This tutorial shows how to find all tables in MySQL with specific column names, but before that, it is essential to understand the schema (database) where these tables are stored. So let’s start with that.Schema in MySQLA database/schema specifies the logical restrictions, including table ...
.getTables(databaseName,null, "%", types); String tableName= "";while(resultSet.next()) { tableName= resultSet.getString(3); log.info("Table Name = " +tableName); } resultSet.close();//--- LISTING DATABASE COLUMN NAMES ---DatabaseMetaData meta =conn.getMetaData(); resultSet= ...
port="3306",user="root",password="123456",database="mydatabase")# 获取游标cursor=connection.cursor()# 查询具有相同字段的所有表tables=find_tables_with_same_column(cursor,"your_column_name")# 输出结果fortableintables:print(table[0])#
if (column.hashCode() == masterColumn.hashCode()){continue;}column.setTableName(tableName);//表名column.setColumnDef(masterColumn.getColumnDef());//是否默认值column.setIsNull(masterColumn.getIsNull());//是否允许为空(NO:不能为空、YES:允许为空)column.setColumnType(masterColumn.getColumnType(...
-t, --show-table-type Show table type column. -S, --socket=name The socket file to use for connection. --server-public-key-path=name File path to the server public RSA key in PEM format. --get-server-public-key Get server public key --ssl-mode=name SSL connection mode. --ssl-...
Last_SQL_Error: Could not execute Update_rows event on table test.t; Can’t find record in ‘t’, Error_code: 1032; handler error HA_ERR_KEY_NOT_FOUND; the event’s master log mysql-bin.000014, end_log_pos 1708 解决问题的办法:根据报错信息,我们可以获取到报错日志和position号,然后就能...
selectFIND_IN_SET('Marydon','123,321,MARYDON') 2024-05-23 10:02:55 7.拓展 模糊查询,计算某字符在字符串中的位置并按出现的位置进行排序。 SELECT*, LOCATE('a', my_column)ASpositionFROMmy_tableWHEREmy_columnLIKE'%a%'ORDERBYposition; ...
secondary_engine_attribute() : dd::Column, dd::Column_impl, dd::Index, dd::Index_impl, dd::Table, dd::Table_impl secondary_engine_execution_context() : LEX secondary_engine_optimization() : THD secondary_engine_statement_context() : THD secondary_overflow() : anonymous_namespace{composite...
ALTER TABLE 表名 ADD COLUMN 字段名 字段类型 DEFAULT NULL COMMENT '字段注释' AFTER 字段B名(在这个字段后面插入); 1. 2:根据查询结果的某个字段值,按指定分隔符分割成多行 select a.字段A, substring_index(substring_index(a.字段A, ',', b.help_topic_id + 1), ',', -1) as course ...
6.2 Table.select() Syntax Diagram 6.3 Table.update() Syntax Diagram 6.4 Table.delete() Syntax Diagram 9.1 Result Classes 11.1 Session 11.2 SqlExecute 11.3 SQLPlaceholderValues 11.4 SQLPlaceholderName 11.5 SQLLiteral 11.6 Schema 11.7 Collection 11.8 Table 11.9 CollectionFindFunction ...