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 vote153 views1 answer
Bigrock database connection string
SQL
5 votes103 views1 answer
Oracle ora-00054 causes
SQL
0 vote108 views2 answers
Pl sql auto increment
SQL
0 vote102 views1 answer
Search from comma separated values in sql server
SQL
0 vote121 views1 answer
Mysql subtract month from timestamp
SQL
2 votes104 views1 answer
How to check if a row is null in sql
SQL
6 votes129 views6 answers
Rename column postgres
SQL
4 votes119 views3 answers
Drop Table Oracle
SQL
12 votes108 views2 answers
Delete all entries postgres
SQL
0 vote106 views1 answer
Sql select by content lenght
SQL