These are best practices and guide lines to review any SQL program. The example given here is for COBOL.
Category: SQL
3 top SQL Queries really useful to check table exists
SQL queries useful to check if Table exists or not in Oracle database., You can try these queries in SQL developer to know if Table is created by DBA or database administrator.
SQL Index Vs Key real differences to learn now quickly
Index and Key both are different in RDBMS. Take a look all these differences quickly
Stored procedures Vs Functions top differences
Top differences between stored procedures and functions you can read and refresh quickly. Good summary for SQL developers.
Alias in SQL Query why you need it
Giving alias name is not only enough and you also need to know these three rules before you write your SQL query
3 Top things to consider while reviewing the SQL program
Do review your SQL query program before put it into application program with these ideas. Read more.
Multiple nested Vs Correlated sub-query tricky top differences
Multiple nested query and Correlated sub-query both are different. Try to understand these with examples Multiple nested query-A subquery can contain another query, making it
INSERT and SELECT How to Use in Single Query
SQL query use for both INSERT into values and SELECT to save time.
