Here are steps of how to create a procedure in SQL developer and how to call it.
Category: SQL
Here’s a sample Explain plan query to find statistics of the execution plan. Useful for SQL and Data warehousing developers.
Check and Default constraints are both not the same. They create during create Table. Differences between these you can understand with these examples.
Here are top interview questions associated to SQL tables
You can modify Table data with thse SQL queries. Those are Insert, Update, Delete and Merge.
How to choose index columns for a Table. It is tricky. These are ideas to choose correctly.
These SQL queries are helpful to get the current Date and Time. Also, you can use it to get DATE duration.
Here is a SQL subquery example to update a Table. It’s the neat way when you have data to fetch from two tables.
Sample SQL Query to Join three tables with WHERE clause. It is Tricky SQL query helpful for interviews.
Here are SQL queries to use the SUBSTRING function along with LOCATE function. LOCATE gives position, and SUBSTRING uses that for the start position.
DB2 popular set operators you can use to filter data from multiple tables. These are useful for your interview and your current project as well.
Cast function the real purpose is to convert data types. This post tells you best examples, rules, and how to use in Data analytics.
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