CREATE TABLE db_client (
    oid varchar(36) PRIMARY KEY,
    version int NOT NULL,
    data json NOT NULL
);

CREATE TABLE db_window (
    oid varchar(36) PRIMARY KEY,
    version int NOT NULL,
    data json NOT NULL
);

CREATE TABLE db_workspace (
    oid varchar(36) PRIMARY KEY,
    version int NOT NULL,
    data json NOT NULL
);

CREATE TABLE db_tab (
    oid varchar(36) PRIMARY KEY,
    version int NOT NULL,
    data json NOT NULL
);

CREATE TABLE db_block (
    oid varchar(36) PRIMARY KEY,
    version int NOT NULL,
    data json NOT NULL
);