Three simple steps
How to use this tool?
This free online converter translates COBOL source code into SQL in three simple steps.
- Step 1
Add your COBOL code
Type, paste, or upload the COBOL code you want to translate.
- Step 2
Convert the code
Click Convert to translate the source code into SQL.
- Step 3
Review the result
Review, copy, or download the resulting SQL code from the output editor.
See it in action
Examples of COBOL to SQL conversion
These examples show COBOL source code and the corresponding SQL translation. Generated results can vary as AI models are updated.
Example 1
Is String Palindrome
Program that checks if a string is a palindrome or not.
COBOL code
SQL code
Example 2
Even or Odd
A well commented function to check if a number if odd or even.
COBOL code
SQL code
Language comparison
Key differences between COBOL and SQL
| Characteristic | COBOL | SQL |
|---|---|---|
| Syntax | Verbose and English-like syntax, designed for readability. | Declarative syntax focused on data manipulation and retrieval. |
| Paradigm | Procedural and object-oriented programming. | Declarative programming for database queries. |
| Typing | Strongly typed with explicit data types. | Dynamically typed with implicit data type handling. |
| Performance | Optimized for batch processing and transaction processing. | Performance depends on database optimization and indexing. |
| Libraries and frameworks | Limited modern libraries, primarily for legacy systems. | Rich ecosystem of libraries and frameworks for various databases. |
| Community and support | Smaller community, primarily focused on legacy systems. | Large community with extensive resources and support. |
| Learning curve | Steeper learning curve due to its verbose syntax and structure. | Generally easier to learn, especially for basic queries. |
Common questions
Frequently Asked Questions
How do I convert COBOL to SQL?
Paste your COBOL code into the input box, confirm the languages are set to COBOL and SQL, and click Convert. CodeConvert AI analyzes your COBOL code and generates equivalent SQL code in seconds, preserving the original logic and structure.
What are the main differences between COBOL and SQL?
COBOL and SQL differ in syntax, type system, standard libraries, and common idioms, so copying code line for line usually will not compile. The converter maps each COBOL construct to its closest SQL equivalent. See the comparison table below for the key differences between COBOL and SQL.
Is the converted SQL code accurate?
The AI produces high-quality SQL code that preserves the behavior of your original COBOL code and follows SQL conventions. It handles common patterns, data structures, and idioms for both COBOL and SQL. For large or performance-critical code, review and test the SQL output before using it in production.
Can I convert an entire COBOL project to SQL?
You can convert COBOL files one at a time by pasting each file's code. For a full migration, convert each file and then review how classes, dependencies, and project structure map from COBOL to SQL. Signing in for free raises the input limit to 25,000 characters per conversion for larger files.
Can I convert SQL back to COBOL?
Yes. CodeConvert AI converts in both directions, so you can convert SQL to COBOL just as easily using our SQL to COBOL converter. Try the SQL to COBOL Converter
Is the COBOL to SQL converter free, and do I need to install anything?
Yes, it is free and runs in your browser with nothing to install and no IDE extension required. You can convert COBOL to SQL without an account for up to 2 conversions per day. Sign in for free for higher limits.
What are the benefits of signing in?
Signing in unlocks CodeConvert AI's Pro converter with more powerful AI models, a built-in chat assistant, code execution, saved conversion history, and personal notes. Every free account includes 5 credits and supports up to 25,000 characters of input per conversion, with no credit card required.
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