Get columns number sql

Get number of columns sql

SELECT TABLE_NAME , count(COLUMN_NAME)
FROM information_schema.columns
GROUP BY TABLE_NAME;

-- Oracle (depending on schema grants):
SELECT count(*) FROM USER_TAB_COLS WHERE TABLE_NAME = 'my_table';
SELECT count(*) FROM ALL_TAB_COLS WHERE TABLE_NAME = 'my_table';
SELECT count(*) FROM DBA_TAB_COLS WHERE TABLE_NAME = 'my_table';

Get columns number sql

//With JAVA

String quer="SELECT * FROM sample2 where 1=2";

Statement st=con.createStatement();
ResultSet rs=st.executeQuery(quer);
ResultSetMetaData rsmd = rs.getMetaData();
int NumOfCol=0;
NumOfCol=rsmd.getColumnCount();
System.out.println("Query Executed!! No of Colm="+NumOfCol);

Source: stackoverflow.com

Similar codes

17 votes145 views3 answers
Postgresql list users
SQL
1 vote127 views1 answer
How to delete a record from sqlite in android
SQL
8 votes143 views1 answer
Oracle add datafile to tablespace
SQL
0 vote147 views1 answer
Sqlite3 not commit
SQL
0 vote125 views1 answer
Check duplicate values plsql
SQL
2 votes150 views1 answer
Removing view
SQL
0 vote146 views1 answer
Vbscript clean up ADODB.Recordset
SQL
14 votes139 views2 answers
Install mysqldump
SQL
0 vote114 views1 answer
Mysql sleep connections
SQL
1 vote136 views2 answers
Extract weekday from date in sql
SQL