imple‐ mentation can be replaced by pluggable way. It includes query optimizer, distributed transaction en‐ gine, distributed execution engine, authority engine and scheduling engine. L2 Feature Layer Used alt_agg3(int) OWNER TO regress_alter_generic_user2; CREATE CONVERSION alt_conv1 FOR ‘LATIN1’TO ‘UTF8’FROM iso8859_1_to_utf8; CREATE FOREIGN DATA WRAPPER alt_fdw1 CREATE SERVER alt_fserv1 FOREIGN DATA WRAPPER alt_agg3(int) OWNER TO regress_alter_generic_user2; CREATE CONVERSION alt_conv1 FOR ‘LATIN1’TO ‘UTF8’FROM iso8859_1_to_utf8; CREATE FOREIGN DATA WRAPPER alt_fdw1 CREATE SERVER alt_fserv1 FOREIGN DATA WRAPPER

imple‐ mentation can be replaced by pluggable way. It includes query optimizer, distributed transaction en‐ gine, distributed execution engine, authority engine and scheduling engine. L2 Feature Layer Used alt_agg3(int) OWNER TO regress_alter_generic_user2; CREATE CONVERSION alt_conv1 FOR ‘LATIN1’TO ‘UTF8’FROM iso8859_1_to_utf8; CREATE FOREIGN DATA WRAPPER alt_fdw1 CREATE SERVER alt_fserv1 FOREIGN DATA WRAPPER alt_agg3(int) OWNER TO regress_alter_generic_user2; CREATE CONVERSION alt_conv1 FOR ‘LATIN1’TO ‘UTF8’FROM iso8859_1_to_utf8; CREATE FOREIGN DATA WRAPPER alt_fdw1 CREATE SERVER alt_fserv1 FOREIGN DATA WRAPPER

Y e s Type of job execution, the value options are NORMAL_TRIGGER, MIS- FIRE, FAILOVER. s har din g_i tem VA RC HA R( 25 5) Y e s Collection of sharding item, multiple sharding items are separated

capabilities across data sources, simpli‐ fying the data aggregation from different data locations. Da ta En cr yp ti on Data Encryption is a basic way to ensure data security. ShardingSphere provides a com‐ please refer to the built-in sharding algorithm: https:// shardingsphere.apache.org/document/current/en/user-manual/common-config/builtin- algorithm/sharding/ 9.1. ShardingSphere-JDBC 83 Apache ShardingSphere please refer to the built-in encryption algorithm: https:// shardingsphere.apache.org/document/current/en/user-manual/common-config/builtin- algorithm/encrypt/ type: xxx props: xxx: xxx Read/Write Splitting

capabilities across data sources, simpli‐ fying the data aggregation from different data locations. Da ta En cr yp ti on Data Encryption is a basic way to ensure data security. ShardingSphere provides a com‐ please refer to the built-in sharding algorithm: https:// shardingsphere.apache.org/document/current/en/user-manual/common-config/builtin- algorithm/sharding/ type: xxx props: xxx: xxx Encryption encryptors: please refer to the built-in encryption algorithm: https:// shardingsphere.apache.org/document/current/en/user-manual/common-config/builtin- algorithm/encrypt/ type: xxx props: xxx: xxx 9.1. ShardingSphere-JDBC

analyzing complex data across data sources, simplifying and improving the data usage experience. Data En‐ cryp‐ tion Data Encryption is a basic way to ensure data security. ShardingSphere provides a set please refer to the built-in sharding algorithm: https:// shardingsphere.apache.org/document/current/en/user-manual/common-config/builtin- algorithm/sharding/ type: xxx props: xxx: xxx Encryption encryptors: please refer to the built-in encryption algorithm: https:// shardingsphere.apache.org/document/current/en/user-manual/common-config/builtin- algorithm/encrypt/ type: xxx props: xxx: xxx 4.1. ShardingSphere-JDBC

capabilities across data sources, simpli‐ fying the data aggregation from different data locations. Data En‐ cryp‐ tion Data Encryption is a basic way to ensure data security. ShardingSphere provides a com‐ please refer to the built-in sharding algorithm: https:// shardingsphere.apache.org/document/current/en/user-manual/common-config/builtin- algorithm/sharding/ type: xxx props: xxx: xxx Encryption encryptors: please refer to the built-in encryption algorithm: https:// shardingsphere.apache.org/document/current/en/user-manual/common-config/builtin- algorithm/encrypt/ type: xxx props: xxx: xxx 4.1. ShardingSphere-JDBC

3307 ## MySQL connector Configuration ## ref: https://shardingsphere.apache.org/document/current/en/quick-start/ 9.2. ShardingSphere-Proxy 141 Apache ShardingSphere document shardingsphere-proxy-quick-start/ port ## ShardingSphere-Proxy start port ## ref: https://shardingsphere.apache.org/document/current/en/user-manual/ shardingsphere-proxy/startup/docker/ ## startPort: 3307 ## @section Compute-Node https://shardingsphere.apache.org/document/current/en/user-manual/ shardingsphere-jdbc/yaml-config/mode/ ## ref: https://shardingsphere.apache.org/document/current/en/user-manual/common- config/builtin-algor

3307 ## MySQL connector Configuration ## ref: https://shardingsphere.apache.org/document/current/en/quick-start/ 9.2. ShardingSphere-Proxy 159 Apache ShardingSphere document shardingsphere-proxy-quick-start/ port ## ShardingSphere-Proxy start port ## ref: https://shardingsphere.apache.org/document/current/en/user-manual/ shardingsphere-proxy/startup/docker/ ## startPort: 3307 ## @section Compute-Node https://shardingsphere.apache.org/document/current/en/user-manual/ shardingsphere-jdbc/yaml-config/mode/ ## ref: https://shardingsphere.apache.org/document/current/en/user-manual/common- config/builtin-algor

alt_agg3(int) OWNER TO regress_alter_generic_user2; CREATE CONVERSION alt_conv1 FOR ‘LATIN1’TO ‘UTF8’FROM iso8859_1_to_utf8; CREATE FOREIGN DATA WRAPPER alt_fdw1 CREATE SERVER alt_fserv1 FOREIGN DATA WRAPPER alt_agg3(int) OWNER TO regress_alter_generic_user2; CREATE CONVERSION alt_conv1 FOR ‘LATIN1’TO ‘UTF8’FROM iso8859_1_to_utf8; CREATE FOREIGN DATA WRAPPER alt_fdw1 CREATE SERVER alt_fserv1 FOREIGN DATA WRAPPER NOT NULL, runoob_test NATIONAL CHAR(40), submission_date DATE, PRIMARY KEY (runoob_id)) EN‐ GINE = InnoDB DEFAULT CHARSET = utf8; INSERT INTO t_order_item(order_id, user_id, status, creation_date)