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

5 votes304 views2 answers
Create table
SQL
13 votes332 views5 answers
Select last row mysql
SQL
0 vote331 views2 answers
The metadata storage is not up to date, please run the sync-metadata-storage command to fix this issue.
SQL
7 votes346 views2 answers
Mysql get year from date
SQL
0 vote325 views1 answer
Sql select most frequent value in group
SQL
2 votes312 views1 answer
Mysql list users on ubuntu
SQL
0 vote440 views2 answers
Https://cloud.google.com/shell/docs/using-web-preview#previewing_the_application
SQL
2 votes357 views2 answers
Mysqli_real_connect(): The server requested authentication method unknown to the client [caching_sha2_password]
SQL
16 votes339 views3 answers
Delete row psql
SQL
13 votes365 views3 answers
Insert mysql ifile nto database
SQL