The DB2 TRIM function removes bytes from the beginning, from the end, or from both the beginning and end of…
DB2 VARCHAR data type is used to store a string with variable-length characters but a maximum of the string length…
In the DB2 database, while structuring tables, data types must be assigned to each and every field. The DB2 datatypes…
DB2 COPY PENDING (COPY) restrictive status indicates that the affected object must be copied. Causes of COPY PENDING status If…
The LOAD utility places a tablespace in DB2 CHECK PENDING (CHKP) status if its referential integrity is in doubt or…
SQL Subqueries with IN or NOT IN check is similar to the ANY and SOME checks. Use the IN clause for multiple-record,…
SQL Subqueries are also called inner queries or inner select or a nested queries. The statement containing the subquery is…
Comparison operators (=, >, < , etc.) are used only on subqueries that return one row. SQL Subqueries with ANY and ALL operators, you can…
The JOIN operation allows you to combine rows from two or more tables based on a related column. OUTER JOIN…
There are four basic types of JOINS – Inner, Outer (left, right, full), Self and Cross join. An inner join…