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. ...
# 查询information_schema获取列名defget_column_names(table_name):conn=connect_to_database()cursor=conn.cursor()# 构造SQL语句sql=f"SELECT COLUMN_NAME FROM information_schema.COLUMNS WHERE TABLE_NAME = '{table_name}'"# 执行SQL语句cursor.execute(sql)# 获取结果result=cursor.fetchall()# 提取列名co...
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
I need a query where i can get column1 and column3 I saw a post where it was given. SELECT column_name FROM information_schema.columns WHERE table_name='abc'; fromhttp://forums.mysql.com/read.php?51,158277,158277#msg-158277 but how do i add the = 1 clause using this ...
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("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); } } ...
> a way I can display WHICH field or column names the query did or did not match on? USE test; DROP TABLE IF EXISTS foo; CREATE TABLE foo ( id INT NOT NULL AUTO_INCREMENT PRIMARY KEY, field1 CHAR(20), field2 CHAR(20) ); ...