获取database所有table名: (参考:http://stackoverflow.com/questions/2780284/how-to-get-all-table-names-from-a-database ) DatabaseMetaData md =conn.getMetaData(); ResultSet rs= md.getTables(null,null, "%",null);while(rs.next()) { System.out.println(rs.getString(3)); } 原理:Column3i...
tableName= resultSet.getString(3); log.info("Table Name = " +tableName); } resultSet.close();//--- LISTING DATABASE COLUMN NAMES ---DatabaseMetaData meta =conn.getMetaData(); resultSet= meta.getColumns(databaseName,null, tableName, "%");while(resultSet.next()) { log.info("Colum...
String[]types= {"TABLE"}; resultSet=conn.getMetaData().getTables(databaseName,null,"%",types); StringtableName=""; while(resultSet.next()) { tableName=resultSet.getString(3); PAY_TYPE.put(tableName,newArrayList()); } resultSet.close(); // --- LISTING DATABASE COLUMN NAMES --- ...
table_name, column_name columnName, data_type dataType, column_comment columnComment FROM information_schema. COLUMNS WHERE table_namein( 't_sol_task', 't_sol_r_order', 't_sol_order' ) ANDtable_schema=(SELECTDATABASE()) ORDERBY table_name 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. ...
Hello, I'm trying to get column names from a mySql database table in a single column with the columns names. I have a script working in dbVizualizer: - 848313
其中,database_name是数据库的名称,table_name是表的名称。通过修改这两个参数,可以获取到不同表的字段名。 下面是一个示例代码,使用Python来执行SQL语句并获取字段名: importMySQLdbdefget_column_names(database_name,table_name):# 连接数据库conn=MySQLdb.connect(host='localhost',user='root',passwd='passwor...
("SELECT * FROM mytable")) { ResultSetMetaData metaData = rs.getMetaData(); int columnCount = metaData.getColumnCount(); for (int i = 1; i <= columnCount; i++) { String columnName = metaData.getColumnName(i); System.out.println("Column " + i + ": " + columnName); } } ...
查询一个表中的所有字段的信息 SHOW COLUMNS FROM tablename; 查询表中键名和类型 select column_name,data_type from information_schema.columns where table_schema='database_name' and table_name='table_name' 查询表格sql创建语句 SHOW CREATE TABLE table_name; ...
Reading table information for completion of table and column names You can turn off this feature to get a quicker startup with -A 登录的时候加上-A参数 mysql -uroot –p123456 -A 修改表名称alter: 语法:alter table 表名rename 新表名; ...
Is there a fast way of getting all COLUMN NAMES from all tables in MySQL, without having to list all the tables? SQL to get all information for each column select * from information_schema.columns where table_schema = 'your_db' order by table_name,ordinal_position SQL to get all COL...