{
  "name": "optimize_database_query",
  "description": "Analyze and optimize database queries for performance with detailed recommendations",
  "parameters": {
    "type": "object",
    "properties": {
      "sql_query": {
        "type": "string",
        "description": "SQL query to optimize"
      },
      "database_type": {
        "type": "string",
        "enum": ["mysql", "postgresql", "oracle", "sqlserver", "sqlite"],
        "description": "Database management system type"
      },
      "table_schemas": {
        "type": "array",
        "items": {
          "type": "object",
          "properties": {
            "table_name": {"type": "string"},
            "columns": {"type": "array", "items": {"type": "string"}},
            "indexes": {"type": "array", "items": {"type": "string"}},
            "row_count": {"type": "integer"}
          }
        },
        "description": "Schema information for relevant tables"
      },
      "performance_target": {
        "type": "string",
        "enum": ["speed", "memory", "balanced"],
        "description": "Primary optimization goal",
        "default": "balanced"
      },
      "include_execution_plan": {
        "type": "boolean",
        "description": "Generate detailed execution plan analysis",
        "default": true
      },
      "suggest_indexes": {
        "type": "boolean",
        "description": "Recommend new indexes if beneficial",
        "default": true
      }
    },
    "required": ["sql_query", "database_type"]
  },
  "test_questions": [
    "Optimize this MySQL query for speed: 'SELECT * FROM users WHERE created_at > 2023-01-01 ORDER BY name'",
    "Analyze this PostgreSQL query and suggest indexes: 'SELECT u.name, p.title FROM users u JOIN posts p ON u.id = p.user_id WHERE p.status = active'",
    "Help optimize this Oracle query for memory efficiency with execution plan details"
  ]
}