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

0 vote287 views1 answer
Set open file limit mac catalina mysql
SQL
0 vote287 views1 answer
Sql server union if table exist
SQL
0 vote296 views1 answer
Sql server change schema of a table
SQL
0 vote273 views1 answer
Rows, INSERT INTO, Returning with alias
SQL
0 vote340 views1 answer
Sql query to select even numbers
SQL
0 vote313 views1 answer
Alter domain sql
SQL
0 vote268 views1 answer
How to insert same table data using mysql query
SQL
8 votes298 views1 answer
Oracle create datafile
SQL
0 vote294 views4 answers
Stored procedure sql
SQL
0 vote288 views1 answer
MySQL get all previous date record
SQL