What is the SQL command to list all tables in a database?
What is the SQL command to list all columns in a table?
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In doing some keyword search, I found the following command:
select * from SYSIBM.SYSTABLES
The above command seem to also pull all the table names.
What is the difference between SYSIBM.SYSTABLES and SYSCAT.TABLES?
Are there other database types that can use SYSCAT.TABLES?
I'm trying to setup my code so that it can work with IBM UDB, Sybase, and Btrieve.
Do you know if SYSCAT.TABLES will work with Sybase or Btrieve?
the syscat tables are simply the views which are based on the sysibm tables.
DB2 LIST TABLES FOR SCHEMA SYSCAT will show you which views are available, they cover the entire range of the database, every object, package, plan, dependancy, relation can be found in these views.
When you say will the sycat tables work with sybase or Btrieve, what exactly do you mean?
to list all tables use
public static String[] getDatabases(){
databasess = new String[2000];
int teller = 1;
try{
String qry = "Select SYSTEM_TABLE_SCHEMA, SYSTEM_TABLE_NAME, ROW_LENGTH";
qry = qry + " from QSYS2.SYSTABLES where SYSTEM_TABLE_SCHEMA like 'VDR%'";
print(qry);
//print(resultSet.toString
resultSet = statement.executeQuery(qry
while (resultSet.next()) {
String library = resultSet.getString("SYSTE
String table = resultSet.getString("SYSTE
int records = resultSet.getInt("ROW_LENG
System.out.println(library
databasess[teller] = library;
print("");
teller++;
}
}
catch (SQLException cnfex) {dbError(cnfex,"ShowDataba
return databasess;
}
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by: ghp7000Posted on 2005-03-17 at 07:06:13ID: 13565499
from db2 command prompt:
db2 list tables for schema <schema name>
or
all table information is stored in syscat.tables view
db2 select * from syscat.tables where tabschema=<schema name> or simply
db2 select * from syscat.tables order by tabschema, tabname
similarly, allcolumn information is stored in syscat.columns
db2 select * from syscat.columns where tabname=<table name>