What is the meaning of case when in SQL?
CASE WHEN takes in values, checks them against a condition and THEN outputs values into a new column based on if it satisfies the condition. Note: CASE WHEN statements will always output new values to a new column which is different than “if then” which can replace values in the same column. Lees verder »
What does case when do in SQL?
CASE WHEN takes in values, checks them against a condition and THEN outputs values into a new column based on if it satisfies the condition. Note: CASE WHEN statements will always output new values to a new column which is different than “if then” which can replace values in the same column. Lees verder »
What is meant by case in SQL?
Clauses are in-built functions available to us in SQL. With the help of clauses, we can deal with data easily stored in the table. Clauses help us filter and analyze data quickly. When we have large amounts of data stored in the database, we use Clauses to query and get data required by the user. Lees verder »
When to use if and when to use case?
'If' is about things we'll do later, if something else happens. 'In' case' is about things we do now, so we're ready for something that might happen in the future. So 'in case' is useful for talking about precautions, when we try to avoid problems in the future. Lees verder »
- How to concat two values?
- Does SQL query automatically eliminate duplicates?
- How to use extractvalue in Oracle?
- How to fix ora 01489 result of string concatenation is too long?
- How to fetch more than 1000 records in SQL?
- What is the purpose of using dbms_output put_line in a pl SQL block?
- How to solve ora 01861 literal does not match format string?
- How to get dd mm yyyy format in Oracle?