OceanBase Database supports synchronous logging. In this mode, a worker thread encapsulates the log content and writes the log file at the same time. This not only downgrades the application performance, but also ma
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OceanBase Database
SQL - V4.2.1
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Overview Differences between the Enterprise Edition and the Community Edition System architecture Overview SQL data types Built-in functions System views Compatibility with MySQL Limitations Quick start with OceanBase Database Community Edition Before you begin Basic SQL operations (MySQL mode) Basic SQL operations (Oracle mode) Build a Java application Build a C application Build a Python application Build a Java application Build a C application Build a Go application Try out operational OLAP Try out parallel import and data compression Try out the multi-tenant feature Video tutorials Overview HA deployment solutions for OceanBase clusters Deployment process Overview Deploy OceanBase Database in a Kubernetes cluster Clear an OceanBase cluster Overview Use OMS to migrate data from a MySQL database to a MySQL tenant of OceanBase Database Use mydumper and myloader to migrate data from a MySQL database to OceanBase Database Use DBCAT to migrate schemas from a MySQL database to OceanBase Database Use DataX to migrate table data from a MySQL database to OceanBase Database Use CloudCanal to migrate data from a MySQL database to OceanBase Database Use Canal to synchronize data from a MySQL database to OceanBase Database Use Flink CDC to synchronize data from a MySQL database to OceanBase Database Use ChunJun to migrate data from a MySQL database to OceanBase Database Use OMS to migrate data from a MySQL tenant of OceanBase Database to a MySQL database Use OMS to migrate incremental data from an Oracle tenant of OceanBase Database to a MySQL database Use DBCAT to migrate schemas from OceanBase Database to a MySQL database Use DataX to migrate table data from OceanBase Database to a MySQL database Use Canal to synchronize data from OceanBase Database to a MySQL database Use CloudCanal to migrate data from OceanBase Database to a MySQL database Use Flink CDC to migrate data from OceanBase Database to a MySQL database Use ChunJun to migrate data from OceanBase Database to a MySQL database Use OMS to migrate data from an Oracle database to a MySQL tenant of OceanBase Database Use OMS to migrate data from an Oracle database to an Oracle tenant of OceanBase Database Use DBCAT to migrate schemas from an Oracle database to OceanBase Database Use DataX to migrate table data from an Oracle database to OceanBase Database Use OMS to migrate data from an Oracle tenant of OceanBase Database to an Oracle database Use DBCAT to migrate schemas from OceanBase Database to an Oracle database Use DataX to migrate table data from OceanBase Database to an Oracle database Use OMS to migrate data from a DB2 LUW database to a MySQL tenant of OceanBase Database Use OMS to migrate data from a DB2 LUW database to an Oracle tenant of OceanBase Database Use DBCAT to migrate table schemas from a DB2 LUW database to OceanBase Database Use OMS to migrate data from a MySQL tenant of OceanBase Database to a DB2 LUW database Use OMS to migrate data from an Oracle tenant of OceanBase Database to a DB2 LUW database Use OMS to migrate data from a TiDB database to a MySQL tenant of OceanBase Database Use OMS to migrate data from a PostgreSQL database to a MySQL tenant of OceanBase Database Use DataX to migrate CSV files to OceanBase Database Import data by using the LOAD DATA statement Import data from SQL files to OceanBase Database Use OMS to migrate data from an OceanBase Database tenant to another of the same type Use OMS to migrate data from an OceanBase Database tenant to another of the same type in active-active disaster recovery scenarios Use OBLOADER & OBDUMPER to migrate data between MySQL tenants in OceanBase Database Use OBLOADER & OBDUMPER to migrate data from a MySQL tenant to an Oracle tenant in OceanBase Database Use OBLOADER & OBDUMPER to migrate data between Oracle tenants in OceanBase Database Use OBLOADER & OBDUMPER to migrate data from an Oracle tenant to a MySQL tenant in OceanBase Database Migrate data between tables Migrate resource units Export data by using OUTFILE statements Overview Import data in bypass mode by using the LOAD DATA statement Import data in bypass mode by using the INSERT INTO SELECT statement Log on to an OceanBase Database tenant Overview Cluster parameters Tenant introduction Tenant capacity Tenant types User tenant introduction Tenant system variables Overview Traffic distribution Data distribution High availability overview Flashback queries Overview Introduction to physical backup and restore Deploy NFS Overview Cases Overview Log levels Log stability Log control Log metrics Overview Identify bottlenecks on the data link
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