in TABLES that represent table statistics hold cached values. Jun 6, 2024 · Part 2: Running mysqlcheck Command. frm files in MySQL 8. If you omit the constraint name, MySQL automatically generates a name with the following convention: table_name_chk_nCode language:SQL (Structured Query Language)(sql) In this convention, n is an ordinal number such as 1,2, and 3. In later versions of MySQL you can use the information_schema database to tell you when another table was updated: SELECT UPDATE_TIME. NON_UNIQUE. 19, ANALYZE TABLE statements are not logged to the binary log if read_only is set. call this stored procedure; delete this stored procedure afterwards (if you dont want it First, specify the name for the check constraint that you want to create after the CONSTRAINT keyword. COL OWNER FOR A11. 5 Estimating Query Performance. I have a large MySQL database which has around 1,500 tables and the file of the database is around 30GB. Column update_time depends on table storage engine, so some results can be inaccurate. 2. A query on a huge table can be performed without reading all the rows; a join involving several tables 28. Note this only stores the timestamp of the last UPDATE. The name of the schema (database) to which the table containing the index belongs. This will access mydbname using user mydbuser and prompting for that user's password. 1 Checking Replication Status. You can check the stored key distribution with the SHOW INDEX statement. 23, “SHOW INDEX Syntax”. Partitioning-related clauses for ALTER. Mar 16, 2015 at 15:42. ORDER BY object_type desc, owner, object_name; Check the index which is having missing stats: Apr 15, 2022 · Moreover, the stat_value for an index is supposed to be the cardinality of the column of the table. With the removal of . ANALYZE TABLE t DROP HISTOGRAM ON c2; The first statement updates the histograms for columns c1, c2, and c3, replacing any existing histograms for those columns. MYD and #sql-9999. Since MySQL caches updates you must first execute 'Flush Tables db. The CHECK TABLE statement allows you to check one or more tables for errors. Selecting a current value from information_schema is not. Version. 4 OPTIMIZE TABLE Statement. SET LINES 333 PAGES 222. That's just one example. Not all storage engines update this time, in which case, the value is always NULL. To use ALTER TABLE, you need ALTER , CREATE, and INSERT privileges for the table. ANALYZE TABLE with the UPDATE HISTOGRAM clause generates histogram statistics for the named table columns and stores them in the data dictionary. The FOR UPGRADE option checks whether the named tables are compatible with the current version of MySQL. Aug 24, 2021 · Check the table which is having missing stats: SELECT owner, table_name object_name, last_analyzed, stattype_locked, stale_stats. – May 24, 2017 · SELECT table_schema "Data Base Name", sum ( data_length + index_length ) / 1024 / 1024 "Data Base Size in MB" FROM information_schema. Security. To rebuild all tables in all databases, use the --all-databases option: mysqldump --all-databases > dump. I would like to suggest me some ways to monitor the health of my database in overall and how i can check the health status of mysql schema table. To rebuild all the tables in a single database, specify the database name without any following table name: mysqldump db_name > dump. O’Reilly members experience books, live Jun 13, 2020 · Analyze Table (分析表) MySQL 的Optimizer（优化元件）在优化SQL语句时，首先需要收集一些相关信息，其中就包括表的cardinality（散列程度），它 表示某个索引对应的列包含多少个不同的值——如果cardinality大大少于数据的实际散列程度，那么索引就基本失效了。. 4「パーティションの保守」 を参照 Jun 6, 2020 · It checks the table mysql. mytable; MyISAM. TABLE_NAME, INDEX_NAME. Backup and Recovery. table_rows: needs to be current. The statement allows you to repair multiple tables at once. Renaming a table requires ALTER and DROP on the old table, ALTER , CREATE, and INSERT on the new table. tables where update_time < 'yyyy-mm-dd' group by table_schema order by update_time asc Analyzing Specific Indexes. There is nothing MySQL has that will indicate the progress of OPTIMIZE TABLE;. In MySQL 8. 4 supports an additional INTO option with EXPLAIN. 3. 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. The myisamchk utility gets information about your database tables or checks, repairs, or optimizes them. ANALYZE TABLE with the DROP HISTOGRAM clause removes histogram statistics for the named table columns from the data dictionary. This column is unused. You can also get this list using the mysqlshow --status db_name command. SHOW TABLE STATUS works like SHOW TABLES, but provides a lot of information about each non- TEMPORARY table. 6 myisamchk Memory Usage. 4「パーティションの保守」 を参照してください。. Hint: Temp table are MyISAM tables that do not have a . To verify the entire contents of an InnoDB . TABLE can be used with partitioned tables for repartitioning, to add, drop, discard, import, merge, and split partitions, and to perform partitioning maintenance. In the case of InnoDB tables, one can use SHOW ENGINE INNODB STATUS to find the transaction doing the ALTER TABLE and check how many row locks the TX holds. Enter Password:****. Sort the index pages if they are not sorted. 9. – mijiturka. (For MyISAM Engine) First, check a specific table: You can execute this command by giving DatabaseName and Table name. The STATISTICS table provides information about table indexes. The Aria storage engine supports progress reporting for the ANALYZE TABLE statement. This value is always def. SELECT table_name, index . Row_format The CHECK TABLE statement does not detect inconsistencies that affect only the header data. The information_schema_stats_expiry system variable defines the period of time before cached table statistics expire. To read more please visit official documentation. For partitioned InnoDB tables, Check_time is always NULL. For many people, the most interesting new information provided by EXPLAIN ANALYZE is the actual time, “0. Jul 25, 2008 · SET SQL_LOG_BIN=0; ANALYZE TABLE randomTable; SET SQL_LOG_BIN=1; which will temporarily disable logging to binary log for your session. mytable in datadir /var/lib/mysql, you have the following files: /var/lib/mysql/mydb --analyze: Analyze the tables--auto-repair: If a checked table is corrupted, automatically fix it--bind-address: Use specified network interface to connect to MySQL Server--character-sets-dir: Directory where character sets are installed--check: Check the tables for errors--check-only-changed: Check only tables that have changed since the last Aug 5, 2012 · Here is a simple command to auto repair, check and optimize all the tables in all databases running on a MySQL server: mysqlcheck -u root -p --auto-repair --check --optimize --all-databases. Optimization 10. Query ANALYZE TABLE performs a key distribution analysis and stores the distribution for the named table or tables. A query on a huge table can be performed without reading all the rows; a join involving Before running CHECK TABLE on InnoDB tables, see CHECK TABLE Usage Notes for InnoDB Tables. [{FROM | IN} db_name] [LIKE 'pattern' | WHERE expr] SHOW TABLE STATUS works likes SHOW TABLES, but provides a lot of information about each non- TEMPORARY table. ANALYZE TABLE は、フラッシュロックを Nov 21, 2023 · 1) Using the MySQL OPTIMIZE TABLE statement for MyISAM tables. That's the closest that InnoDB can get to doing an OPTIMIZE. The precise effects of this variable are described later in this section. STATISTICS. MYD and . 詳細は、 セクション13. 4, “Maintenance of Partitions” . TABLES GROUP BY table_schema ; Get the database last update ordered by update time than by creating time. 4. Oct 17, 2019 · Since there are two rows in the staff table (Mike and Jon), we get two loop iterations on the filtering, and on the index lookup on line 14. The other option would be just to run the mysqlcheck application for the one database you are interested in checking. ibd file, use the innochecksum command. This can be useful for performing routine maintenance checks to ensure the overall health of your databases. General Information. TABLE_NAME. This does not apply to InnoDB tables. which mysqlcheck. This correctly changes the Update_Time only if the table was updated. CREATE TABLE Players (. analyze table t update histogram on c1, c2, c3 with 10 buckets; analyze table t update histogram on c1, c3 with 10 buckets; analyze table t drop histogram on c2; The first statement updates the histograms for columns c1 , c2 , and c3 , replacing any existing histograms for those columns. If you want to see the stored key distribution that Get MySQL in a Nutshell, 2nd Edition now with the O’Reilly learning platform. For a full database vacuum, just use VACUUM;. REPAIR TABLE is then used to repair the corrupted tables. Nov 17, 2016 · A very quick-and-dirty way to check for table corruption across all tables is to mysqldump the table schemas with no data: mysqldump --no-data --all-databases > table_schema. The TABLES table provides information about tables in databases. Simply using a partition_options clause with ALTER TABLE on a partitioned table repartitions the 10. MySQL Programs. The name of the table containing the index. FROM INFORMATION_SCHEMA. mysql < dump. Replace “table_name” with your actual table’s name. 5. Step 2. Analyze Tables using Mysqlcheck. Table Oct 19, 2016 · When doing OPTIMIZE on an InnoDB table it creates an empty table, copies all rows from the existing table into to the new one, deletes the old one and renames the new table, and then runs ANALYZE on the table. To use the mysqlcheck table command and check tables, follow these steps: Step 1: As an administrator, change your directory to MySQL Data Directory. If have MySQL installed, you should already have the analyze table t update histogram on c1, c2, c3 with 10 buckets; analyze table t update histogram on c1, c3 with 10 buckets; analyze table t drop histogram on c2; The first statement updates the histograms for columns c1 , c2 , and c3 , replacing any existing histograms for those columns. Feb 16, 2012 · For your edit - You need to enclose table name into single quotes: EXEC sp_autostats 'tablename' and for the original question. mysqlcheck uses the SQL statements CHECK TABLE, REPAIR TABLE, ANALYZE TABLE, and OPTIMIZE TABLE in a quick and easy way. EXPLAIN ANALYZE always uses the TREE output format. Sep 27, 2021 · Checl last analyzed for the column of the table-- Check stats of column in table Col table_name for a15 col column_name for a15 col lastanalyzed for a22 SELECT table_name,column_name,to_char(last_analyzed,'DD-MON-YYYY HH24:MI:SS') "LASTANALYZED" from DBA_TAB_COL_STATISTICS; Check last analyzed for the index of a table. innodb_table_stats and specifically the last_update column. Depending on the details of your tables, columns, indexes, and the conditions in your WHERE clause, the MySQL optimizer considers many techniques to efficiently perform the lookups involved in an SQL query. ANALYZE TABLE はパーティションテーブルでサポートされており、 ALTER TABLE ANALYZE PARTITION を使用して 1 つ以上のパーティションを分析できます。. The second statement updates the histograms for c1 and c3, leaving the c2 histogram unaffected. table'. You can also use the CHECK TABLE and REPAIR TABLE statements to check and repair MyISAM tables. ANALYZE TABLE is also supported for partitioned tables. mysql> mysqlcheck -c TestDB TestTable -u root -p. MYI files for storing data and indexes). The LIKE clause, if present, indicates which table names to match. SELECT * FROM INFORMATION_SCHEMA. Mar 19, 2018 · 2. Selecting count(*) from a large table is a huge performance hit. WL#1441: Add 'LIKE &lt;tablespec>' for CHECK TABLE, REPAIR TABLE, ANALYZE TABLE, etc MySQL Server Administration. WHERE (last_analyzed IS NULL OR stale_stats = 'YES') and stattype_locked IS NULL and owner = 'HR'. Behind the scenes, it uses the CHECK TABLE, REPAIR TABLE, ANALYZE TABLE, and OPTIMIZE TABLE statements. myisamchk works with MyISAM tables (tables that have . Tutorial. TABLE_CATALOG. If that value is more than 90 days old for a given table, I definitely need to run ANALYZE TABLE. To analyze specific indexes in a table, you can use the ANALYZE TABLE command with the UPDATE HISTOGRAM clause. It does not work with views. frm file version used in MySQL 5. mytable ENGINE=MyISAM; ANALYZE TABLE mydb. Repair multiple MySQL databases ANALYZE TABLE t DROP HISTOGRAM ON c2; The first statement updates the histograms for columns c1, c2, and c3, replacing any existing histograms for those columns. Actually this extra table need only have one column and one row: all triggers would then update that value. Dec 19, 2018 · When doing multiple inserts into a table and related tables the last identity value is required for foreign keys. 9「ALTER TABLE ステートメント」 および セクション24. Jan 12, 2016 · Using mysqlcheck command, we can optimize, repair and analyse the tables. ID INT, First_Name VARCHAR(255), Last_Name VARCHAR(255), Date_Of_Birth date, Place_Of_Birth VARCHAR(255), Country VARCHAR(255), PRIMARY KEY ( ID) ); Now, we will insert 7 records in Players table using INSERT From MariaDB 10. My question is: Is there a way to tell when a table was last accessed, if the last access was before the last time SQL restarted? 17. 37 SHOW TABLE STATUS Statement. May 10, 2021 · For MyISAM tables on Windows, MySQL UPDATE_TIME reports the Windows file system Last Update Time of the table. MySQL Worklogs are design specifications for changes that may define past work, or be considered for future development. 767 ms Feb 28, 2017 · As you can read in mysql documentation for The INFORMATION_SCHEMA TABLES Table, you can get the update_time (and other information) with a simple query: SELECT update_time FROM information_schema. If not, the check succeeds. The SHOW REPLICA STATUS statement, which you must execute on each replica, provides information about the configuration and status of the 15. 1. Collation Apr 23, 2011 · select table_schema as DatabaseName, table_name as TableName, update_time as LastAccessTime from information_schema. ANALYZE TABLE can be used to update index cardinality To analyze all tables (MyISAM and InnoDB), you can use the mysqlcheck utility from the command line like so: mysqlcheck --user= russell -p --analyze --all-databases. 38 SHOW TABLE STATUS Statement. You can use ALTER TABLE ANALYZE PARTITION to analyze one or more partitions. 3. sql. MySQL 8. Check the Statistics in the MySQL database. /path/to/mysqlcheck -u username -pPASSWORD -c database_name. For MyISAM tables, the OPTIMIZE TABLE statement works as follows: Repair the table if it has deleted or split rows. Some linux distributions (Debian for example) have startup scripts which run CHECK TABLE for all tables on MySQL server startup. Decreasing the value too much, however, could lead to the first problem of inaccurate mysql : optimize table, analyze table, check table and repair table commands This article describes some common table maintenance operations in MySQL. MySQL Server Administration Use the MySQL ANALYZE TABLE statement to ensure that the query optimizer has accurate and up-to-date table statistics, allowing it to generate optimal query execution plans. 6. COL TABLE_OWNER FOR A15. 23%)=136804. Nov 2, 2009 · To check all tables in all databases for corruption and errors and also fix them in one go, this is your command: mysqlcheck -u username -p password --check --optimize --auto-repair --all-databases. Mar 6, 2011 · To see the index for a specific table use SHOW INDEX: SHOW INDEX FROM yourtable; To see indexes for all tables within a specific schema you can use the STATISTICS table from INFORMATION_SCHEMA: SELECT DISTINCT. A query on a huge table can be performed without reading all the rows; a join involving several tables Feb 26, 2010 · I did something like this: SELECT TABLE_NAME, UPDATE_TIME FROM INFORMATION_SCHEMA. Otherwise I do a random sampling and pick 10% of the tables to analyze. mysqlcheck executes statements like CHECK TABLE, REPAIR TABLE, ANALYZE TABLE, and OPTIMIZE TABLE and chooses the best statements for any given ANALYZE TABLE with the DROP HISTOGRAM clause removes histogram statistics for the named table columns from the data dictionary. Notes. TABLES WHERE TABLE_SCHEMA = 'dbname' ORDER BY UPDATE_TIME; – bmaupin. COL PARTITION_NAME FOR A15. Preface and Legal Notices. For MyISAM tables, this statement is equivalent to using myisamchk --analyze . Simply using a partition_options clause with ALTER TABLE on a partitioned table repartitions the The REPAIR TABLE statement can repair only tables that use MyISAM, ARCHIVE, or CSV storage engines. sql Go to the Last Line of the table_schema. The following shows the syntax of the CHECK TABLE statement: CHECK TABLE tbl_name, [,table_name] [ option] Code language: SQL (Structured Query Language) (sql) In this syntax: First, specify one or more names of the tables you want to check for errors. The most efficient way I have found is to use the commandline mysqlcheck tool: mysqlcheck -u mydbuser -p mydbname. 15. This statement requires SELECT and INSERT privileges for the table. TABLE_SCHEMA. Only one table name is permitted for this syntax. May 25, 2023 · To run PostgreSQL’s VACUUM command on a database, open a SQL command line (such as psql) and connect to your database. MySQL 5. 1. A deadlock is a situation in which multiple transactions are unable to proceed because each transaction holds a lock that is needed by another one. Dec 21, 2011 · -a, –analyze Analyze tables-1, –all-in-1 Use one query per database with tables listed in a comma separated way –auto-repair Repair the table automatically it if is corrupted-c, –check Check table errors-C, –check-only-changed Check tables that are changed since last check-g, –check-upgrade Check for version dependent changes in the Check all tables in all databases--all-in-1: Execute a single statement for each database that names all the tables from that database--analyze: Analyze the tables--auto-repair: If a checked table is corrupted, automatically fix it--bind-address: Use specified network interface to connect to MySQL Server--character-sets-dir 15. The focus is very much on the InnoDB storage engine, but the documentation links provide more information, including how the functionality related to the MyISAM storage engine. Feb 4, 2019 · The query below lists all tables that was modified in the last 30 days. 34 The INFORMATION_SCHEMA STATISTICS Table. Check all tables in all databases--all-in-1: Execute a single statement for each database that names all the tables from that database--analyze: Analyze the tables--auto-repair: If a checked table is corrupted, automatically fix it--bind-address: Use specified network interface to connect to MySQL Server--character-sets-dir The following example shows you how to list all the tables in the classicmodels database. TABLE execution. The exact changes made to each table depend on the storage engine used by that table. xa wj vf la sr qx nt fs pp es