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

8 votes259 views1 answer
Import java math
Java
0 vote226 views1 answer
Jtable get get row
Java
0 vote248 views1 answer
AmazonS3ClientBuilder
Java
0 vote200 views1 answer
Do while loop java char
Java
0 vote228 views1 answer
Imageview height based on screen size
Java
0 vote438 views1 answer
Java Regex 2 - Duplicate Words in java
Java
0 vote247 views1 answer
Binary to octal conversion java program
Java
-1 vote260 views1 answer
Look and feel java
Java
3 votes259 views1 answer
How to initialize bigdecimal in java
Java
3 votes247 views2 answers
Random text generator in java
Java