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

4 votes362 views2 answers
Postgresql default value
SQL
0 vote332 views1 answer
Minecraft duping allowed servers
SQL
0 vote340 views1 answer
Postgres where
SQL
5 votes329 views3 answers
Sql make column nullable
SQL
3 votes332 views1 answer
Delete all content in table mysql
SQL
0 vote356 views1 answer
QCompleter con sql
SQL
2 votes358 views1 answer
Sql update from different table
SQL
0 vote323 views1 answer
Check if a word appears at the end sql query
SQL
0 vote346 views1 answer
R rmysql connect local database Plugin caching_sha2_password could not be loaded
SQL
0 vote371 views2 answers
Create row number in sql
SQL