Results for “mariadb”

Reference for MariaDB control-flow functions and operators, including IF(), IFNULL(), NULLIF(), COALESCE(), CASE, NVL2(), and DECODE_ORACLE, with guidance on correct usage and common pitfalls.

Best practices for MariaDB system-versioned (temporal) tables, covering creation, querying historical data, managing history growth, and handling ALTER TABLE operations.

Explains MariaDB-specific CREATE INDEX and DROP INDEX syntax, including mapping to ALTER TABLE, prefix lengths for TEXT/BLOB, lack of expression indexes, real descending indexes, IGNORED indexes, and index kinds. Use when writing or reviewing index statements for MariaDB.

Documents MariaDB-specific ALTER TABLE syntax and behavior, including online DDL algorithms, lock modes, lock timeouts, idempotent subclauses, system versioning, and partition operations, for writing and reviewing schema migrations.

Reference for MariaDB's built-in encryption, hashing, and compression functions, covering AES_ENCRYPT/DECRYPT, SHA2, KDF, COMPRESS, and related functions, with guidance on correct usage and common pitfalls.

Documents MariaDB-specific INSERT syntax and behavior, including RETURNING, ON DUPLICATE KEY UPDATE, INSERT IGNORE, and various forms and modifiers, to help write and review INSERT statements.

Documents MariaDB-specific CREATE PROCEDURE syntax, including OR REPLACE/IF NOT EXISTS exclusivity, DEFINER and SQL SECURITY behavior, parameter modes, DEFAULT values, advisory characteristics, privilege requirements, and the client-side DELIMITER convention.

Provides MariaDB-specific syntax and behavior for CREATE, ALTER, and DROP DATABASE statements, including OR REPLACE vs IF NOT EXISTS, charset and collation defaults, and the absence of RENAME DATABASE.

Covers MariaDB-specific behavior of the Connector/C++ sql:: API, including driver and connection setup, 1-based indexes, placeholder syntax, ResultSet iteration, raw pointer ownership, SQLString, autocommit, and exception handling.

Explains MariaDB explicit table locking (LOCK TABLES/UNLOCK TABLES) and named user-level locks (GET_LOCK family), covering alias traps, implicit commits, and multi-lock semantics for writing or reviewing locking code.

Reference for MariaDB's vector functions and VECTOR data type, covering VEC_Distance, VEC_Distance_Euclidean, VEC_Distance_Cosine, VEC_FromText, VEC_ToText, and MHNSW vector index usage for SQL queries over embeddings.

Reference for MariaDB numeric and math functions, covering rounding, division, powers, logs, trigonometry, randomness, base conversion, checksums, and formatting, with guidance on exact-vs-approximate types and division-by-zero behavior.

Reference for MariaDB's built-in date and time functions, covering current time, arithmetic, differences, extraction, parsing, formatting, Unix time, time-zone conversion, construction, and Oracle-compatible helpers, with guidance on version-specific behavior and common pitfalls.

Scaffold a MariaDB Schema Management (MSM) project and author the initial schema in the development folder, creating the project with msm.create_project and writing the first version's tables, objects, and grants into the MSM sections of <schema>_next.sql.

Reference for MariaDB information functions, covering session and server metadata such as LAST_INSERT_ID, ROW_COUNT, FOUND_ROWS, USER, and VERSION, with usage guidance for writing SQL that reads auto-increment IDs, row counts, and connection details.

Browse and inspect MariaDB REST Service objects using read-only SHOW REST and SHOW CREATE REST statements to list services, schemas, views, procedures, functions, content sets, auth apps, roles, grants, and dump DDL for reverse-engineering or auditing.

Explains MariaDB-specific syntax and behavior for LOAD DATA [LOCAL] INFILE and LOAD XML, including LOCAL vs server-side file handling, security and privilege requirements, default tab/newline parsing, duplicate and strict-mode caveats, IGNORE n LINES, user-variable SET transforms, CHARACTER SET clause, and priority.

Provides MySQL and MariaDB schema, query, indexing, transaction, replication, and connection-pool patterns for production backends.

Provides MySQL and MariaDB schema, query, indexing, transaction, replication, and connection-pool patterns for production backends.

Streams MySQL or MariaDB row-level changes into Redpanda or Kafka via the mysql_cdc input, covering binlog setup, snapshots, checkpointing, per-table routing, AWS RDS IAM auth, and Enterprise lakehouse destinations.

MySQL relational database. Covers queries, indexes, and optimization. Use when working with MySQL databases. USE WHEN: user mentions "mysql", "mariadb", asks about "AUTO_INCREMENT", "ON DUPLICATE KEY UPDATE", "GROUP_CONCAT", "mysql specific syntax" DO NOT USE FOR: PostgreSQL - use `postgresql` instead, MongoDB - use `mongodb` instead, Oracle - use `oracle` instead, SQL Server - use `sqlserver` instead