Explore detailed tutorials on Oracle Encoding and Decoding Functions to secure, transform, and interpret data effectively in SQL. Learn to use functions like ENCODE, DECODE, UTL_ENCODE, and UTL_I18N for data encryption, decryption, and format conversions to ensure data integrity.
The VSIZE function in Oracle SQL is a simple utility function that tells you the number of bytes used to store a specific expression. This is different from the LENGTH function, which tells you the number of characters. VSIZE is…
The STANDARD_HASH function in Oracle SQL is a powerful security function. It computes a "hash value" (also known as a "fingerprint" or "checksum") for a given expression. Unlike ORA_HASH, which is used for random sampling, STANDARD_HASH is used for security…
The ORA_HASH function in Oracle SQL is a powerful function used to compute a consistent "hash value" (a number) for any given expression. Its main purpose is to help you divide data into random, evenly distributed groups (or "buckets"). This…
The DUMP function in Oracle SQL is a powerful diagnostic tool. It's not used for normal reporting but is essential for debugging and internal analysis. Its purpose is to show you the "under the hood" details of any value: its…
The DECODE function in Oracle SQL is a powerful and concise way to write conditional logic (like an IF...THEN...ELSE statement) directly within your SQL query. It compares a value to a list of potential matches. If it finds a match,…