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 vote138 views1 answer
Mysqldump ignore table
SQL
-1 vote168 views4 answers
Postgres between dates
SQL
10 votes169 views4 answers
Fetch first 5 characters of the string in sql
SQL
0 vote158 views1 answer
Postgresql function ROUND
SQL
0 vote128 views1 answer
Difference between cross apply and inner join
SQL
-1 vote178 views3 answers
Error: mysql shutdown unexpectedly.
SQL
0 vote149 views1 answer
How to query without duplicate rows in sql
SQL
17 votes151 views3 answers
How to change a collumn name in sql
SQL
1 vote147 views2 answers
Get table column names sql laravel
SQL
0 vote199 views2 answers
Mysql cast to varchar
SQL