how to select unique records from a table? : Sql dba
How to create a menu in sqlplus or pl/sql?
what is index? : Sql dba
If we have n no of columns in a table, can we add new column in that table with not null constraint?
Can we use more than one null value for unique key?
31 Answers A1 Technology, Wipro,
What is difference between a PROCEDURE & FUNCTION ?
How do you modify a column in sql?
what are tables and fields? : Sql dba
wt is the diff b/w greast and max ,least and min? wt is the diff b/w case and decod?
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What are database links used for?
Why cannot I use bind variables in ddl/scl statements in dynamic sql?
How to use transactions efficiently : transact sql
how to connect oracle in unix prompt?