Limits on MySQL table column count and row size You can create maximum 4096 number of columns per table, but the effective maximum may be less for a given table. The exact number depends on several interacting
For our example's purposes we will create a database 'mydb_name' and a user 'db_user' with a password 'db_passwd'. Then we will create a table 'phonebook' in the database using the PHPMyAdmin tool or the SQL command line. The 'phonebook' MySQL table will have fields for 'first...
当主从复制采用 binlog 的行模式时,如果从库启用 slow_query_log、log_slow_replica_statements 且从库重放 CREATE TABLE、DROP TABLE 时因特殊情况(比如被从库其他 SQL 占用 MDL 锁)执行耗时较长,会被从库记录到慢日志(slow log),而 ALTER TABLE 却不会被记录到慢日志。 ALTER TABLE 等管理语句是否会记录到...
Category:MySQL Server: Command-line ClientsSeverity:S3 (Non-critical) Version:5.5.8OS:Windows (Windows 7 - 64bit) Assigned to:CPU Architecture:Any Tags:check,constraint [8 Mar 2011 21:02] Arthur Yeo Description:When a TABLE is created with a table constraint using the CHECK option, it is...
Table 4.11 mysql_ssl_rsa_setup Options Option NameDescription --datadir Path to data directory --help Display help message and exit --suffix Suffix for X.509 certificate Common Name attribute --uid Name of effective user to use for file permissions --verbose Verbose mode --version Display ...
Bug #90415 SHOW CREATE TABLE not including table options Submitted: 12 Apr 2018 19:24Modified: 13 Apr 2018 13:57 Reporter: Todd Keup Email Updates: Status: Can't repeat Impact on me: None Category: MySQL Server: Command-line ClientsSeverity: S3 (Non-critical) Version: 5.7OS: Windows...
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The DB in which I'm trying to create the table is set up as a symbolic link due to storage concerns--datadir exists on `/var/lib/mysql`, db `op` points to datastore on an external drive (see details from command line below). ...
The code in class org.flywaydb.core.internal.database.mysql.MySQLDatabase,not only in strict mode,butgtid mode also doesn't support “CREATE TABLE ... AS SELECT” Please refer https://dev.mysql.com/doc/refman/5.7/en/replication-gtids-restrictions.html ...
CREATE TABLE links ( ID INTEGER UNSIGNED NOT NULL, link_name VARCHAR(255), PRIMARY KEY (ID) )type=InnoDB; However I can recreate the table using type=MyISAM. I have tried using MySQL Administrator 1.9.1, as well as mysql> command line to recreate the "links" table. I tried...